old-cross-binutils/gdb/thread.c

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/* Multi-process/thread control for GDB, the GNU debugger.
2002-01-17 22:15:18 +00:00
2007-01-09 17:59:20 +00:00
Copyright (C) 1986, 1987, 1988, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001, 2002, 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
2002-01-17 22:15:18 +00:00
2001-03-06 08:22:02 +00:00
Contributed by Lynx Real-Time Systems, Inc. Los Gatos, CA.
1999-07-07 20:19:36 +00:00
This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
1999-07-07 20:19:36 +00:00
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "symtab.h"
#include "frame.h"
#include "inferior.h"
#include "environ.h"
#include "value.h"
#include "target.h"
#include "gdbthread.h"
#include "exceptions.h"
#include "command.h"
#include "gdbcmd.h"
#include "regcache.h"
#include "gdb.h"
#include "gdb_string.h"
#include <ctype.h>
#include <sys/types.h>
#include <signal.h>
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#include "ui-out.h"
#include "observer.h"
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#include "annotate.h"
Non-stop inferior control. * infrun.c (resume): In non-stop mode, always resume just one thread. (proceed): Don't call prepare_to_proceed in non-stop mode. (fetch_inferior_event): In non-stop mode, switch context before handling the event. (error_is_running, ensure_not_running): New. (handle_inferior_event): In non-stop mode: Mark only the event thread as stopped. Require that the target module manages adding threads to the thread list. Assert that there isn't a deferred_step_ptid set. Don't switch to infwait_thread_hop_state. (normal_stop): Only mark not-running if inferior hasn't exited. In non-stop mode, only mark the event thread. * thread.c:Include "cli/cli-decode.h". (print_thread_info): Don't read from a running thread. Output "(running)" if thread is running. (switch_to_thread): Don't read stop_pc if thread is executing. (do_restore_current_thread_cleanup): Don't write to a running thread. (thread_apply_all_command): Don't read from a running thread. In non-stop mode, do a full context-switch instead of just switching threads. (thread_apply_command): In non-stop mode, do a full context-switch instead of just switching threads. (do_captured_thread_select): Likewise. Inform user if selected thread is running. (_initialize_thread): Mark "info threads" and "thread" and async_ok. * inf-loop.c (inferior_event_handler): In non-stop mode, don't unregister the target from the event loop. * infcmd.c (continue_command, step_1, jump_command) (signal_command): Ensure the selected thread isn't running. (interrupt_target_command): In non-stop mode, interrupt only the selected thread. * inferior.h (error_is_running, ensure_not_running): Declare. * target.h (struct target_ops): Add ptid argument to the to_stop member. (target_stop): Add ptid_t argument. * target.c (update_current_target): Add ptid argument to to_stop's type. (debug_to_stop): Add ptid_t argument. (debug_to_rcmd): Set to_stop_ptid. * remote.c (remote_stop): Add ptid_t argument. (async_remote_interrupt): Add inferior_ptid to target_stop. * inf-ptrace.c (inf_ptrace_stop): Add ptid argument. * Makefile.in (thread.o): Depend on $(cli_decode_h).
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#include "cli/cli-decode.h"
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/* Definition of struct thread_info exported to gdbthread.h */
/* Prototypes for exported functions. */
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void _initialize_thread (void);
/* Prototypes for local functions. */
static struct thread_info *thread_list = NULL;
static int highest_thread_num;
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static void thread_command (char *tidstr, int from_tty);
static void thread_apply_all_command (char *, int);
static int thread_alive (struct thread_info *);
static void info_threads_command (char *, int);
static void thread_apply_command (char *, int);
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static void restore_current_thread (ptid_t);
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static void prune_threads (void);
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
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/* Frontend view of the thread state. Possible extensions: stepping,
finishing, until(ling),... */
enum thread_state
{
THREAD_STOPPED,
THREAD_RUNNING,
THREAD_EXITED,
};
static enum thread_state main_thread_state = THREAD_STOPPED;
Add "executing" property to threads. * inferior.h (target_executing): Delete. * gdbthread.h (struct thread_info): Add executing_ field. (set_executing, is_executing): New. * thread.c (main_thread_executing): New. (init_thread_list): Clear it and also main_thread_running. (is_running): Return false if target has no execution. (any_running, is_executing, set_executing): New. * top.c: Include "gdbthread.h". (target_executing): Delete. (execute_command): Replace target_executing check by any_running. * event-top.c: Include "gdbthread.h". (display_gdb_prompt, command_handler): Replace target_executing by is_running. * inf-loop.c: Include "gdbthread.h". Don't mark as not executing here. Replace target_executing by is_running. * infrun.c (handle_inferior_event): Mark all threads as not-executing. * linux-nat.c (linux_nat_resume): Don't mark thread as executing here. * stack.c (get_selected_block): Return null if inferior is executing. * target.c (target_resume): Mark resumed ptid as executing. * breakpoint.c (until_break_command): Replace target_executing check by is_executing. * remote.c (remote_async_resume): Don't mark inferior as executing here. * mi/mi-interp.c (mi_cmd_interpreter_exec): Replace target_executing by any_running. * mi/mi-main.c (mi_cmd_exec_interrupt, mi_cmd_execute) (mi_execute_async_cli_command): Replace target_executing by is_running. * frame.c (get_current_frame): Error out if the current thread is executing. (has_stack_frames): New. (get_selected_frame, deprecated_safe_get_selected_frame): Check has_stack_frames. * Makefile.in (event-top.o, frame.o, inf-loop.o, top.o): Depend on $(gdbthread_h).
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static int main_thread_executing = 0;
Remove context switching in favour of accessing thread_info fields directly. * infrun.c (stepping_over_breakpoint, step_resume_breakpoint): Delete. (struct thread_stepping_state): Delete. (gtss, tss): Delete. (follow_inferior_reset_breakpoints, follow_exec) (resume, clear_proceed_status): Adjust. (prev_pc): Delete. (proceed, start_remote, init_wait_for_inferior): Adjust. (struct execution_control_state): Add event_thread member. (delete_step_resume_breakpoint_callback) (delete_step_thread_step_resume_breakpoint) (delete_step_thread_step_resume_breakpoint_cleanup) (delete_step_thread_step_resume_breakpoint): New. (wait_for_inferior, init_execution_control_state): Use delete_step_thread_step_resume_breakpoint_cleanup. (wait_for_inferior): Set the event_thread. (fetch_inferior_event): Ditto. Delete the step-resume breakpoint with delete_step_thread_step_resume_breakpoint. (init_thread_stepping_state): Change parameter type to thread_info. Adjust. (context_switch): Don't context switch prev_pc, stepping_over_breakpoint, step_resume_breakpoint, step_range_start, step_range_end, step_frame_id, tss->stepping_over_breakpoint, tss->stepping_through_solib_after_catch, tss->stepping_through_solib_catchpoints, tss->current_line, or tss->current_symtab. (adjust_pc_after_break, handle_inferior_event) (currently_stepping, step_into_function) (insert_step_resume_breakpoint_at_sal) (insert_longjmp_resume_breakpoint, keep_going): Adjust. (clear_stepping_state): New. (normal_stop): Adjust. (save_inferior_status, restore_inferior_status): Adjust. * gdbthread.h (struct thread_info): Comments describing the members moved here. Add step_after_step_resume_breakpoint. (delete_step_resume_breakpoint): Add thread_info argument. (save_infrun_state, load_infrun_state): Remove prev_pc, trap_expected, step_resume_breakpoint, step_range_start, step_range_end, step_frame_id, another_trap, stepping_through_solib_after_catch, stepping_through_solib_catchpoints, current_line and current_symtab function arguments. (inferior_thread): Declare. * thread.c (inferior_thread): New. (delete_step_resume_breakpoint): Add a thread_info parameter and rewrite. (load_infrun_state, save_infrun_state): Remove prev_pc, trap_expected, step_resume_breakpoint, step_range_start, step_range_end, step_frame_id, stepping_over_breakpoint, stepping_through_solib_after_catch, stepping_through_solib_catchpoints, current_line and current_symtab args. Remove code referencing them. * infcmd.c (step_range_start, step_range_end, step_frame_id): Delete. (step_1, step_once, until_next_command): Adjust. * inferior.h (step_range_start, step_range_end, step_frame_id): Delete. * linux-nat.c (linux_child_follow_fork): If following the child, move the step state to it. Adjust. * inf-ptrace.c (inf_ptrace_follow_fork): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork): Ditto.
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extern struct thread_info*
inferior_thread (void)
{
Remove context switching in favour of accessing thread_info fields directly. * infrun.c (stepping_over_breakpoint, step_resume_breakpoint): Delete. (struct thread_stepping_state): Delete. (gtss, tss): Delete. (follow_inferior_reset_breakpoints, follow_exec) (resume, clear_proceed_status): Adjust. (prev_pc): Delete. (proceed, start_remote, init_wait_for_inferior): Adjust. (struct execution_control_state): Add event_thread member. (delete_step_resume_breakpoint_callback) (delete_step_thread_step_resume_breakpoint) (delete_step_thread_step_resume_breakpoint_cleanup) (delete_step_thread_step_resume_breakpoint): New. (wait_for_inferior, init_execution_control_state): Use delete_step_thread_step_resume_breakpoint_cleanup. (wait_for_inferior): Set the event_thread. (fetch_inferior_event): Ditto. Delete the step-resume breakpoint with delete_step_thread_step_resume_breakpoint. (init_thread_stepping_state): Change parameter type to thread_info. Adjust. (context_switch): Don't context switch prev_pc, stepping_over_breakpoint, step_resume_breakpoint, step_range_start, step_range_end, step_frame_id, tss->stepping_over_breakpoint, tss->stepping_through_solib_after_catch, tss->stepping_through_solib_catchpoints, tss->current_line, or tss->current_symtab. (adjust_pc_after_break, handle_inferior_event) (currently_stepping, step_into_function) (insert_step_resume_breakpoint_at_sal) (insert_longjmp_resume_breakpoint, keep_going): Adjust. (clear_stepping_state): New. (normal_stop): Adjust. (save_inferior_status, restore_inferior_status): Adjust. * gdbthread.h (struct thread_info): Comments describing the members moved here. Add step_after_step_resume_breakpoint. (delete_step_resume_breakpoint): Add thread_info argument. (save_infrun_state, load_infrun_state): Remove prev_pc, trap_expected, step_resume_breakpoint, step_range_start, step_range_end, step_frame_id, another_trap, stepping_through_solib_after_catch, stepping_through_solib_catchpoints, current_line and current_symtab function arguments. (inferior_thread): Declare. * thread.c (inferior_thread): New. (delete_step_resume_breakpoint): Add a thread_info parameter and rewrite. (load_infrun_state, save_infrun_state): Remove prev_pc, trap_expected, step_resume_breakpoint, step_range_start, step_range_end, step_frame_id, stepping_over_breakpoint, stepping_through_solib_after_catch, stepping_through_solib_catchpoints, current_line and current_symtab args. Remove code referencing them. * infcmd.c (step_range_start, step_range_end, step_frame_id): Delete. (step_1, step_once, until_next_command): Adjust. * inferior.h (step_range_start, step_range_end, step_frame_id): Delete. * linux-nat.c (linux_child_follow_fork): If following the child, move the step state to it. Adjust. * inf-ptrace.c (inf_ptrace_follow_fork): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork): Ditto.
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struct thread_info *tp = find_thread_pid (inferior_ptid);
gdb_assert (tp);
return tp;
}
Remove context switching in favour of accessing thread_info fields directly. * infrun.c (stepping_over_breakpoint, step_resume_breakpoint): Delete. (struct thread_stepping_state): Delete. (gtss, tss): Delete. (follow_inferior_reset_breakpoints, follow_exec) (resume, clear_proceed_status): Adjust. (prev_pc): Delete. (proceed, start_remote, init_wait_for_inferior): Adjust. (struct execution_control_state): Add event_thread member. (delete_step_resume_breakpoint_callback) (delete_step_thread_step_resume_breakpoint) (delete_step_thread_step_resume_breakpoint_cleanup) (delete_step_thread_step_resume_breakpoint): New. (wait_for_inferior, init_execution_control_state): Use delete_step_thread_step_resume_breakpoint_cleanup. (wait_for_inferior): Set the event_thread. (fetch_inferior_event): Ditto. Delete the step-resume breakpoint with delete_step_thread_step_resume_breakpoint. (init_thread_stepping_state): Change parameter type to thread_info. Adjust. (context_switch): Don't context switch prev_pc, stepping_over_breakpoint, step_resume_breakpoint, step_range_start, step_range_end, step_frame_id, tss->stepping_over_breakpoint, tss->stepping_through_solib_after_catch, tss->stepping_through_solib_catchpoints, tss->current_line, or tss->current_symtab. (adjust_pc_after_break, handle_inferior_event) (currently_stepping, step_into_function) (insert_step_resume_breakpoint_at_sal) (insert_longjmp_resume_breakpoint, keep_going): Adjust. (clear_stepping_state): New. (normal_stop): Adjust. (save_inferior_status, restore_inferior_status): Adjust. * gdbthread.h (struct thread_info): Comments describing the members moved here. Add step_after_step_resume_breakpoint. (delete_step_resume_breakpoint): Add thread_info argument. (save_infrun_state, load_infrun_state): Remove prev_pc, trap_expected, step_resume_breakpoint, step_range_start, step_range_end, step_frame_id, another_trap, stepping_through_solib_after_catch, stepping_through_solib_catchpoints, current_line and current_symtab function arguments. (inferior_thread): Declare. * thread.c (inferior_thread): New. (delete_step_resume_breakpoint): Add a thread_info parameter and rewrite. (load_infrun_state, save_infrun_state): Remove prev_pc, trap_expected, step_resume_breakpoint, step_range_start, step_range_end, step_frame_id, stepping_over_breakpoint, stepping_through_solib_after_catch, stepping_through_solib_catchpoints, current_line and current_symtab args. Remove code referencing them. * infcmd.c (step_range_start, step_range_end, step_frame_id): Delete. (step_1, step_once, until_next_command): Adjust. * inferior.h (step_range_start, step_range_end, step_frame_id): Delete. * linux-nat.c (linux_child_follow_fork): If following the child, move the step state to it. Adjust. * inf-ptrace.c (inf_ptrace_follow_fork): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork): Ditto.
