24a09b5f37
(add_pid_to_list, pull_pid_from_list): New. * linux-low.c (PTRACE_SETOPTIONS, PTRACE_GETEVENTMSG) (PTRACE_O_TRACESYSGOOD, PTRACE_O_TRACEFORK, PTRACE_O_TRACEVFORK) (PTRACE_O_TRACECLONE, PTRACE_O_TRACEEXEC, PTRACE_O_TRACEVFORKDONE) (PTRACE_O_TRACEEXIT, PTRACE_EVENT_FORK, PTRACE_EVENT_VFORK) (PTRACE_EVENT_CLONE, PTRACE_EVENT_EXEC, PTRACE_EVENT_VFORK_DONE) (PTRACE_EVENT_EXIT, __WALL): Provide default definitions. (stopped_pids, thread_db_active, must_set_ptrace_flags): New variables. (using_threads): Always set to 1. (handle_extended_wait): New. (add_process): Do not set TID. (linux_create_inferior): Set must_set_ptrace_flags. (linux_attach_lwp): Remove TID argument. Do not check using_threads. Use PTRACE_SETOPTIONS. Call new_thread_notify. Update all callers. (linux_thread_alive): Rename TID argument to LWPID. (linux_wait_for_process): Handle unknown processes. Do not use TID. (linux_wait_for_event): Do not use TID or check using_threads. Update call to dead_thread_notify. Call handle_extended_wait. (linux_create_inferior): Use PTRACE_SETOPTIONS. (send_sigstop): Delete sigstop_sent. (wait_for_sigstop): Avoid TID. (linux_supports_tracefork_flag, linux_tracefork_child, my_waitpid) (linux_test_for_tracefork): New. (linux_lookup_signals): Use thread_db_active and linux_supports_tracefork_flag. (initialize_low): Use thread_db_active and linux_test_for_tracefork. * linux-low.h (get_process_thread): Avoid TID. (struct process_ifo): Move thread_known and tid to the end. Remove sigstop_sent. (linux_attach_lwp, thread_db_init): Update prototypes. * server.h (change_inferior_id): Delete prototype. (add_pid_to_list, pull_pid_from_list): New prototypes. * thread-db.c (thread_db_use_events): New. (find_first_thread): Rename to... (find_one_thread): ...this. Update callers and messages. Do not call fatal. Check thread_db_use_events. Do not call change_inferior_id or new_thread_notify. (maybe_attach_thread): Update. Do not call new_thread_notify. (thread_db_init): Set thread_db_use_events. Check use_events. * utils.c (fatal, warning): Correct message prefix.
98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/* General utility routines for the remote server for GDB.
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Copyright (C) 