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void
delete_step_resume_breakpoint (struct thread_info *tp)
{
if (tp && tp->step_resume_breakpoint)
{
Remove context switching in favour of accessing thread_info fields directly. * infrun.c (stepping_over_breakpoint, step_resume_breakpoint): Delete. (struct thread_stepping_state): Delete. (gtss, tss): Delete. (follow_inferior_reset_breakpoints, follow_exec) (resume, clear_proceed_status): Adjust. (prev_pc): Delete. (proceed, start_remote, init_wait_for_inferior): Adjust. (struct execution_control_state): Add event_thread member. (delete_step_resume_breakpoint_callback) (delete_step_thread_step_resume_breakpoint) (delete_step_thread_step_resume_breakpoint_cleanup) (delete_step_thread_step_resume_breakpoint): New. (wait_for_inferior, init_execution_control_state): Use delete_step_thread_step_resume_breakpoint_cleanup. (wait_for_inferior): Set the event_thread. (fetch_inferior_event): Ditto. Delete the step-resume breakpoint with delete_step_thread_step_resume_breakpoint. (init_thread_stepping_state): Change parameter type to thread_info. Adjust. (context_switch): Don't context switch prev_pc, stepping_over_breakpoint, step_resume_breakpoint, step_range_start, step_range_end, step_frame_id, tss->stepping_over_breakpoint, tss->stepping_through_solib_after_catch, tss->stepping_through_solib_catchpoints, tss->current_line, or tss->current_symtab. (adjust_pc_after_break, handle_inferior_event) (currently_stepping, step_into_function) (insert_step_resume_breakpoint_at_sal) (insert_longjmp_resume_breakpoint, keep_going): Adjust. (clear_stepping_state): New. (normal_stop): Adjust. (save_inferior_status, restore_inferior_status): Adjust. * gdbthread.h (struct thread_info): Comments describing the members moved here. Add step_after_step_resume_breakpoint. (delete_step_resume_breakpoint): Add thread_info argument. (save_infrun_state, load_infrun_state): Remove prev_pc, trap_expected, step_resume_breakpoint, step_range_start, step_range_end, step_frame_id, another_trap, stepping_through_solib_after_catch, stepping_through_solib_catchpoints, current_line and current_symtab function arguments. (inferior_thread): Declare. * thread.c (inferior_thread): New. (delete_step_resume_breakpoint): Add a thread_info parameter and rewrite. (load_infrun_state, save_infrun_state): Remove prev_pc, trap_expected, step_resume_breakpoint, step_range_start, step_range_end, step_frame_id, stepping_over_breakpoint, stepping_through_solib_after_catch, stepping_through_solib_catchpoints, current_line and current_symtab args. Remove code referencing them. * infcmd.c (step_range_start, step_range_end, step_frame_id): Delete. (step_1, step_once, until_next_command): Adjust. * inferior.h (step_range_start, step_range_end, step_frame_id): Delete. * linux-nat.c (linux_child_follow_fork): If following the child, move the step state to it. Adjust. * inf-ptrace.c (inf_ptrace_follow_fork): Ditto. * inf-ttrace.c (inf_ttrace_follow_fork): Ditto.
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delete_breakpoint (tp->step_resume_breakpoint);
tp->step_resume_breakpoint = NULL;
}
}
static void
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
clear_thread_inferior_resources (struct thread_info *tp)
{
/* NOTE: this will take care of any left-over step_resume breakpoints,
but not any user-specified thread-specific breakpoints. We can not
delete the breakpoint straight-off, because the inferior might not
be stopped at the moment. */
if (tp->step_resume_breakpoint)
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
{
tp->step_resume_breakpoint->disposition = disp_del_at_next_stop;
tp->step_resume_breakpoint = NULL;
}
Per-thread commands. * gdbthread.h: Remove unneeded forward declarations. Include "inferior.h". (struct thread_info): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi and stop_signal members. (save_infrun_state): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat parameters. (load_infrun_state): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat parameters. * thread.c (load_infrun_state): In non-stop mode, load continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi and stop_signal. (save_infrun_state): Store continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (save_infrun_state): Store continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (free_thread): Clear The thread's stop_bpstat. * inferior.h (context_switch_to): Declare. * infrun.c (ecss): New global. (context_switch): Context switch continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (wait_for_inferior): Use global ecss. (async_ecss, async_ecs): Delete. (fetch_inferior_event): Use global ecss. (context_switch_to): New. * top.c (execute_command): In non-stop, only check if the current thread is running, in all-stop, check if there's any thread running. * breakpoint.c (bpstat_remove_breakpoint): New. (bpstat_remove_breakpoint_callback): New. (delete_breakpoint): Clear the stop_bpstats of all threads. * mi/mi-main.c (mi_cmd_execute): In non-stop, only check if the current thread is running, in all-stop, check if there's any thread running. * Makefile.in (gdbthread_h): Depend on $(inferior_h).
2008-07-09 22:30:46 +00:00
bpstat_clear (&tp->stop_bpstat);
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
}
static void
free_thread (struct thread_info *tp)
{
clear_thread_inferior_resources (tp);
Per-thread commands. * gdbthread.h: Remove unneeded forward declarations. Include "inferior.h". (struct thread_info): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi and stop_signal members. (save_infrun_state): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat parameters. (load_infrun_state): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat parameters. * thread.c (load_infrun_state): In non-stop mode, load continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi and stop_signal. (save_infrun_state): Store continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (save_infrun_state): Store continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (free_thread): Clear The thread's stop_bpstat. * inferior.h (context_switch_to): Declare. * infrun.c (ecss): New global. (context_switch): Context switch continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (wait_for_inferior): Use global ecss. (async_ecss, async_ecs): Delete. (fetch_inferior_event): Use global ecss. (context_switch_to): New. * top.c (execute_command): In non-stop, only check if the current thread is running, in all-stop, check if there's any thread running. * breakpoint.c (bpstat_remove_breakpoint): New. (bpstat_remove_breakpoint_callback): New. (delete_breakpoint): Clear the stop_bpstats of all threads. * mi/mi-main.c (mi_cmd_execute): In non-stop, only check if the current thread is running, in all-stop, check if there's any thread running. * Makefile.in (gdbthread_h): Depend on $(inferior_h).
2008-07-09 22:30:46 +00:00
/* FIXME: do I ever need to call the back-end to give it a
chance at this private data before deleting the thread? */
if (tp->private)
2000-12-15 01:01:51 +00:00
xfree (tp->private);
2000-12-15 01:01:51 +00:00
xfree (tp);
}
void
2000-07-30 01:48:28 +00:00
init_thread_list (void)
{
struct thread_info *tp, *tpnext;
highest_thread_num = 0;
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
main_thread_state = THREAD_STOPPED;
Add "executing" property to threads. * inferior.h (target_executing): Delete. * gdbthread.h (struct thread_info): Add executing_ field. (set_executing, is_executing): New. * thread.c (main_thread_executing): New. (init_thread_list): Clear it and also main_thread_running. (is_running): Return false if target has no execution. (any_running, is_executing, set_executing): New. * top.c: Include "gdbthread.h". (target_executing): Delete. (execute_command): Replace target_executing check by any_running. * event-top.c: Include "gdbthread.h". (display_gdb_prompt, command_handler): Replace target_executing by is_running. * inf-loop.c: Include "gdbthread.h". Don't mark as not executing here. Replace target_executing by is_running. * infrun.c (handle_inferior_event): Mark all threads as not-executing. * linux-nat.c (linux_nat_resume): Don't mark thread as executing here. * stack.c (get_selected_block): Return null if inferior is executing. * target.c (target_resume): Mark resumed ptid as executing. * breakpoint.c (until_break_command): Replace target_executing check by is_executing. * remote.c (remote_async_resume): Don't mark inferior as executing here. * mi/mi-interp.c (mi_cmd_interpreter_exec): Replace target_executing by any_running. * mi/mi-main.c (mi_cmd_exec_interrupt, mi_cmd_execute) (mi_execute_async_cli_command): Replace target_executing by is_running. * frame.c (get_current_frame): Error out if the current thread is executing. (has_stack_frames): New. (get_selected_frame, deprecated_safe_get_selected_frame): Check has_stack_frames. * Makefile.in (event-top.o, frame.o, inf-loop.o, top.o): Depend on $(gdbthread_h).
2008-07-09 22:16:15 +00:00
main_thread_executing = 0;
if (!thread_list)
return;
for (tp = thread_list; tp; tp = tpnext)
{
tpnext = tp->next;
free_thread (tp);
}
thread_list = NULL;
}
2000-01-11 03:07:37 +00:00
struct thread_info *
add_thread_silent (ptid_t ptid)
{
struct thread_info *tp;
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
tp = find_thread_pid (ptid);
if (tp)
/* Found an old thread with the same id. It has to be dead,
otherwise we wouldn't be adding a new thread with the same id.
The OS is reusing this id --- delete it, and recreate a new
one. */
{
/* In addition to deleting the thread, if this is the current
thread, then we need to also get rid of the current infrun
context, and take care that delete_thread doesn't really
delete the thread if it is inferior_ptid. Create a new
template thread in the list with an invalid ptid, context
switch to it, delete the original thread, reset the new
thread's ptid, and switch to it. */
if (ptid_equal (inferior_ptid, ptid))
{
tp = xmalloc (sizeof (*tp));
memset (tp, 0, sizeof (*tp));
tp->ptid = minus_one_ptid;
tp->num = ++highest_thread_num;
tp->next = thread_list;
thread_list = tp;
context_switch_to (minus_one_ptid);
/* Now we can delete it. */
delete_thread (ptid);
/* Since the context is already set to this new thread,
reset its ptid, and reswitch inferior_ptid to it. */
tp->ptid = ptid;
switch_to_thread (ptid);
observer_notify_new_thread (tp);
/* All done. */
return tp;
}
else
/* Just go ahead and delete it. */
delete_thread (ptid);
}
tp = (struct thread_info *) xmalloc (sizeof (*tp));
memset (tp, 0, sizeof (*tp));
2001-05-04 04:15:33 +00:00
tp->ptid = ptid;
tp->num = ++highest_thread_num;
tp->next = thread_list;
thread_list = tp;
observer_notify_new_thread (tp);
2000-01-11 03:07:37 +00:00
return tp;
}
struct thread_info *
2008-03-21 Daniel Jacobowitz <dan@codesourcery.com> * gdbthread.h (add_thread_with_info): New. * linux-thread-db.c: Add some documentation. (GET_LWP, GET_PID, GET_THREAD, is_lwp, is_thread, BUILD_LWP): Delete. (struct private_thread_info): Remove th_valid and ti_valid. Replace ti with tid. (thread_get_info_callback): Do not add TID to the new ptid. Do not cache th or ti. (thread_db_map_id2thr, lwp_from_thread): Delete functions. (thread_from_lwp): Assert that the LWP is set. Do not add TID to the new PTID. (attach_thread): Handle an already-existing thread. Use add_thread_with_info. Cache the th and tid. (detach_thread): Verify that private was set. Remove verbose argument and printing. Update caller. (thread_db_detach): Do not adjust inferior_ptid. (clear_lwpid_callback, thread_db_resume, thread_db_kill): Delete. (check_event, find_new_threads_callback): Do not add TID to the new PTID. (thread_db_wait): Do not use lwp_from_thread. (thread_db_pid_to_str): Use the cached TID. (thread_db_extra_thread_info): Check that private is set. (same_ptid_callback): Delete. (thread_db_get_thread_local_address): Do not use it or check is_thread. Check that private is set. Assume that the thread handle is already cached. (init_thread_db_ops): Remove to_resume and to_kill. * thread.c (add_thread_with_info): New. (add_thread): Use it. * linux-nat.c (find_thread_from_lwp): Delete. (exit_lwp): Do not use it. Check print_thread_events. Print before deleting the thread. (GET_PID, GET_LWP, BUILD_LWP, is_lwp): Move to... * linux-nat.h (GET_PID, GET_LWP, BUILD_LWP, is_lwp): ...here. * inf-ttrace.c (inf_ttrace_wait): Use print_thread_events and printf_unfiltered for thread exits. * procfs.c (procfs_wait): Likewise. 2008-03-21 Pedro Alves <pedro@codesourcery.com> * gdb.threads/fork-child-threads.exp: Test next over fork.
2008-03-21 15:44:53 +00:00
add_thread_with_info (ptid_t ptid, struct private_thread_info *private)
{
struct thread_info *result = add_thread_silent (ptid);
2008-03-21 Daniel Jacobowitz <dan@codesourcery.com> * gdbthread.h (add_thread_with_info): New. * linux-thread-db.c: Add some documentation. (GET_LWP, GET_PID, GET_THREAD, is_lwp, is_thread, BUILD_LWP): Delete. (struct private_thread_info): Remove th_valid and ti_valid. Replace ti with tid. (thread_get_info_callback): Do not add TID to the new ptid. Do not cache th or ti. (thread_db_map_id2thr, lwp_from_thread): Delete functions. (thread_from_lwp): Assert that the LWP is set. Do not add TID to the new PTID. (attach_thread): Handle an already-existing thread. Use add_thread_with_info. Cache the th and tid. (detach_thread): Verify that private was set. Remove verbose argument and printing. Update caller. (thread_db_detach): Do not adjust inferior_ptid. (clear_lwpid_callback, thread_db_resume, thread_db_kill): Delete. (check_event, find_new_threads_callback): Do not add TID to the new PTID. (thread_db_wait): Do not use lwp_from_thread. (thread_db_pid_to_str): Use the cached TID. (thread_db_extra_thread_info): Check that private is set. (same_ptid_callback): Delete. (thread_db_get_thread_local_address): Do not use it or check is_thread. Check that private is set. Assume that the thread handle is already cached. (init_thread_db_ops): Remove to_resume and to_kill. * thread.c (add_thread_with_info): New. (add_thread): Use it. * linux-nat.c (find_thread_from_lwp): Delete. (exit_lwp): Do not use it. Check print_thread_events. Print before deleting the thread. (GET_PID, GET_LWP, BUILD_LWP, is_lwp): Move to... * linux-nat.h (GET_PID, GET_LWP, BUILD_LWP, is_lwp): ...here. * inf-ttrace.c (inf_ttrace_wait): Use print_thread_events and printf_unfiltered for thread exits. * procfs.c (procfs_wait): Likewise. 2008-03-21 Pedro Alves <pedro@codesourcery.com> * gdb.threads/fork-child-threads.exp: Test next over fork.
2008-03-21 15:44:53 +00:00
result->private = private;
if (print_thread_events)
printf_unfiltered (_("[New %s]\n"), target_pid_to_str (ptid));
2008-05-20 21:05:07 +00:00
annotate_new_thread ();
return result;
}
2008-03-21 Daniel Jacobowitz <dan@codesourcery.com> * gdbthread.h (add_thread_with_info): New. * linux-thread-db.c: Add some documentation. (GET_LWP, GET_PID, GET_THREAD, is_lwp, is_thread, BUILD_LWP): Delete. (struct private_thread_info): Remove th_valid and ti_valid. Replace ti with tid. (thread_get_info_callback): Do not add TID to the new ptid. Do not cache th or ti. (thread_db_map_id2thr, lwp_from_thread): Delete functions. (thread_from_lwp): Assert that the LWP is set. Do not add TID to the new PTID. (attach_thread): Handle an already-existing thread. Use add_thread_with_info. Cache the th and tid. (detach_thread): Verify that private was set. Remove verbose argument and printing. Update caller. (thread_db_detach): Do not adjust inferior_ptid. (clear_lwpid_callback, thread_db_resume, thread_db_kill): Delete. (check_event, find_new_threads_callback): Do not add TID to the new PTID. (thread_db_wait): Do not use lwp_from_thread. (thread_db_pid_to_str): Use the cached TID. (thread_db_extra_thread_info): Check that private is set. (same_ptid_callback): Delete. (thread_db_get_thread_local_address): Do not use it or check is_thread. Check that private is set. Assume that the thread handle is already cached. (init_thread_db_ops): Remove to_resume and to_kill. * thread.c (add_thread_with_info): New. (add_thread): Use it. * linux-nat.c (find_thread_from_lwp): Delete. (exit_lwp): Do not use it. Check print_thread_events. Print before deleting the thread. (GET_PID, GET_LWP, BUILD_LWP, is_lwp): Move to... * linux-nat.h (GET_PID, GET_LWP, BUILD_LWP, is_lwp): ...here. * inf-ttrace.c (inf_ttrace_wait): Use print_thread_events and printf_unfiltered for thread exits. * procfs.c (procfs_wait): Likewise. 2008-03-21 Pedro Alves <pedro@codesourcery.com> * gdb.threads/fork-child-threads.exp: Test next over fork.
2008-03-21 15:44:53 +00:00
struct thread_info *
add_thread (ptid_t ptid)
{
return add_thread_with_info (ptid, NULL);
}
/* Delete thread PTID. If SILENT, don't notify the observer of this
exit. */
static void
delete_thread_1 (ptid_t ptid, int silent)
{
struct thread_info *tp, *tpprev;
tpprev = NULL;
for (tp = thread_list; tp; tpprev = tp, tp = tp->next)
2001-05-04 04:15:33 +00:00
if (ptid_equal (tp->ptid, ptid))
break;
if (!tp)
return;
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
/* If this is the current thread, or there's code out there that
relies on it existing (refcount > 0) we can't delete yet. Mark
it as exited, and notify it. */
if (tp->refcount > 0
|| ptid_equal (tp->ptid, inferior_ptid))
{
if (tp->state_ != THREAD_EXITED)
{
if (!silent)
observer_notify_thread_exit (tp);
/* Tag it as exited. */
tp->state_ = THREAD_EXITED;
/* Clear breakpoints, etc. associated with this thread. */
clear_thread_inferior_resources (tp);
}
/* Will be really deleted some other time. */
return;
}
if (tpprev)
tpprev->next = tp->next;
else
thread_list = tp->next;
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
/* Notify thread exit, but only if we haven't already. */
if (!silent && tp->state_ != THREAD_EXITED)
observer_notify_thread_exit (tp);
free_thread (tp);
}
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
/* Delete thread PTID and notify of thread exit. If this is
inferior_ptid, don't actually delete it, but tag it as exited and
do the notification. If PTID is the user selected thread, clear
it. */
void
delete_thread (ptid_t ptid)
{
delete_thread_1 (ptid, 0 /* not silent */);
}
void
delete_thread_silent (ptid_t ptid)
{
delete_thread_1 (ptid, 1 /* silent */);
}
struct thread_info *
2000-07-30 01:48:28 +00:00
find_thread_id (int num)
{
struct thread_info *tp;
for (tp = thread_list; tp; tp = tp->next)
if (tp->num == num)
return tp;
return NULL;
}
2001-05-04 04:15:33 +00:00
/* Find a thread_info by matching PTID. */
2000-01-11 03:07:37 +00:00
struct thread_info *
2001-05-04 04:15:33 +00:00
find_thread_pid (ptid_t ptid)
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{
struct thread_info *tp;
for (tp = thread_list; tp; tp = tp->next)
2001-05-04 04:15:33 +00:00
if (ptid_equal (tp->ptid, ptid))
2000-01-11 03:07:37 +00:00
return tp;
return NULL;
}
/*
* Thread iterator function.
*
* Calls a callback function once for each thread, so long as
* the callback function returns false. If the callback function
* returns true, the iteration will end and the current thread
* will be returned. This can be useful for implementing a
* search for a thread with arbitrary attributes, or for applying
* some operation to every thread.
*
* FIXME: some of the existing functionality, such as
* "Thread apply all", might be rewritten using this functionality.
*/
struct thread_info *
2000-10-28 22:15:09 +00:00
iterate_over_threads (int (*callback) (struct thread_info *, void *),
void *data)
2000-01-11 03:07:37 +00:00
{
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
struct thread_info *tp, *next;
2000-01-11 03:07:37 +00:00
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
for (tp = thread_list; tp; tp = next)
{
next = tp->next;
if ((*callback) (tp, data))
return tp;
}
2000-01-11 03:07:37 +00:00
return NULL;
}
int
thread_count (void)
{
int result = 0;
struct thread_info *tp;
for (tp = thread_list; tp; tp = tp->next)
++result;
return result;
}
int
2000-07-30 01:48:28 +00:00
valid_thread_id (int num)
{
struct thread_info *tp;
for (tp = thread_list; tp; tp = tp->next)
if (tp->num == num)
return 1;
return 0;
}
int
2001-05-04 04:15:33 +00:00
pid_to_thread_id (ptid_t ptid)
{
struct thread_info *tp;
for (tp = thread_list; tp; tp = tp->next)
2001-05-04 04:15:33 +00:00
if (ptid_equal (tp->ptid, ptid))
return tp->num;
return 0;
}
2001-05-04 04:15:33 +00:00
ptid_t
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thread_id_to_pid (int num)
{
struct thread_info *thread = find_thread_id (num);
if (thread)
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return thread->ptid;
else
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return pid_to_ptid (-1);
}
int
2001-05-04 04:15:33 +00:00
in_thread_list (ptid_t ptid)
{
struct thread_info *tp;
for (tp = thread_list; tp; tp = tp->next)
2001-05-04 04:15:33 +00:00
if (ptid_equal (tp->ptid, ptid))
return 1;
return 0; /* Never heard of 'im */
}
2002-01-17 22:15:18 +00:00
2000-02-03 04:14:45 +00:00
/* Print a list of thread ids currently known, and the total number of
threads. To be used from within catch_errors. */
static int
do_captured_list_thread_ids (struct ui_out *uiout, void *arg)
2000-02-03 04:14:45 +00:00
{
struct thread_info *tp;
int num = 0;
struct cleanup *cleanup_chain;
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prune_threads ();
target_find_new_threads ();
cleanup_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "thread-ids");
2000-02-03 04:14:45 +00:00
for (tp = thread_list; tp; tp = tp->next)
{
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
if (tp->state_ == THREAD_EXITED)
continue;
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num++;
ui_out_field_int (uiout, "thread-id", tp->num);
}
do_cleanups (cleanup_chain);
2000-02-03 04:14:45 +00:00
ui_out_field_int (uiout, "number-of-threads", num);
return GDB_RC_OK;
}
/* Official gdblib interface function to get a list of thread ids and
the total number. */
enum gdb_rc
gdb_list_thread_ids (struct ui_out *uiout, char **error_message)
2000-02-03 04:14:45 +00:00
{
if (catch_exceptions_with_msg (uiout, do_captured_list_thread_ids, NULL,
error_message, RETURN_MASK_ALL) < 0)
return GDB_RC_FAIL;
return GDB_RC_OK;
2000-02-03 04:14:45 +00:00
}
/* Load infrun state for the thread PID. */
1999-07-07 20:19:36 +00:00
void
load_infrun_state (ptid_t ptid,
Per-thread commands. * gdbthread.h: Remove unneeded forward declarations. Include "inferior.h". (struct thread_info): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi and stop_signal members. (save_infrun_state): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat parameters. (load_infrun_state): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat parameters. * thread.c (load_infrun_state): In non-stop mode, load continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi and stop_signal. (save_infrun_state): Store continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (save_infrun_state): Store continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (free_thread): Clear The thread's stop_bpstat. * inferior.h (context_switch_to): Declare. * infrun.c (ecss): New global. (context_switch): Context switch continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (wait_for_inferior): Use global ecss. (async_ecss, async_ecs): Delete. (fetch_inferior_event): Use global ecss. (context_switch_to): New. * top.c (execute_command): In non-stop, only check if the current thread is running, in all-stop, check if there's any thread running. * breakpoint.c (bpstat_remove_breakpoint): New. (bpstat_remove_breakpoint_callback): New. (delete_breakpoint): Clear the stop_bpstats of all threads. * mi/mi-main.c (mi_cmd_execute): In non-stop, only check if the current thread is running, in all-stop, check if there's any thread running. * Makefile.in (gdbthread_h): Depend on $(inferior_h).
2008-07-09 22:30:46 +00:00
struct continuation **continuations,
struct continuation **intermediate_continuations,
int *proceed_to_finish,
int *stop_step,
int *step_multi,
enum target_signal *stop_signal,
bpstat *stop_bpstat)
{
struct thread_info *tp;
/* If we can't find the thread, then we're debugging a single threaded
process. No need to do anything in that case. */
2001-05-04 04:15:33 +00:00
tp = find_thread_id (pid_to_thread_id (ptid));
if (tp == NULL)
return;
Per-thread commands. * gdbthread.h: Remove unneeded forward declarations. Include "inferior.h". (struct thread_info): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi and stop_signal members. (save_infrun_state): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat parameters. (load_infrun_state): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat parameters. * thread.c (load_infrun_state): In non-stop mode, load continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi and stop_signal. (save_infrun_state): Store continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (save_infrun_state): Store continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (free_thread): Clear The thread's stop_bpstat. * inferior.h (context_switch_to): Declare. * infrun.c (ecss): New global. (context_switch): Context switch continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (wait_for_inferior): Use global ecss. (async_ecss, async_ecs): Delete. (fetch_inferior_event): Use global ecss. (context_switch_to): New. * top.c (execute_command): In non-stop, only check if the current thread is running, in all-stop, check if there's any thread running. * breakpoint.c (bpstat_remove_breakpoint): New. (bpstat_remove_breakpoint_callback): New. (delete_breakpoint): Clear the stop_bpstats of all threads. * mi/mi-main.c (mi_cmd_execute): In non-stop, only check if the current thread is running, in all-stop, check if there's any thread running. * Makefile.in (gdbthread_h): Depend on $(inferior_h).
2008-07-09 22:30:46 +00:00
/* In all-stop mode, these are global state, while in non-stop mode,
they are per thread. */
if (non_stop)
{
*continuations = tp->continuations;
tp->continuations = NULL;
*intermediate_continuations = tp->intermediate_continuations;
tp->intermediate_continuations = NULL;
*proceed_to_finish = tp->proceed_to_finish;
*stop_step = tp->stop_step;
*step_multi = tp->step_multi;
*stop_signal = tp->stop_signal;
/* Swap instead of copy, so we only have to update one of
them. */
*stop_bpstat = tp->stop_bpstat;
tp->stop_bpstat = 0;
}
}
/* Save infrun state for the thread PID. */
1999-07-07 20:19:36 +00:00
void
save_infrun_state (ptid_t ptid,
Per-thread commands. * gdbthread.h: Remove unneeded forward declarations. Include "inferior.h". (struct thread_info): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi and stop_signal members. (save_infrun_state): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat parameters. (load_infrun_state): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat parameters. * thread.c (load_infrun_state): In non-stop mode, load continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi and stop_signal. (save_infrun_state): Store continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (save_infrun_state): Store continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (free_thread): Clear The thread's stop_bpstat. * inferior.h (context_switch_to): Declare. * infrun.c (ecss): New global. (context_switch): Context switch continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (wait_for_inferior): Use global ecss. (async_ecss, async_ecs): Delete. (fetch_inferior_event): Use global ecss. (context_switch_to): New. * top.c (execute_command): In non-stop, only check if the current thread is running, in all-stop, check if there's any thread running. * breakpoint.c (bpstat_remove_breakpoint): New. (bpstat_remove_breakpoint_callback): New. (delete_breakpoint): Clear the stop_bpstats of all threads. * mi/mi-main.c (mi_cmd_execute): In non-stop, only check if the current thread is running, in all-stop, check if there's any thread running. * Makefile.in (gdbthread_h): Depend on $(inferior_h).
2008-07-09 22:30:46 +00:00
struct continuation *continuations,
struct continuation *intermediate_continuations,
int proceed_to_finish,
int stop_step,
int step_multi,
enum target_signal stop_signal,
bpstat stop_bpstat)
{
struct thread_info *tp;
/* If we can't find the thread, then we're debugging a single-threaded
process. Nothing to do in that case. */
2001-05-04 04:15:33 +00:00
tp = find_thread_id (pid_to_thread_id (ptid));
if (tp == NULL)
return;
Per-thread commands. * gdbthread.h: Remove unneeded forward declarations. Include "inferior.h". (struct thread_info): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi and stop_signal members. (save_infrun_state): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat parameters. (load_infrun_state): Add continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat parameters. * thread.c (load_infrun_state): In non-stop mode, load continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi and stop_signal. (save_infrun_state): Store continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (save_infrun_state): Store continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (free_thread): Clear The thread's stop_bpstat. * inferior.h (context_switch_to): Declare. * infrun.c (ecss): New global. (context_switch): Context switch continuations, intermediate_continuations, proceed_to_finish, step_over_calls, stop_step, step_multi, stop_signal and stop_bpstat. (wait_for_inferior): Use global ecss. (async_ecss, async_ecs): Delete. (fetch_inferior_event): Use global ecss. (context_switch_to): New. * top.c (execute_command): In non-stop, only check if the current thread is running, in all-stop, check if there's any thread running. * breakpoint.c (bpstat_remove_breakpoint): New. (bpstat_remove_breakpoint_callback): New. (delete_breakpoint): Clear the stop_bpstats of all threads. * mi/mi-main.c (mi_cmd_execute): In non-stop, only check if the current thread is running, in all-stop, check if there's any thread running. * Makefile.in (gdbthread_h): Depend on $(inferior_h).
2008-07-09 22:30:46 +00:00
/* In all-stop mode, these are global state, while in non-stop mode,
they are per thread. */
if (non_stop)
{
tp->continuations = continuations;
tp->intermediate_continuations = intermediate_continuations;
tp->proceed_to_finish = proceed_to_finish;
tp->stop_step = stop_step;
tp->step_multi = step_multi;
tp->stop_signal = stop_signal;
tp->stop_bpstat = stop_bpstat;
}
}
/* Return true if TP is an active thread. */
static int
2000-07-30 01:48:28 +00:00
thread_alive (struct thread_info *tp)
{
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
if (tp->state_ == THREAD_EXITED)
return 0;
2001-05-04 04:15:33 +00:00
if (!target_thread_alive (tp->ptid))
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
return 0;
return 1;
}
static void
2000-07-30 01:48:28 +00:00
prune_threads (void)
{
1999-09-09 00:02:17 +00:00
struct thread_info *tp, *next;
for (tp = thread_list; tp; tp = next)
{
next = tp->next;
if (!thread_alive (tp))
2001-05-04 04:15:33 +00:00
delete_thread (tp->ptid);
}
}
void
thread_change_ptid (ptid_t old_ptid, ptid_t new_ptid)
{
struct thread_info * tp = find_thread_pid (old_ptid);
tp->ptid = new_ptid;
observer_notify_thread_ptid_changed (old_ptid, new_ptid);
}
void
set_running (ptid_t ptid, int running)
{
struct thread_info *tp;
if (!thread_list)
{
/* This is one of the targets that does not add main
thread to the thread list. Just use a single
global flag to indicate that a thread is running.
This problem is unique to ST programs. For MT programs,
the main thread is always present in the thread list. If it's
not, the first call to context_switch will mess up GDB internal
state. */
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
if (running
&& main_thread_state != THREAD_RUNNING
&& !suppress_resume_observer)
observer_notify_target_resumed (ptid);
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
main_thread_state = running ? THREAD_RUNNING : THREAD_STOPPED;
return;
}
/* We try not to notify the observer if no thread has actually changed
the running state -- merely to reduce the number of messages to
frontend. Frontend is supposed to handle multiple *running just fine. */
if (PIDGET (ptid) == -1)
{
int any_started = 0;
for (tp = thread_list; tp; tp = tp->next)
{
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
if (tp->state_ == THREAD_EXITED)
continue;
if (running && tp->state_ == THREAD_STOPPED)
any_started = 1;
tp->state_ = running ? THREAD_RUNNING : THREAD_STOPPED;
}
if (any_started && !suppress_resume_observer)
observer_notify_target_resumed (ptid);
}
else
{
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
int started = 0;
tp = find_thread_pid (ptid);
gdb_assert (tp);
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
gdb_assert (tp->state_ != THREAD_EXITED);
if (running && tp->state_ == THREAD_STOPPED)
started = 1;
tp->state_ = running ? THREAD_RUNNING : THREAD_STOPPED;
if (started && !suppress_resume_observer)
observer_notify_target_resumed (ptid);
}
}
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
static int
is_thread_state (ptid_t ptid, enum thread_state state)
{
struct thread_info *tp;
Add "executing" property to threads. * inferior.h (target_executing): Delete. * gdbthread.h (struct thread_info): Add executing_ field. (set_executing, is_executing): New. * thread.c (main_thread_executing): New. (init_thread_list): Clear it and also main_thread_running. (is_running): Return false if target has no execution. (any_running, is_executing, set_executing): New. * top.c: Include "gdbthread.h". (target_executing): Delete. (execute_command): Replace target_executing check by any_running. * event-top.c: Include "gdbthread.h". (display_gdb_prompt, command_handler): Replace target_executing by is_running. * inf-loop.c: Include "gdbthread.h". Don't mark as not executing here. Replace target_executing by is_running. * infrun.c (handle_inferior_event): Mark all threads as not-executing. * linux-nat.c (linux_nat_resume): Don't mark thread as executing here. * stack.c (get_selected_block): Return null if inferior is executing. * target.c (target_resume): Mark resumed ptid as executing. * breakpoint.c (until_break_command): Replace target_executing check by is_executing. * remote.c (remote_async_resume): Don't mark inferior as executing here. * mi/mi-interp.c (mi_cmd_interpreter_exec): Replace target_executing by any_running. * mi/mi-main.c (mi_cmd_exec_interrupt, mi_cmd_execute) (mi_execute_async_cli_command): Replace target_executing by is_running. * frame.c (get_current_frame): Error out if the current thread is executing. (has_stack_frames): New. (get_selected_frame, deprecated_safe_get_selected_frame): Check has_stack_frames. * Makefile.in (event-top.o, frame.o, inf-loop.o, top.o): Depend on $(gdbthread_h).
2008-07-09 22:16:15 +00:00
if (!target_has_execution)
return 0;
if (!thread_list)
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
return main_thread_state == state;
tp = find_thread_pid (ptid);
gdb_assert (tp);
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
return tp->state_ == state;
}
int
is_stopped (ptid_t ptid)
{
/* Without execution, this property is always true. */
if (!target_has_execution)
return 1;
return is_thread_state (ptid, THREAD_STOPPED);
}
int
is_exited (ptid_t ptid)
{
/* Without execution, this property is always false. */
if (!target_has_execution)
return 0;
return is_thread_state (ptid, THREAD_EXITED);
}
int
is_running (ptid_t ptid)
{
/* Without execution, this property is always false. */
if (!target_has_execution)
return 0;
return is_thread_state (ptid, THREAD_RUNNING);
}
Add "executing" property to threads. * inferior.h (target_executing): Delete. * gdbthread.h (struct thread_info): Add executing_ field. (set_executing, is_executing): New. * thread.c (main_thread_executing): New. (init_thread_list): Clear it and also main_thread_running. (is_running): Return false if target has no execution. (any_running, is_executing, set_executing): New. * top.c: Include "gdbthread.h". (target_executing): Delete. (execute_command): Replace target_executing check by any_running. * event-top.c: Include "gdbthread.h". (display_gdb_prompt, command_handler): Replace target_executing by is_running. * inf-loop.c: Include "gdbthread.h". Don't mark as not executing here. Replace target_executing by is_running. * infrun.c (handle_inferior_event): Mark all threads as not-executing. * linux-nat.c (linux_nat_resume): Don't mark thread as executing here. * stack.c (get_selected_block): Return null if inferior is executing. * target.c (target_resume): Mark resumed ptid as executing. * breakpoint.c (until_break_command): Replace target_executing check by is_executing. * remote.c (remote_async_resume): Don't mark inferior as executing here. * mi/mi-interp.c (mi_cmd_interpreter_exec): Replace target_executing by any_running. * mi/mi-main.c (mi_cmd_exec_interrupt, mi_cmd_execute) (mi_execute_async_cli_command): Replace target_executing by is_running. * frame.c (get_current_frame): Error out if the current thread is executing. (has_stack_frames): New. (get_selected_frame, deprecated_safe_get_selected_frame): Check has_stack_frames. * Makefile.in (event-top.o, frame.o, inf-loop.o, top.o): Depend on $(gdbthread_h).
2008-07-09 22:16:15 +00:00
int
any_running (void)
{
struct thread_info *tp;
if (!target_has_execution)
return 0;
if (!thread_list)
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
return main_thread_state == THREAD_RUNNING;
Add "executing" property to threads. * inferior.h (target_executing): Delete. * gdbthread.h (struct thread_info): Add executing_ field. (set_executing, is_executing): New. * thread.c (main_thread_executing): New. (init_thread_list): Clear it and also main_thread_running. (is_running): Return false if target has no execution. (any_running, is_executing, set_executing): New. * top.c: Include "gdbthread.h". (target_executing): Delete. (execute_command): Replace target_executing check by any_running. * event-top.c: Include "gdbthread.h". (display_gdb_prompt, command_handler): Replace target_executing by is_running. * inf-loop.c: Include "gdbthread.h". Don't mark as not executing here. Replace target_executing by is_running. * infrun.c (handle_inferior_event): Mark all threads as not-executing. * linux-nat.c (linux_nat_resume): Don't mark thread as executing here. * stack.c (get_selected_block): Return null if inferior is executing. * target.c (target_resume): Mark resumed ptid as executing. * breakpoint.c (until_break_command): Replace target_executing check by is_executing. * remote.c (remote_async_resume): Don't mark inferior as executing here. * mi/mi-interp.c (mi_cmd_interpreter_exec): Replace target_executing by any_running. * mi/mi-main.c (mi_cmd_exec_interrupt, mi_cmd_execute) (mi_execute_async_cli_command): Replace target_executing by is_running. * frame.c (get_current_frame): Error out if the current thread is executing. (has_stack_frames): New. (get_selected_frame, deprecated_safe_get_selected_frame): Check has_stack_frames. * Makefile.in (event-top.o, frame.o, inf-loop.o, top.o): Depend on $(gdbthread_h).
2008-07-09 22:16:15 +00:00
for (tp = thread_list; tp; tp = tp->next)
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
if (tp->state_ == THREAD_RUNNING)
Add "executing" property to threads. * inferior.h (target_executing): Delete. * gdbthread.h (struct thread_info): Add executing_ field. (set_executing, is_executing): New. * thread.c (main_thread_executing): New. (init_thread_list): Clear it and also main_thread_running. (is_running): Return false if target has no execution. (any_running, is_executing, set_executing): New. * top.c: Include "gdbthread.h". (target_executing): Delete. (execute_command): Replace target_executing check by any_running. * event-top.c: Include "gdbthread.h". (display_gdb_prompt, command_handler): Replace target_executing by is_running. * inf-loop.c: Include "gdbthread.h". Don't mark as not executing here. Replace target_executing by is_running. * infrun.c (handle_inferior_event): Mark all threads as not-executing. * linux-nat.c (linux_nat_resume): Don't mark thread as executing here. * stack.c (get_selected_block): Return null if inferior is executing. * target.c (target_resume): Mark resumed ptid as executing. * breakpoint.c (until_break_command): Replace target_executing check by is_executing. * remote.c (remote_async_resume): Don't mark inferior as executing here. * mi/mi-interp.c (mi_cmd_interpreter_exec): Replace target_executing by any_running. * mi/mi-main.c (mi_cmd_exec_interrupt, mi_cmd_execute) (mi_execute_async_cli_command): Replace target_executing by is_running. * frame.c (get_current_frame): Error out if the current thread is executing. (has_stack_frames): New. (get_selected_frame, deprecated_safe_get_selected_frame): Check has_stack_frames. * Makefile.in (event-top.o, frame.o, inf-loop.o, top.o): Depend on $(gdbthread_h).
2008-07-09 22:16:15 +00:00
return 1;
return 0;
}
int
is_executing (ptid_t ptid)
{
struct thread_info *tp;
if (!target_has_execution)
return 0;
if (!thread_list)
return main_thread_executing;
tp = find_thread_pid (ptid);
gdb_assert (tp);
return tp->executing_;
}
void
set_executing (ptid_t ptid, int executing)
{
struct thread_info *tp;
if (!thread_list)
{
/* This target does not add the main thread to the thread list.
Use a global flag to indicate that the thread is
executing. */
main_thread_executing = executing;
return;
}
if (PIDGET (ptid) == -1)
{
for (tp = thread_list; tp; tp = tp->next)
tp->executing_ = executing;
}
else
{
tp = find_thread_pid (ptid);
gdb_assert (tp);
tp->executing_ = executing;
}
}
/* Prints the list of threads and their details on UIOUT.
This is a version of 'info_thread_command' suitable for
use from MI.
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
If REQUESTED_THREAD is not -1, it's the GDB id of the thread
that should be printed. Otherwise, all threads are
printed. */
void
print_thread_info (struct ui_out *uiout, int requested_thread)
{
struct thread_info *tp;
2001-05-04 04:15:33 +00:00
ptid_t current_ptid;
struct cleanup *old_chain;
2000-01-11 03:07:37 +00:00
char *extra_info;
int current_thread = -1;
prune_threads ();
1999-05-05 14:45:51 +00:00
target_find_new_threads ();
2001-05-04 04:15:33 +00:00
current_ptid = inferior_ptid;
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
/* We'll be switching threads temporarily. */
old_chain = make_cleanup_restore_current_thread ();
make_cleanup_ui_out_list_begin_end (uiout, "threads");
for (tp = thread_list; tp; tp = tp->next)
{
struct cleanup *chain2;
if (requested_thread != -1 && tp->num != requested_thread)
continue;
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
if (ptid_equal (tp->ptid, current_ptid))
current_thread = tp->num;
if (tp->state_ == THREAD_EXITED)
continue;
chain2 = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
2001-05-04 04:15:33 +00:00
if (ptid_equal (tp->ptid, current_ptid))
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
ui_out_text (uiout, "* ");
else
ui_out_text (uiout, " ");
ui_out_field_int (uiout, "id", tp->num);
ui_out_text (uiout, " ");
ui_out_field_string (uiout, "target-id", target_tid_to_str (tp->ptid));
2000-01-11 03:07:37 +00:00
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
if (tp->state_ != THREAD_EXITED)
{
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
extra_info = target_extra_thread_info (tp);
if (extra_info)
{
ui_out_text (uiout, " (");
ui_out_field_string (uiout, "details", extra_info);
ui_out_text (uiout, ")");
}
ui_out_text (uiout, " ");
}
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
if (tp->state_ == THREAD_RUNNING)
Non-stop inferior control. * infrun.c (resume): In non-stop mode, always resume just one thread. (proceed): Don't call prepare_to_proceed in non-stop mode. (fetch_inferior_event): In non-stop mode, switch context before handling the event. (error_is_running, ensure_not_running): New. (handle_inferior_event): In non-stop mode: Mark only the event thread as stopped. Require that the target module manages adding threads to the thread list. Assert that there isn't a deferred_step_ptid set. Don't switch to infwait_thread_hop_state. (normal_stop): Only mark not-running if inferior hasn't exited. In non-stop mode, only mark the event thread. * thread.c:Include "cli/cli-decode.h". (print_thread_info): Don't read from a running thread. Output "(running)" if thread is running. (switch_to_thread): Don't read stop_pc if thread is executing. (do_restore_current_thread_cleanup): Don't write to a running thread. (thread_apply_all_command): Don't read from a running thread. In non-stop mode, do a full context-switch instead of just switching threads. (thread_apply_command): In non-stop mode, do a full context-switch instead of just switching threads. (do_captured_thread_select): Likewise. Inform user if selected thread is running. (_initialize_thread): Mark "info threads" and "thread" and async_ok. * inf-loop.c (inferior_event_handler): In non-stop mode, don't unregister the target from the event loop. * infcmd.c (continue_command, step_1, jump_command) (signal_command): Ensure the selected thread isn't running. (interrupt_target_command): In non-stop mode, interrupt only the selected thread. * inferior.h (error_is_running, ensure_not_running): Declare. * target.h (struct target_ops): Add ptid argument to the to_stop member. (target_stop): Add ptid_t argument. * target.c (update_current_target): Add ptid argument to to_stop's type. (debug_to_stop): Add ptid_t argument. (debug_to_rcmd): Set to_stop_ptid. * remote.c (remote_stop): Add ptid_t argument. (async_remote_interrupt): Add inferior_ptid to target_stop. * inf-ptrace.c (inf_ptrace_stop): Add ptid argument. * Makefile.in (thread.o): Depend on $(cli_decode_h).
2008-07-09 22:42:43 +00:00
ui_out_text (uiout, "(running)\n");
else
{
/* The switch below puts us at the top of the stack (leaf
frame). */
switch_to_thread (tp->ptid);
print_stack_frame (get_selected_frame (NULL),
/* For MI output, print frame level. */
ui_out_is_mi_like_p (uiout),
LOCATION);
}
if (ui_out_is_mi_like_p (uiout))
{
char *state = "stopped";
if (tp->state_ == THREAD_EXITED)
state = "exited";
else if (tp->state_ == THREAD_RUNNING)
state = "running";
ui_out_field_string (uiout, "state", state);
}
do_cleanups (chain2);
}
/* Restores the current thread and the frame selected before
the "info threads" command. */
do_cleanups (old_chain);
if (requested_thread == -1)
{
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
gdb_assert (current_thread != -1
|| !thread_list);
if (current_thread != -1 && ui_out_is_mi_like_p (uiout))
ui_out_field_int (uiout, "current-thread-id", current_thread);
Non-stop inferior control. * infrun.c (resume): In non-stop mode, always resume just one thread. (proceed): Don't call prepare_to_proceed in non-stop mode. (fetch_inferior_event): In non-stop mode, switch context before handling the event. (error_is_running, ensure_not_running): New. (handle_inferior_event): In non-stop mode: Mark only the event thread as stopped. Require that the target module manages adding threads to the thread list. Assert that there isn't a deferred_step_ptid set. Don't switch to infwait_thread_hop_state. (normal_stop): Only mark not-running if inferior hasn't exited. In non-stop mode, only mark the event thread. * thread.c:Include "cli/cli-decode.h". (print_thread_info): Don't read from a running thread. Output "(running)" if thread is running. (switch_to_thread): Don't read stop_pc if thread is executing. (do_restore_current_thread_cleanup): Don't write to a running thread. (thread_apply_all_command): Don't read from a running thread. In non-stop mode, do a full context-switch instead of just switching threads. (thread_apply_command): In non-stop mode, do a full context-switch instead of just switching threads. (do_captured_thread_select): Likewise. Inform user if selected thread is running. (_initialize_thread): Mark "info threads" and "thread" and async_ok. * inf-loop.c (inferior_event_handler): In non-stop mode, don't unregister the target from the event loop. * infcmd.c (continue_command, step_1, jump_command) (signal_command): Ensure the selected thread isn't running. (interrupt_target_command): In non-stop mode, interrupt only the selected thread. * inferior.h (error_is_running, ensure_not_running): Declare. * target.h (struct target_ops): Add ptid argument to the to_stop member. (target_stop): Add ptid_t argument. * target.c (update_current_target): Add ptid argument to to_stop's type. (debug_to_stop): Add ptid_t argument. (debug_to_rcmd): Set to_stop_ptid. * remote.c (remote_stop): Add ptid_t argument. (async_remote_interrupt): Add inferior_ptid to target_stop. * inf-ptrace.c (inf_ptrace_stop): Add ptid argument. * Makefile.in (thread.o): Depend on $(cli_decode_h).
2008-07-09 22:42:43 +00:00
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
if (current_thread != -1 && is_exited (current_ptid))
ui_out_message (uiout, 0, "\n\
The current thread <Thread ID %d> has terminated. See `help thread'.\n",
current_thread);
}
}
/* Print information about currently known threads
* Note: this has the drawback that it _really_ switches
* threads, which frees the frame cache. A no-side
* effects info-threads command would be nicer.
*/
static void
info_threads_command (char *arg, int from_tty)
{
print_thread_info (uiout, -1);
}
/* Switch from one thread to another. */
void
2001-05-04 04:15:33 +00:00
switch_to_thread (ptid_t ptid)
{
2001-05-04 04:15:33 +00:00
if (ptid_equal (ptid, inferior_ptid))
return;
2001-05-04 04:15:33 +00:00
inferior_ptid = ptid;
reinit_frame_cache ();
registers_changed ();
Non-stop inferior control. * infrun.c (resume): In non-stop mode, always resume just one thread. (proceed): Don't call prepare_to_proceed in non-stop mode. (fetch_inferior_event): In non-stop mode, switch context before handling the event. (error_is_running, ensure_not_running): New. (handle_inferior_event): In non-stop mode: Mark only the event thread as stopped. Require that the target module manages adding threads to the thread list. Assert that there isn't a deferred_step_ptid set. Don't switch to infwait_thread_hop_state. (normal_stop): Only mark not-running if inferior hasn't exited. In non-stop mode, only mark the event thread. * thread.c:Include "cli/cli-decode.h". (print_thread_info): Don't read from a running thread. Output "(running)" if thread is running. (switch_to_thread): Don't read stop_pc if thread is executing. (do_restore_current_thread_cleanup): Don't write to a running thread. (thread_apply_all_command): Don't read from a running thread. In non-stop mode, do a full context-switch instead of just switching threads. (thread_apply_command): In non-stop mode, do a full context-switch instead of just switching threads. (do_captured_thread_select): Likewise. Inform user if selected thread is running. (_initialize_thread): Mark "info threads" and "thread" and async_ok. * inf-loop.c (inferior_event_handler): In non-stop mode, don't unregister the target from the event loop. * infcmd.c (continue_command, step_1, jump_command) (signal_command): Ensure the selected thread isn't running. (interrupt_target_command): In non-stop mode, interrupt only the selected thread. * inferior.h (error_is_running, ensure_not_running): Declare. * target.h (struct target_ops): Add ptid argument to the to_stop member. (target_stop): Add ptid_t argument. * target.c (update_current_target): Add ptid argument to to_stop's type. (debug_to_stop): Add ptid_t argument. (debug_to_rcmd): Set to_stop_ptid. * remote.c (remote_stop): Add ptid_t argument. (async_remote_interrupt): Add inferior_ptid to target_stop. * inf-ptrace.c (inf_ptrace_stop): Add ptid argument. * Makefile.in (thread.o): Depend on $(cli_decode_h).
2008-07-09 22:42:43 +00:00
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
/* We don't check for is_stopped, because we're called at times
while in the TARGET_RUNNING state, e.g., while handling an
internal event. */
if (!is_exited (ptid) && !is_executing (ptid))
Non-stop inferior control. * infrun.c (resume): In non-stop mode, always resume just one thread. (proceed): Don't call prepare_to_proceed in non-stop mode. (fetch_inferior_event): In non-stop mode, switch context before handling the event. (error_is_running, ensure_not_running): New. (handle_inferior_event): In non-stop mode: Mark only the event thread as stopped. Require that the target module manages adding threads to the thread list. Assert that there isn't a deferred_step_ptid set. Don't switch to infwait_thread_hop_state. (normal_stop): Only mark not-running if inferior hasn't exited. In non-stop mode, only mark the event thread. * thread.c:Include "cli/cli-decode.h". (print_thread_info): Don't read from a running thread. Output "(running)" if thread is running. (switch_to_thread): Don't read stop_pc if thread is executing. (do_restore_current_thread_cleanup): Don't write to a running thread. (thread_apply_all_command): Don't read from a running thread. In non-stop mode, do a full context-switch instead of just switching threads. (thread_apply_command): In non-stop mode, do a full context-switch instead of just switching threads. (do_captured_thread_select): Likewise. Inform user if selected thread is running. (_initialize_thread): Mark "info threads" and "thread" and async_ok. * inf-loop.c (inferior_event_handler): In non-stop mode, don't unregister the target from the event loop. * infcmd.c (continue_command, step_1, jump_command) (signal_command): Ensure the selected thread isn't running. (interrupt_target_command): In non-stop mode, interrupt only the selected thread. * inferior.h (error_is_running, ensure_not_running): Declare. * target.h (struct target_ops): Add ptid argument to the to_stop member. (target_stop): Add ptid_t argument. * target.c (update_current_target): Add ptid argument to to_stop's type. (debug_to_stop): Add ptid_t argument. (debug_to_rcmd): Set to_stop_ptid. * remote.c (remote_stop): Add ptid_t argument. (async_remote_interrupt): Add inferior_ptid to target_stop. * inf-ptrace.c (inf_ptrace_stop): Add ptid argument. * Makefile.in (thread.o): Depend on $(cli_decode_h).
2008-07-09 22:42:43 +00:00
stop_pc = read_pc ();
else
stop_pc = ~(CORE_ADDR) 0;
}
static void
2001-05-04 04:15:33 +00:00
restore_current_thread (ptid_t ptid)
{
if (!ptid_equal (ptid, inferior_ptid))
{
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
if (non_stop)
context_switch_to (ptid);
else
switch_to_thread (ptid);
}
}
static void
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
restore_selected_frame (struct frame_id a_frame_id, int frame_level)
{
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
struct frame_info *frame = NULL;
int count;
gdb_assert (frame_level >= 0);
/* Restore by level first, check if the frame id is the same as
expected. If that fails, try restoring by frame id. If that
fails, nothing to do, just warn the user. */
count = frame_level;
frame = find_relative_frame (get_current_frame (), &count);
if (count == 0
&& frame != NULL
/* Either the frame ids match, of they're both invalid. The
latter case is not failsafe, but since it's highly unlikely
the search by level finds the wrong frame, it's 99.9(9)% of
the time (for all practical purposes) safe. */
&& (frame_id_eq (get_frame_id (frame), a_frame_id)
/* Note: could be better to check every frame_id
member for equality here. */
|| (!frame_id_p (get_frame_id (frame))
&& !frame_id_p (a_frame_id))))
{
/* Cool, all is fine. */
select_frame (frame);
return;
}
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
frame = frame_find_by_id (a_frame_id);
if (frame != NULL)
{
/* Cool, refound it. */
select_frame (frame);
return;
}
/* Nothing else to do, the frame layout really changed. Select the
innermost stack frame. */
select_frame (get_current_frame ());
/* Warn the user. */
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
if (!ui_out_is_mi_like_p (uiout))
{
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
warning (_("\
Couldn't restore frame #%d in current thread, at reparsed frame #0\n"),
frame_level);
/* For MI, we should probably have a notification about
current frame change. But this error is not very
likely, so don't bother for now. */
print_stack_frame (get_selected_frame (NULL), 1, SRC_LINE);
}
}
struct current_thread_cleanup
{
2001-05-04 04:15:33 +00:00
ptid_t inferior_ptid;
struct frame_id selected_frame_id;
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
int selected_frame_level;
int was_stopped;
};
static void
do_restore_current_thread_cleanup (void *arg)
{
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
struct thread_info *tp;
struct current_thread_cleanup *old = arg;
2001-05-04 04:15:33 +00:00
restore_current_thread (old->inferior_ptid);
Non-stop inferior control. * infrun.c (resume): In non-stop mode, always resume just one thread. (proceed): Don't call prepare_to_proceed in non-stop mode. (fetch_inferior_event): In non-stop mode, switch context before handling the event. (error_is_running, ensure_not_running): New. (handle_inferior_event): In non-stop mode: Mark only the event thread as stopped. Require that the target module manages adding threads to the thread list. Assert that there isn't a deferred_step_ptid set. Don't switch to infwait_thread_hop_state. (normal_stop): Only mark not-running if inferior hasn't exited. In non-stop mode, only mark the event thread. * thread.c:Include "cli/cli-decode.h". (print_thread_info): Don't read from a running thread. Output "(running)" if thread is running. (switch_to_thread): Don't read stop_pc if thread is executing. (do_restore_current_thread_cleanup): Don't write to a running thread. (thread_apply_all_command): Don't read from a running thread. In non-stop mode, do a full context-switch instead of just switching threads. (thread_apply_command): In non-stop mode, do a full context-switch instead of just switching threads. (do_captured_thread_select): Likewise. Inform user if selected thread is running. (_initialize_thread): Mark "info threads" and "thread" and async_ok. * inf-loop.c (inferior_event_handler): In non-stop mode, don't unregister the target from the event loop. * infcmd.c (continue_command, step_1, jump_command) (signal_command): Ensure the selected thread isn't running. (interrupt_target_command): In non-stop mode, interrupt only the selected thread. * inferior.h (error_is_running, ensure_not_running): Declare. * target.h (struct target_ops): Add ptid argument to the to_stop member. (target_stop): Add ptid_t argument. * target.c (update_current_target): Add ptid argument to to_stop's type. (debug_to_stop): Add ptid_t argument. (debug_to_rcmd): Set to_stop_ptid. * remote.c (remote_stop): Add ptid_t argument. (async_remote_interrupt): Add inferior_ptid to target_stop. * inf-ptrace.c (inf_ptrace_stop): Add ptid argument. * Makefile.in (thread.o): Depend on $(cli_decode_h).
2008-07-09 22:42:43 +00:00
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
/* The running state of the originally selected thread may have
changed, so we have to recheck it here. */
if (old->was_stopped
&& is_stopped (inferior_ptid)
&& target_has_registers
&& target_has_stack
&& target_has_memory)
restore_selected_frame (old->selected_frame_id,
old->selected_frame_level);
}
static void
restore_current_thread_cleanup_dtor (void *arg)
{
struct current_thread_cleanup *old = arg;
struct thread_info *tp;
tp = find_thread_pid (old->inferior_ptid);
if (tp)
tp->refcount--;
2000-12-15 01:01:51 +00:00
xfree (old);
}
struct cleanup *
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
make_cleanup_restore_current_thread (void)
{
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
struct thread_info *tp;
struct frame_info *frame;
struct current_thread_cleanup *old;
old = xmalloc (sizeof (struct current_thread_cleanup));
2001-05-04 04:15:33 +00:00
old->inferior_ptid = inferior_ptid;
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
old->was_stopped = is_stopped (inferior_ptid);
if (old->was_stopped
&& target_has_registers
&& target_has_stack
&& target_has_memory)
frame = get_selected_frame (NULL);
else
frame = NULL;
old->selected_frame_id = get_frame_id (frame);
old->selected_frame_level = frame_relative_level (frame);
tp = find_thread_pid (inferior_ptid);
if (tp)
tp->refcount++;
return make_cleanup_dtor (do_restore_current_thread_cleanup, old,
restore_current_thread_cleanup_dtor);
}
/* Apply a GDB command to a list of threads. List syntax is a whitespace
seperated list of numbers, or ranges, or the keyword `all'. Ranges consist
of two numbers seperated by a hyphen. Examples:
1999-07-07 20:19:36 +00:00
thread apply 1 2 7 4 backtrace Apply backtrace cmd to threads 1,2,7,4
thread apply 2-7 9 p foo(1) Apply p foo(1) cmd to threads 2->7 & 9
thread apply all p x/i $pc Apply x/i $pc cmd to all threads
*/
static void
2000-07-30 01:48:28 +00:00
thread_apply_all_command (char *cmd, int from_tty)
{
struct thread_info *tp;
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
struct cleanup *old_chain;
char *saved_cmd;
if (cmd == NULL || *cmd == '\000')
2005-02-10 Andrew Cagney <cagney@gnu.org> Mark up all error and warning messages. * ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update. * bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update. * core-aout.c, core-regset.c, corefile.c, corelow.c: Update. * cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update. * dbxread.c, demangle.c, doublest.c, dsrec.c: Update. * dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update. * dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update. * event-top.c, exec.c, expprint.c, f-lang.c: Update. * f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update. * frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update. * gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update. * hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update. * hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update. * hpread.c, hpux-thread.c, i386-linux-nat.c: Update. * i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update. * i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update. * ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update. * infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update. * inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update. * kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update. * linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update. * m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update. * m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update. * maint.c, mdebugread.c, mem-break.c, memattr.c: Update. * mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update. * nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update. * observer.c, ocd.c, p-lang.c, p-typeprint.c: Update. * p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update. * ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update. * remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update. * remote-rdp.c, remote-sim.c, remote-st.c: Update. * remote-utils.c, remote-utils.h, remote.c: Update. * rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update. * ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update. * sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update. * solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update. * solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update. * somread.c, somsolib.c, source.c, stabsread.c: Update. * stack.c, std-regs.c, symfile-mem.c, symfile.c: Update. * symmisc.c, symtab.c, target.c, thread.c, top.c: Update. * tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update. * uw-thread.c, valarith.c, valops.c, valprint.c: Update. * value.c, varobj.c, version.in, win32-nat.c, wince.c: Update. * xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update. * cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update. * cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update. * mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update. * mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update. * mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update. * tui/tui-win.c: Update.
2005-02-11 04:06:14 +00:00
error (_("Please specify a command following the thread ID list"));
Non-stop inferior control. * infrun.c (resume): In non-stop mode, always resume just one thread. (proceed): Don't call prepare_to_proceed in non-stop mode. (fetch_inferior_event): In non-stop mode, switch context before handling the event. (error_is_running, ensure_not_running): New. (handle_inferior_event): In non-stop mode: Mark only the event thread as stopped. Require that the target module manages adding threads to the thread list. Assert that there isn't a deferred_step_ptid set. Don't switch to infwait_thread_hop_state. (normal_stop): Only mark not-running if inferior hasn't exited. In non-stop mode, only mark the event thread. * thread.c:Include "cli/cli-decode.h". (print_thread_info): Don't read from a running thread. Output "(running)" if thread is running. (switch_to_thread): Don't read stop_pc if thread is executing. (do_restore_current_thread_cleanup): Don't write to a running thread. (thread_apply_all_command): Don't read from a running thread. In non-stop mode, do a full context-switch instead of just switching threads. (thread_apply_command): In non-stop mode, do a full context-switch instead of just switching threads. (do_captured_thread_select): Likewise. Inform user if selected thread is running. (_initialize_thread): Mark "info threads" and "thread" and async_ok. * inf-loop.c (inferior_event_handler): In non-stop mode, don't unregister the target from the event loop. * infcmd.c (continue_command, step_1, jump_command) (signal_command): Ensure the selected thread isn't running. (interrupt_target_command): In non-stop mode, interrupt only the selected thread. * inferior.h (error_is_running, ensure_not_running): Declare. * target.h (struct target_ops): Add ptid argument to the to_stop member. (target_stop): Add ptid_t argument. * target.c (update_current_target): Add ptid argument to to_stop's type. (debug_to_stop): Add ptid_t argument. (debug_to_rcmd): Set to_stop_ptid. * remote.c (remote_stop): Add ptid_t argument. (async_remote_interrupt): Add inferior_ptid to target_stop. * inf-ptrace.c (inf_ptrace_stop): Add ptid argument. * Makefile.in (thread.o): Depend on $(cli_decode_h).
2008-07-09 22:42:43 +00:00
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
prune_threads ();
target_find_new_threads ();
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
old_chain = make_cleanup_restore_current_thread ();
/* Save a copy of the command in case it is clobbered by
execute_command */
saved_cmd = xstrdup (cmd);
Non-stop inferior control. * infrun.c (resume): In non-stop mode, always resume just one thread. (proceed): Don't call prepare_to_proceed in non-stop mode. (fetch_inferior_event): In non-stop mode, switch context before handling the event. (error_is_running, ensure_not_running): New. (handle_inferior_event): In non-stop mode: Mark only the event thread as stopped. Require that the target module manages adding threads to the thread list. Assert that there isn't a deferred_step_ptid set. Don't switch to infwait_thread_hop_state. (normal_stop): Only mark not-running if inferior hasn't exited. In non-stop mode, only mark the event thread. * thread.c:Include "cli/cli-decode.h". (print_thread_info): Don't read from a running thread. Output "(running)" if thread is running. (switch_to_thread): Don't read stop_pc if thread is executing. (do_restore_current_thread_cleanup): Don't write to a running thread. (thread_apply_all_command): Don't read from a running thread. In non-stop mode, do a full context-switch instead of just switching threads. (thread_apply_command): In non-stop mode, do a full context-switch instead of just switching threads. (do_captured_thread_select): Likewise. Inform user if selected thread is running. (_initialize_thread): Mark "info threads" and "thread" and async_ok. * inf-loop.c (inferior_event_handler): In non-stop mode, don't unregister the target from the event loop. * infcmd.c (continue_command, step_1, jump_command) (signal_command): Ensure the selected thread isn't running. (interrupt_target_command): In non-stop mode, interrupt only the selected thread. * inferior.h (error_is_running, ensure_not_running): Declare. * target.h (struct target_ops): Add ptid argument to the to_stop member. (target_stop): Add ptid_t argument. * target.c (update_current_target): Add ptid argument to to_stop's type. (debug_to_stop): Add ptid_t argument. (debug_to_rcmd): Set to_stop_ptid. * remote.c (remote_stop): Add ptid_t argument. (async_remote_interrupt): Add inferior_ptid to target_stop. * inf-ptrace.c (inf_ptrace_stop): Add ptid argument. * Makefile.in (thread.o): Depend on $(cli_decode_h).
2008-07-09 22:42:43 +00:00
make_cleanup (xfree, saved_cmd);
for (tp = thread_list; tp; tp = tp->next)
if (thread_alive (tp))
{
Non-stop inferior control. * infrun.c (resume): In non-stop mode, always resume just one thread. (proceed): Don't call prepare_to_proceed in non-stop mode. (fetch_inferior_event): In non-stop mode, switch context before handling the event. (error_is_running, ensure_not_running): New. (handle_inferior_event): In non-stop mode: Mark only the event thread as stopped. Require that the target module manages adding threads to the thread list. Assert that there isn't a deferred_step_ptid set. Don't switch to infwait_thread_hop_state. (normal_stop): Only mark not-running if inferior hasn't exited. In non-stop mode, only mark the event thread. * thread.c:Include "cli/cli-decode.h". (print_thread_info): Don't read from a running thread. Output "(running)" if thread is running. (switch_to_thread): Don't read stop_pc if thread is executing. (do_restore_current_thread_cleanup): Don't write to a running thread. (thread_apply_all_command): Don't read from a running thread. In non-stop mode, do a full context-switch instead of just switching threads. (thread_apply_command): In non-stop mode, do a full context-switch instead of just switching threads. (do_captured_thread_select): Likewise. Inform user if selected thread is running. (_initialize_thread): Mark "info threads" and "thread" and async_ok. * inf-loop.c (inferior_event_handler): In non-stop mode, don't unregister the target from the event loop. * infcmd.c (continue_command, step_1, jump_command) (signal_command): Ensure the selected thread isn't running. (interrupt_target_command): In non-stop mode, interrupt only the selected thread. * inferior.h (error_is_running, ensure_not_running): Declare. * target.h (struct target_ops): Add ptid argument to the to_stop member. (target_stop): Add ptid_t argument. * target.c (update_current_target): Add ptid argument to to_stop's type. (debug_to_stop): Add ptid_t argument. (debug_to_rcmd): Set to_stop_ptid. * remote.c (remote_stop): Add ptid_t argument. (async_remote_interrupt): Add inferior_ptid to target_stop. * inf-ptrace.c (inf_ptrace_stop): Add ptid argument. * Makefile.in (thread.o): Depend on $(cli_decode_h).
2008-07-09 22:42:43 +00:00
if (non_stop)
context_switch_to (tp->ptid);
else
switch_to_thread (tp->ptid);
printf_filtered (_("\nThread %d (%s):\n"),
tp->num, target_tid_to_str (inferior_ptid));
execute_command (cmd, from_tty);
strcpy (cmd, saved_cmd); /* Restore exact command used previously */
}
do_cleanups (old_chain);
}
static void
2000-07-30 01:48:28 +00:00
thread_apply_command (char *tidlist, int from_tty)
{
char *cmd;
char *p;
struct cleanup *old_chain;
char *saved_cmd;
if (tidlist == NULL || *tidlist == '\000')
2005-02-10 Andrew Cagney <cagney@gnu.org> Mark up all error and warning messages. * ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update. * bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update. * core-aout.c, core-regset.c, corefile.c, corelow.c: Update. * cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update. * dbxread.c, demangle.c, doublest.c, dsrec.c: Update. * dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update. * dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update. * event-top.c, exec.c, expprint.c, f-lang.c: Update. * f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update. * frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update. * gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update. * hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update. * hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update. * hpread.c, hpux-thread.c, i386-linux-nat.c: Update. * i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update. * i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update. * ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update. * infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update. * inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update. * kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update. * linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update. * m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update. * m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update. * maint.c, mdebugread.c, mem-break.c, memattr.c: Update. * mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update. * nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update. * observer.c, ocd.c, p-lang.c, p-typeprint.c: Update. * p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update. * ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update. * remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update. * remote-rdp.c, remote-sim.c, remote-st.c: Update. * remote-utils.c, remote-utils.h, remote.c: Update. * rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update. * ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update. * sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update. * solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update. * solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update. * somread.c, somsolib.c, source.c, stabsread.c: Update. * stack.c, std-regs.c, symfile-mem.c, symfile.c: Update. * symmisc.c, symtab.c, target.c, thread.c, top.c: Update. * tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update. * uw-thread.c, valarith.c, valops.c, valprint.c: Update. * value.c, varobj.c, version.in, win32-nat.c, wince.c: Update. * xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update. * cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update. * cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update. * mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update. * mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update. * mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update. * tui/tui-win.c: Update.
2005-02-11 04:06:14 +00:00
error (_("Please specify a thread ID list"));
1999-07-07 20:19:36 +00:00
for (cmd = tidlist; *cmd != '\000' && !isalpha (*cmd); cmd++);
if (*cmd == '\000')
2005-02-10 Andrew Cagney <cagney@gnu.org> Mark up all error and warning messages. * ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update. * bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update. * core-aout.c, core-regset.c, corefile.c, corelow.c: Update. * cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update. * dbxread.c, demangle.c, doublest.c, dsrec.c: Update. * dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update. * dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update. * event-top.c, exec.c, expprint.c, f-lang.c: Update. * f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update. * frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update. * gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update. * hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update. * hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update. * hpread.c, hpux-thread.c, i386-linux-nat.c: Update. * i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update. * i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update. * ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update. * infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update. * inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update. * kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update. * linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update. * m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update. * m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update. * maint.c, mdebugread.c, mem-break.c, memattr.c: Update. * mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update. * nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update. * observer.c, ocd.c, p-lang.c, p-typeprint.c: Update. * p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update. * ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update. * remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update. * remote-rdp.c, remote-sim.c, remote-st.c: Update. * remote-utils.c, remote-utils.h, remote.c: Update. * rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update. * ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update. * sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update. * solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update. * solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update. * somread.c, somsolib.c, source.c, stabsread.c: Update. * stack.c, std-regs.c, symfile-mem.c, symfile.c: Update. * symmisc.c, symtab.c, target.c, thread.c, top.c: Update. * tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update. * uw-thread.c, valarith.c, valops.c, valprint.c: Update. * value.c, varobj.c, version.in, win32-nat.c, wince.c: Update. * xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update. * cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update. * cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update. * mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update. * mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update. * mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update. * tui/tui-win.c: Update.
2005-02-11 04:06:14 +00:00
error (_("Please specify a command following the thread ID list"));
/* Save a copy of the command in case it is clobbered by
execute_command */
saved_cmd = xstrdup (cmd);
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
old_chain = make_cleanup (xfree, saved_cmd);
while (tidlist < cmd)
{
struct thread_info *tp;
int start, end;
start = strtol (tidlist, &p, 10);
if (p == tidlist)
2005-02-10 Andrew Cagney <cagney@gnu.org> Mark up all error and warning messages. * ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update. * bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update. * core-aout.c, core-regset.c, corefile.c, corelow.c: Update. * cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update. * dbxread.c, demangle.c, doublest.c, dsrec.c: Update. * dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update. * dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update. * event-top.c, exec.c, expprint.c, f-lang.c: Update. * f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update. * frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update. * gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update. * hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update. * hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update. * hpread.c, hpux-thread.c, i386-linux-nat.c: Update. * i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update. * i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update. * ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update. * infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update. * inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update. * kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update. * linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update. * m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update. * m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update. * maint.c, mdebugread.c, mem-break.c, memattr.c: Update. * mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update. * nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update. * observer.c, ocd.c, p-lang.c, p-typeprint.c: Update. * p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update. * ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update. * remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update. * remote-rdp.c, remote-sim.c, remote-st.c: Update. * remote-utils.c, remote-utils.h, remote.c: Update. * rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update. * ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update. * sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update. * solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update. * solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update. * somread.c, somsolib.c, source.c, stabsread.c: Update. * stack.c, std-regs.c, symfile-mem.c, symfile.c: Update. * symmisc.c, symtab.c, target.c, thread.c, top.c: Update. * tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update. * uw-thread.c, valarith.c, valops.c, valprint.c: Update. * value.c, varobj.c, version.in, win32-nat.c, wince.c: Update. * xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update. * cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update. * cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update. * mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update. * mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update. * mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update. * tui/tui-win.c: Update.
2005-02-11 04:06:14 +00:00
error (_("Error parsing %s"), tidlist);
tidlist = p;
while (*tidlist == ' ' || *tidlist == '\t')
tidlist++;
if (*tidlist == '-') /* Got a range of IDs? */
{
1999-07-07 20:19:36 +00:00
tidlist++; /* Skip the - */
end = strtol (tidlist, &p, 10);
if (p == tidlist)
2005-02-10 Andrew Cagney <cagney@gnu.org> Mark up all error and warning messages. * ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update. * bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update. * core-aout.c, core-regset.c, corefile.c, corelow.c: Update. * cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update. * dbxread.c, demangle.c, doublest.c, dsrec.c: Update. * dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update. * dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update. * event-top.c, exec.c, expprint.c, f-lang.c: Update. * f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update. * frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update. * gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update. * hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update. * hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update. * hpread.c, hpux-thread.c, i386-linux-nat.c: Update. * i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update. * i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update. * ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update. * infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update. * inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update. * kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update. * linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update. * m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update. * m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update. * maint.c, mdebugread.c, mem-break.c, memattr.c: Update. * mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update. * nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update. * observer.c, ocd.c, p-lang.c, p-typeprint.c: Update. * p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update. * ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update. * remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update. * remote-rdp.c, remote-sim.c, remote-st.c: Update. * remote-utils.c, remote-utils.h, remote.c: Update. * rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update. * ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update. * sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update. * solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update. * solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update. * somread.c, somsolib.c, source.c, stabsread.c: Update. * stack.c, std-regs.c, symfile-mem.c, symfile.c: Update. * symmisc.c, symtab.c, target.c, thread.c, top.c: Update. * tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update. * uw-thread.c, valarith.c, valops.c, valprint.c: Update. * value.c, varobj.c, version.in, win32-nat.c, wince.c: Update. * xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update. * cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update. * cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update. * mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update. * mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update. * mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update. * tui/tui-win.c: Update.
2005-02-11 04:06:14 +00:00
error (_("Error parsing %s"), tidlist);
tidlist = p;
while (*tidlist == ' ' || *tidlist == '\t')
tidlist++;
}
else
end = start;
make_cleanup_restore_current_thread ();
for (; start <= end; start++)
{
tp = find_thread_id (start);
if (!tp)
2005-02-10 Andrew Cagney <cagney@gnu.org> Mark up all error and warning messages. * ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update. * bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update. * core-aout.c, core-regset.c, corefile.c, corelow.c: Update. * cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update. * dbxread.c, demangle.c, doublest.c, dsrec.c: Update. * dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update. * dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update. * event-top.c, exec.c, expprint.c, f-lang.c: Update. * f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update. * frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update. * gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update. * hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update. * hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update. * hpread.c, hpux-thread.c, i386-linux-nat.c: Update. * i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update. * i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update. * ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update. * infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update. * inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update. * kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update. * linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update. * m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update. * m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update. * maint.c, mdebugread.c, mem-break.c, memattr.c: Update. * mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update. * nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update. * observer.c, ocd.c, p-lang.c, p-typeprint.c: Update. * p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update. * ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update. * remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update. * remote-rdp.c, remote-sim.c, remote-st.c: Update. * remote-utils.c, remote-utils.h, remote.c: Update. * rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update. * ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update. * sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update. * solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update. * solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update. * somread.c, somsolib.c, source.c, stabsread.c: Update. * stack.c, std-regs.c, symfile-mem.c, symfile.c: Update. * symmisc.c, symtab.c, target.c, thread.c, top.c: Update. * tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update. * uw-thread.c, valarith.c, valops.c, valprint.c: Update. * value.c, varobj.c, version.in, win32-nat.c, wince.c: Update. * xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update. * cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update. * cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update. * mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update. * mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update. * mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update. * tui/tui-win.c: Update.
2005-02-11 04:06:14 +00:00
warning (_("Unknown thread %d."), start);
else if (!thread_alive (tp))
2005-02-10 Andrew Cagney <cagney@gnu.org> Mark up all error and warning messages. * ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update. * bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update. * core-aout.c, core-regset.c, corefile.c, corelow.c: Update. * cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update. * dbxread.c, demangle.c, doublest.c, dsrec.c: Update. * dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update. * dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update. * event-top.c, exec.c, expprint.c, f-lang.c: Update. * f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update. * frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update. * gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update. * hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update. * hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update. * hpread.c, hpux-thread.c, i386-linux-nat.c: Update. * i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update. * i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update. * ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update. * infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update. * inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update. * kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update. * linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update. * m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update. * m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update. * maint.c, mdebugread.c, mem-break.c, memattr.c: Update. * mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update. * nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update. * observer.c, ocd.c, p-lang.c, p-typeprint.c: Update. * p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update. * ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update. * remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update. * remote-rdp.c, remote-sim.c, remote-st.c: Update. * remote-utils.c, remote-utils.h, remote.c: Update. * rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update. * ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update. * sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update. * solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update. * solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update. * somread.c, somsolib.c, source.c, stabsread.c: Update. * stack.c, std-regs.c, symfile-mem.c, symfile.c: Update. * symmisc.c, symtab.c, target.c, thread.c, top.c: Update. * tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update. * uw-thread.c, valarith.c, valops.c, valprint.c: Update. * value.c, varobj.c, version.in, win32-nat.c, wince.c: Update. * xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update. * cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update. * cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update. * mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update. * mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update. * mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update. * tui/tui-win.c: Update.
2005-02-11 04:06:14 +00:00
warning (_("Thread %d has terminated."), start);
else
{
Non-stop inferior control. * infrun.c (resume): In non-stop mode, always resume just one thread. (proceed): Don't call prepare_to_proceed in non-stop mode. (fetch_inferior_event): In non-stop mode, switch context before handling the event. (error_is_running, ensure_not_running): New. (handle_inferior_event): In non-stop mode: Mark only the event thread as stopped. Require that the target module manages adding threads to the thread list. Assert that there isn't a deferred_step_ptid set. Don't switch to infwait_thread_hop_state. (normal_stop): Only mark not-running if inferior hasn't exited. In non-stop mode, only mark the event thread. * thread.c:Include "cli/cli-decode.h". (print_thread_info): Don't read from a running thread. Output "(running)" if thread is running. (switch_to_thread): Don't read stop_pc if thread is executing. (do_restore_current_thread_cleanup): Don't write to a running thread. (thread_apply_all_command): Don't read from a running thread. In non-stop mode, do a full context-switch instead of just switching threads. (thread_apply_command): In non-stop mode, do a full context-switch instead of just switching threads. (do_captured_thread_select): Likewise. Inform user if selected thread is running. (_initialize_thread): Mark "info threads" and "thread" and async_ok. * inf-loop.c (inferior_event_handler): In non-stop mode, don't unregister the target from the event loop. * infcmd.c (continue_command, step_1, jump_command) (signal_command): Ensure the selected thread isn't running. (interrupt_target_command): In non-stop mode, interrupt only the selected thread. * inferior.h (error_is_running, ensure_not_running): Declare. * target.h (struct target_ops): Add ptid argument to the to_stop member. (target_stop): Add ptid_t argument. * target.c (update_current_target): Add ptid argument to to_stop's type. (debug_to_stop): Add ptid_t argument. (debug_to_rcmd): Set to_stop_ptid. * remote.c (remote_stop): Add ptid_t argument. (async_remote_interrupt): Add inferior_ptid to target_stop. * inf-ptrace.c (inf_ptrace_stop): Add ptid argument. * Makefile.in (thread.o): Depend on $(cli_decode_h).
2008-07-09 22:42:43 +00:00
if (non_stop)
context_switch_to (tp->ptid);
else
switch_to_thread (tp->ptid);
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
printf_filtered (_("\nThread %d (%s):\n"), tp->num,
2001-05-04 04:15:33 +00:00
target_tid_to_str (inferior_ptid));
execute_command (cmd, from_tty);
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
/* Restore exact command used previously. */
strcpy (cmd, saved_cmd);
}
}
}
do_cleanups (old_chain);
}
/* Switch to the specified thread. Will dispatch off to thread_apply_command
if prefix of arg is `apply'. */
static void
2000-07-30 01:48:28 +00:00
thread_command (char *tidstr, int from_tty)
{
if (!tidstr)
{
if (target_has_stack)
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
{
if (is_exited (inferior_ptid))
printf_filtered (_("[Current thread is %d (%s) (exited)]\n"),
pid_to_thread_id (inferior_ptid),
target_tid_to_str (inferior_ptid));
else
printf_filtered (_("[Current thread is %d (%s)]\n"),
pid_to_thread_id (inferior_ptid),
target_tid_to_str (inferior_ptid));
}
else
2005-02-10 Andrew Cagney <cagney@gnu.org> Mark up all error and warning messages. * ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update. * bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update. * core-aout.c, core-regset.c, corefile.c, corelow.c: Update. * cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update. * dbxread.c, demangle.c, doublest.c, dsrec.c: Update. * dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update. * dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update. * event-top.c, exec.c, expprint.c, f-lang.c: Update. * f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update. * frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update. * gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update. * hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update. * hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update. * hpread.c, hpux-thread.c, i386-linux-nat.c: Update. * i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update. * i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update. * ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update. * infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update. * inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update. * kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update. * linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update. * m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update. * m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update. * maint.c, mdebugread.c, mem-break.c, memattr.c: Update. * mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update. * nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update. * observer.c, ocd.c, p-lang.c, p-typeprint.c: Update. * p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update. * ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update. * remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update. * remote-rdp.c, remote-sim.c, remote-st.c: Update. * remote-utils.c, remote-utils.h, remote.c: Update. * rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update. * ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update. * sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update. * solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update. * solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update. * somread.c, somsolib.c, source.c, stabsread.c: Update. * stack.c, std-regs.c, symfile-mem.c, symfile.c: Update. * symmisc.c, symtab.c, target.c, thread.c, top.c: Update. * tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update. * uw-thread.c, valarith.c, valops.c, valprint.c: Update. * value.c, varobj.c, version.in, win32-nat.c, wince.c: Update. * xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update. * cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update. * cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update. * mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update. * mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update. * mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update. * tui/tui-win.c: Update.
2005-02-11 04:06:14 +00:00
error (_("No stack."));
return;
}
2000-01-18 00:55:13 +00:00
annotate_thread_changed ();
gdb_thread_select (uiout, tidstr, NULL);
2000-01-18 00:55:13 +00:00
}
/* Print notices when new threads are attached and detached. */
int print_thread_events = 1;
static void
show_print_thread_events (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
{
fprintf_filtered (file, _("\
Printing of thread events is %s.\n"),
value);
}
2000-01-18 00:55:13 +00:00
static int
do_captured_thread_select (struct ui_out *uiout, void *tidstr)
2000-01-18 00:55:13 +00:00
{
int num;
struct thread_info *tp;
num = value_as_long (parse_and_eval (tidstr));
tp = find_thread_id (num);
2000-02-03 04:14:45 +00:00
if (!tp)
2005-02-10 Andrew Cagney <cagney@gnu.org> Mark up all error and warning messages. * ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update. * bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update. * core-aout.c, core-regset.c, corefile.c, corelow.c: Update. * cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update. * dbxread.c, demangle.c, doublest.c, dsrec.c: Update. * dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update. * dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update. * event-top.c, exec.c, expprint.c, f-lang.c: Update. * f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update. * frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update. * gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update. * hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update. * hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update. * hpread.c, hpux-thread.c, i386-linux-nat.c: Update. * i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update. * i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update. * ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update. * infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update. * inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update. * kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update. * linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update. * m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update. * m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update. * maint.c, mdebugread.c, mem-break.c, memattr.c: Update. * mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update. * nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update. * observer.c, ocd.c, p-lang.c, p-typeprint.c: Update. * p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update. * ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update. * remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update. * remote-rdp.c, remote-sim.c, remote-st.c: Update. * remote-utils.c, remote-utils.h, remote.c: Update. * rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update. * ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update. * sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update. * solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update. * solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update. * somread.c, somsolib.c, source.c, stabsread.c: Update. * stack.c, std-regs.c, symfile-mem.c, symfile.c: Update. * symmisc.c, symtab.c, target.c, thread.c, top.c: Update. * tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update. * uw-thread.c, valarith.c, valops.c, valprint.c: Update. * value.c, varobj.c, version.in, win32-nat.c, wince.c: Update. * xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update. * cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update. * cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update. * mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update. * mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update. * mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update. * tui/tui-win.c: Update.
2005-02-11 04:06:14 +00:00
error (_("Thread ID %d not known."), num);
if (!thread_alive (tp))
2005-02-10 Andrew Cagney <cagney@gnu.org> Mark up all error and warning messages. * ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update. * bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update. * core-aout.c, core-regset.c, corefile.c, corelow.c: Update. * cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update. * dbxread.c, demangle.c, doublest.c, dsrec.c: Update. * dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update. * dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update. * event-top.c, exec.c, expprint.c, f-lang.c: Update. * f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update. * frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update. * gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update. * hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update. * hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update. * hpread.c, hpux-thread.c, i386-linux-nat.c: Update. * i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update. * i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update. * ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update. * infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update. * inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update. * kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update. * linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update. * m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update. * m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update. * maint.c, mdebugread.c, mem-break.c, memattr.c: Update. * mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update. * nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update. * observer.c, ocd.c, p-lang.c, p-typeprint.c: Update. * p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update. * ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update. * remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update. * remote-rdp.c, remote-sim.c, remote-st.c: Update. * remote-utils.c, remote-utils.h, remote.c: Update. * rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update. * ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update. * sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update. * solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update. * solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update. * somread.c, somsolib.c, source.c, stabsread.c: Update. * stack.c, std-regs.c, symfile-mem.c, symfile.c: Update. * symmisc.c, symtab.c, target.c, thread.c, top.c: Update. * tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update. * uw-thread.c, valarith.c, valops.c, valprint.c: Update. * value.c, varobj.c, version.in, win32-nat.c, wince.c: Update. * xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update. * cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update. * cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update. * mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update. * mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update. * mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update. * tui/tui-win.c: Update.
2005-02-11 04:06:14 +00:00
error (_("Thread ID %d has terminated."), num);
Non-stop inferior control. * infrun.c (resume): In non-stop mode, always resume just one thread. (proceed): Don't call prepare_to_proceed in non-stop mode. (fetch_inferior_event): In non-stop mode, switch context before handling the event. (error_is_running, ensure_not_running): New. (handle_inferior_event): In non-stop mode: Mark only the event thread as stopped. Require that the target module manages adding threads to the thread list. Assert that there isn't a deferred_step_ptid set. Don't switch to infwait_thread_hop_state. (normal_stop): Only mark not-running if inferior hasn't exited. In non-stop mode, only mark the event thread. * thread.c:Include "cli/cli-decode.h". (print_thread_info): Don't read from a running thread. Output "(running)" if thread is running. (switch_to_thread): Don't read stop_pc if thread is executing. (do_restore_current_thread_cleanup): Don't write to a running thread. (thread_apply_all_command): Don't read from a running thread. In non-stop mode, do a full context-switch instead of just switching threads. (thread_apply_command): In non-stop mode, do a full context-switch instead of just switching threads. (do_captured_thread_select): Likewise. Inform user if selected thread is running. (_initialize_thread): Mark "info threads" and "thread" and async_ok. * inf-loop.c (inferior_event_handler): In non-stop mode, don't unregister the target from the event loop. * infcmd.c (continue_command, step_1, jump_command) (signal_command): Ensure the selected thread isn't running. (interrupt_target_command): In non-stop mode, interrupt only the selected thread. * inferior.h (error_is_running, ensure_not_running): Declare. * target.h (struct target_ops): Add ptid argument to the to_stop member. (target_stop): Add ptid_t argument. * target.c (update_current_target): Add ptid argument to to_stop's type. (debug_to_stop): Add ptid_t argument. (debug_to_rcmd): Set to_stop_ptid. * remote.c (remote_stop): Add ptid_t argument. (async_remote_interrupt): Add inferior_ptid to target_stop. * inf-ptrace.c (inf_ptrace_stop): Add ptid argument. * Makefile.in (thread.o): Depend on $(cli_decode_h).
2008-07-09 22:42:43 +00:00
if (non_stop)
context_switch_to (tp->ptid);
else
switch_to_thread (tp->ptid);
2000-02-03 04:14:45 +00:00
ui_out_text (uiout, "[Switching to thread ");
2001-05-04 04:15:33 +00:00
ui_out_field_int (uiout, "new-thread-id", pid_to_thread_id (inferior_ptid));
2000-02-03 04:14:45 +00:00
ui_out_text (uiout, " (");
2001-05-04 04:15:33 +00:00
ui_out_text (uiout, target_tid_to_str (inferior_ptid));
2000-02-03 04:14:45 +00:00
ui_out_text (uiout, ")]");
2000-01-18 00:55:13 +00:00
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
/* Note that we can't reach this with an exited thread, due to the
thread_alive check above. */
if (tp->state_ == THREAD_RUNNING)
Non-stop inferior control. * infrun.c (resume): In non-stop mode, always resume just one thread. (proceed): Don't call prepare_to_proceed in non-stop mode. (fetch_inferior_event): In non-stop mode, switch context before handling the event. (error_is_running, ensure_not_running): New. (handle_inferior_event): In non-stop mode: Mark only the event thread as stopped. Require that the target module manages adding threads to the thread list. Assert that there isn't a deferred_step_ptid set. Don't switch to infwait_thread_hop_state. (normal_stop): Only mark not-running if inferior hasn't exited. In non-stop mode, only mark the event thread. * thread.c:Include "cli/cli-decode.h". (print_thread_info): Don't read from a running thread. Output "(running)" if thread is running. (switch_to_thread): Don't read stop_pc if thread is executing. (do_restore_current_thread_cleanup): Don't write to a running thread. (thread_apply_all_command): Don't read from a running thread. In non-stop mode, do a full context-switch instead of just switching threads. (thread_apply_command): In non-stop mode, do a full context-switch instead of just switching threads. (do_captured_thread_select): Likewise. Inform user if selected thread is running. (_initialize_thread): Mark "info threads" and "thread" and async_ok. * inf-loop.c (inferior_event_handler): In non-stop mode, don't unregister the target from the event loop. * infcmd.c (continue_command, step_1, jump_command) (signal_command): Ensure the selected thread isn't running. (interrupt_target_command): In non-stop mode, interrupt only the selected thread. * inferior.h (error_is_running, ensure_not_running): Declare. * target.h (struct target_ops): Add ptid argument to the to_stop member. (target_stop): Add ptid_t argument. * target.c (update_current_target): Add ptid argument to to_stop's type. (debug_to_stop): Add ptid_t argument. (debug_to_rcmd): Set to_stop_ptid. * remote.c (remote_stop): Add ptid_t argument. (async_remote_interrupt): Add inferior_ptid to target_stop. * inf-ptrace.c (inf_ptrace_stop): Add ptid argument. * Makefile.in (thread.o): Depend on $(cli_decode_h).
2008-07-09 22:42:43 +00:00
ui_out_text (uiout, "(running)\n");
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
else
print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC);
/* Since the current thread may have changed, see if there is any
exited thread we can now delete. */
prune_threads ();
Non-stop inferior control. * infrun.c (resume): In non-stop mode, always resume just one thread. (proceed): Don't call prepare_to_proceed in non-stop mode. (fetch_inferior_event): In non-stop mode, switch context before handling the event. (error_is_running, ensure_not_running): New. (handle_inferior_event): In non-stop mode: Mark only the event thread as stopped. Require that the target module manages adding threads to the thread list. Assert that there isn't a deferred_step_ptid set. Don't switch to infwait_thread_hop_state. (normal_stop): Only mark not-running if inferior hasn't exited. In non-stop mode, only mark the event thread. * thread.c:Include "cli/cli-decode.h". (print_thread_info): Don't read from a running thread. Output "(running)" if thread is running. (switch_to_thread): Don't read stop_pc if thread is executing. (do_restore_current_thread_cleanup): Don't write to a running thread. (thread_apply_all_command): Don't read from a running thread. In non-stop mode, do a full context-switch instead of just switching threads. (thread_apply_command): In non-stop mode, do a full context-switch instead of just switching threads. (do_captured_thread_select): Likewise. Inform user if selected thread is running. (_initialize_thread): Mark "info threads" and "thread" and async_ok. * inf-loop.c (inferior_event_handler): In non-stop mode, don't unregister the target from the event loop. * infcmd.c (continue_command, step_1, jump_command) (signal_command): Ensure the selected thread isn't running. (interrupt_target_command): In non-stop mode, interrupt only the selected thread. * inferior.h (error_is_running, ensure_not_running): Declare. * target.h (struct target_ops): Add ptid argument to the to_stop member. (target_stop): Add ptid_t argument. * target.c (update_current_target): Add ptid argument to to_stop's type. (debug_to_stop): Add ptid_t argument. (debug_to_rcmd): Set to_stop_ptid. * remote.c (remote_stop): Add ptid_t argument. (async_remote_interrupt): Add inferior_ptid to target_stop. * inf-ptrace.c (inf_ptrace_stop): Add ptid argument. * Makefile.in (thread.o): Depend on $(cli_decode_h).
2008-07-09 22:42:43 +00:00
2000-01-18 00:55:13 +00:00
return GDB_RC_OK;
}
enum gdb_rc
gdb_thread_select (struct ui_out *uiout, char *tidstr, char **error_message)
2000-01-18 00:55:13 +00:00
{
if (catch_exceptions_with_msg (uiout, do_captured_thread_select, tidstr,
error_message, RETURN_MASK_ALL) < 0)
return GDB_RC_FAIL;
return GDB_RC_OK;
}
/* Commands with a prefix of `thread'. */
struct cmd_list_element *thread_cmd_list = NULL;
void
2000-07-30 01:48:28 +00:00
_initialize_thread (void)
{
static struct cmd_list_element *thread_apply_list = NULL;
Non-stop inferior control. * infrun.c (resume): In non-stop mode, always resume just one thread. (proceed): Don't call prepare_to_proceed in non-stop mode. (fetch_inferior_event): In non-stop mode, switch context before handling the event. (error_is_running, ensure_not_running): New. (handle_inferior_event): In non-stop mode: Mark only the event thread as stopped. Require that the target module manages adding threads to the thread list. Assert that there isn't a deferred_step_ptid set. Don't switch to infwait_thread_hop_state. (normal_stop): Only mark not-running if inferior hasn't exited. In non-stop mode, only mark the event thread. * thread.c:Include "cli/cli-decode.h". (print_thread_info): Don't read from a running thread. Output "(running)" if thread is running. (switch_to_thread): Don't read stop_pc if thread is executing. (do_restore_current_thread_cleanup): Don't write to a running thread. (thread_apply_all_command): Don't read from a running thread. In non-stop mode, do a full context-switch instead of just switching threads. (thread_apply_command): In non-stop mode, do a full context-switch instead of just switching threads. (do_captured_thread_select): Likewise. Inform user if selected thread is running. (_initialize_thread): Mark "info threads" and "thread" and async_ok. * inf-loop.c (inferior_event_handler): In non-stop mode, don't unregister the target from the event loop. * infcmd.c (continue_command, step_1, jump_command) (signal_command): Ensure the selected thread isn't running. (interrupt_target_command): In non-stop mode, interrupt only the selected thread. * inferior.h (error_is_running, ensure_not_running): Declare. * target.h (struct target_ops): Add ptid argument to the to_stop member. (target_stop): Add ptid_t argument. * target.c (update_current_target): Add ptid argument to to_stop's type. (debug_to_stop): Add ptid_t argument. (debug_to_rcmd): Set to_stop_ptid. * remote.c (remote_stop): Add ptid_t argument. (async_remote_interrupt): Add inferior_ptid to target_stop. * inf-ptrace.c (inf_ptrace_stop): Add ptid argument. * Makefile.in (thread.o): Depend on $(cli_decode_h).
2008-07-09 22:42:43 +00:00
struct cmd_list_element *c;
Non-stop inferior control. * infrun.c (resume): In non-stop mode, always resume just one thread. (proceed): Don't call prepare_to_proceed in non-stop mode. (fetch_inferior_event): In non-stop mode, switch context before handling the event. (error_is_running, ensure_not_running): New. (handle_inferior_event): In non-stop mode: Mark only the event thread as stopped. Require that the target module manages adding threads to the thread list. Assert that there isn't a deferred_step_ptid set. Don't switch to infwait_thread_hop_state. (normal_stop): Only mark not-running if inferior hasn't exited. In non-stop mode, only mark the event thread. * thread.c:Include "cli/cli-decode.h". (print_thread_info): Don't read from a running thread. Output "(running)" if thread is running. (switch_to_thread): Don't read stop_pc if thread is executing. (do_restore_current_thread_cleanup): Don't write to a running thread. (thread_apply_all_command): Don't read from a running thread. In non-stop mode, do a full context-switch instead of just switching threads. (thread_apply_command): In non-stop mode, do a full context-switch instead of just switching threads. (do_captured_thread_select): Likewise. Inform user if selected thread is running. (_initialize_thread): Mark "info threads" and "thread" and async_ok. * inf-loop.c (inferior_event_handler): In non-stop mode, don't unregister the target from the event loop. * infcmd.c (continue_command, step_1, jump_command) (signal_command): Ensure the selected thread isn't running. (interrupt_target_command): In non-stop mode, interrupt only the selected thread. * inferior.h (error_is_running, ensure_not_running): Declare. * target.h (struct target_ops): Add ptid argument to the to_stop member. (target_stop): Add ptid_t argument. * target.c (update_current_target): Add ptid argument to to_stop's type. (debug_to_stop): Add ptid_t argument. (debug_to_rcmd): Set to_stop_ptid. * remote.c (remote_stop): Add ptid_t argument. (async_remote_interrupt): Add inferior_ptid to target_stop. * inf-ptrace.c (inf_ptrace_stop): Add ptid argument. * Makefile.in (thread.o): Depend on $(cli_decode_h).
2008-07-09 22:42:43 +00:00
c = add_info ("threads", info_threads_command,
_("IDs of currently known threads."));
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
set_cmd_no_selected_thread_ok (c);
Non-stop inferior control. * infrun.c (resume): In non-stop mode, always resume just one thread. (proceed): Don't call prepare_to_proceed in non-stop mode. (fetch_inferior_event): In non-stop mode, switch context before handling the event. (error_is_running, ensure_not_running): New. (handle_inferior_event): In non-stop mode: Mark only the event thread as stopped. Require that the target module manages adding threads to the thread list. Assert that there isn't a deferred_step_ptid set. Don't switch to infwait_thread_hop_state. (normal_stop): Only mark not-running if inferior hasn't exited. In non-stop mode, only mark the event thread. * thread.c:Include "cli/cli-decode.h". (print_thread_info): Don't read from a running thread. Output "(running)" if thread is running. (switch_to_thread): Don't read stop_pc if thread is executing. (do_restore_current_thread_cleanup): Don't write to a running thread. (thread_apply_all_command): Don't read from a running thread. In non-stop mode, do a full context-switch instead of just switching threads. (thread_apply_command): In non-stop mode, do a full context-switch instead of just switching threads. (do_captured_thread_select): Likewise. Inform user if selected thread is running. (_initialize_thread): Mark "info threads" and "thread" and async_ok. * inf-loop.c (inferior_event_handler): In non-stop mode, don't unregister the target from the event loop. * infcmd.c (continue_command, step_1, jump_command) (signal_command): Ensure the selected thread isn't running. (interrupt_target_command): In non-stop mode, interrupt only the selected thread. * inferior.h (error_is_running, ensure_not_running): Declare. * target.h (struct target_ops): Add ptid argument to the to_stop member. (target_stop): Add ptid_t argument. * target.c (update_current_target): Add ptid argument to to_stop's type. (debug_to_stop): Add ptid_t argument. (debug_to_rcmd): Set to_stop_ptid. * remote.c (remote_stop): Add ptid_t argument. (async_remote_interrupt): Add inferior_ptid to target_stop. * inf-ptrace.c (inf_ptrace_stop): Add ptid argument. * Makefile.in (thread.o): Depend on $(cli_decode_h).
2008-07-09 22:42:43 +00:00
c = add_prefix_cmd ("thread", class_run, thread_command, _("\
Use this command to switch between threads.\n\
The new thread ID must be currently known."),
Non-stop inferior control. * infrun.c (resume): In non-stop mode, always resume just one thread. (proceed): Don't call prepare_to_proceed in non-stop mode. (fetch_inferior_event): In non-stop mode, switch context before handling the event. (error_is_running, ensure_not_running): New. (handle_inferior_event): In non-stop mode: Mark only the event thread as stopped. Require that the target module manages adding threads to the thread list. Assert that there isn't a deferred_step_ptid set. Don't switch to infwait_thread_hop_state. (normal_stop): Only mark not-running if inferior hasn't exited. In non-stop mode, only mark the event thread. * thread.c:Include "cli/cli-decode.h". (print_thread_info): Don't read from a running thread. Output "(running)" if thread is running. (switch_to_thread): Don't read stop_pc if thread is executing. (do_restore_current_thread_cleanup): Don't write to a running thread. (thread_apply_all_command): Don't read from a running thread. In non-stop mode, do a full context-switch instead of just switching threads. (thread_apply_command): In non-stop mode, do a full context-switch instead of just switching threads. (do_captured_thread_select): Likewise. Inform user if selected thread is running. (_initialize_thread): Mark "info threads" and "thread" and async_ok. * inf-loop.c (inferior_event_handler): In non-stop mode, don't unregister the target from the event loop. * infcmd.c (continue_command, step_1, jump_command) (signal_command): Ensure the selected thread isn't running. (interrupt_target_command): In non-stop mode, interrupt only the selected thread. * inferior.h (error_is_running, ensure_not_running): Declare. * target.h (struct target_ops): Add ptid argument to the to_stop member. (target_stop): Add ptid_t argument. * target.c (update_current_target): Add ptid argument to to_stop's type. (debug_to_stop): Add ptid_t argument. (debug_to_rcmd): Set to_stop_ptid. * remote.c (remote_stop): Add ptid_t argument. (async_remote_interrupt): Add inferior_ptid to target_stop. * inf-ptrace.c (inf_ptrace_stop): Add ptid argument. * Makefile.in (thread.o): Depend on $(cli_decode_h).
2008-07-09 22:42:43 +00:00
&thread_cmd_list, "thread ", 1, &cmdlist);
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
set_cmd_no_selected_thread_ok (c);
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
c = add_prefix_cmd ("apply", class_run, thread_apply_command,
_("Apply a command to a list of threads."),
&thread_apply_list, "thread apply ", 1, &thread_cmd_list);
set_cmd_no_selected_thread_ok (c);
Exited threads. * thread.c (enum thread_state): New. (thread_state main_thread_running): Delete, in favor of... (thread_state main_thread_state): ... this. Update throughout. (clear_thread_inferior_resources): New, split from free_thread. (free_thread): Call clear_thread_inferior_resources. (init_thread_list): Set main thread to stopped state. (add_thread_silent): Take care of PTID reuses. (delete_thread): If deleting inferior_ptid or a thread with refcount > 0, mark it as exited, but still keep it in the list. Only notify of thread exits, if we haven't done so yet. (iterate_over_threads): Make it safe to delete threads while iterating over them. (do_captured_list_thread_ids): Don't account for exited threads. (thread_alive): Check for the THREAD_EXITED state, and don't set ptid to -1 on exited threads. (set_running): Update to account for extra possible states. (is_thread_state): New. (is_stopped, is_exited): New. (is_running): Implement in terms of is_thread_state. (any_running): Update. (print_thread_info): Update. Account for exited threads. Don't warn about missed frame restoring here, its done in the cleanup. (switch_to_thread): Don't read from a thread that has gone. (restore_current_thread): In non-stop mode, do a full context switch. (restore_selected_frame): Add a frame_level argument. Rewrite. (struct current_thread_cleanup): Add selected_frame_level and was_stopped members. (do_restore_current_thread_cleanup): Check if thread was stopped and still is, and if the target has registers, stack and memory before restoring the selected frame. Don't delete the cleanup argument here. (restore_current_thread_cleanup_dtor): New. (make_cleanup_restore_current_thread): Remove all arguments. Rewrite. (thread_apply_all_command): Update. Prune threads. (thread_apply_command): Update. (thread_command): Account for currently selected exited thread. (do_captured_thread_select): Check for a running thread. Prune threads. (_initialize_thread): Make "info threads", "thread", "thread apply", and "thread apply all" appliable without a selected thread. * gdbthread.h (struct thread_info): Replace running_ by state_. Add refcount. (is_exited, is_stopped): Declare. (make_cleanup_restore_current_thread): Remove all arguments. * infrun.c: Include "event-top.h". (fetch_inferior_event): In non-stop mode, restore selected thread and frame after handling the event and running breakpoint commands. Display GDB prompt if needed. (normal_stop): In non-stop mode, don't print thread switching notice. * cli/cli-decode.c (set_cmd_no_selected_thread_ok) (get_cmd_no_selected_thread_ok): New. * cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): New. (set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok): Declare. * cli/cli-cmds.c: Set "pwd", "help", "info", "show" as no-selected-thread ok. * top.c (execute_command): Check for non no-selected-thread-ok commands. * linux-nat.c (struct saved_ptids, threads_to_delete) (record_dead_thread, prune_lwps): Delete. (exit_lwp): Unconditionally delete thread. (linux_nat_resume): Remove prune_lwps call. * infcmd.c (proceed_thread_callback): Check if !is_stopped instead of is_running. Adjust to make_cleanup_restore_current_thread interface change. * mi/mi-main.c (mi_cmd_execute): Only allow a few commands if the selected thread has exited. * inf-loop.c (inferior_event_handler): Don't display the prompt here. * varobj.c (c_value_of_root): Update. * defs.h (make_cleanup_dtor): Declare. * utils.c (make_cleanup_dtor): New. * Makefile.in (infrun.o): Depend on $(event_top_h).
2008-07-11 11:07:39 +00:00
c = add_cmd ("all", class_run, thread_apply_all_command,
_("Apply a command to all threads."), &thread_apply_list);
set_cmd_no_selected_thread_ok (c);
if (!xdb_commands)
add_com_alias ("t", "thread", class_run, 1);
add_setshow_boolean_cmd ("thread-events", no_class,
&print_thread_events, _("\
Set printing of thread events (such as thread start and exit)."), _("\
Show printing of thread events (such as thread start and exit)."), NULL,
NULL,
show_print_thread_events,
&setprintlist, &showprintlist);
}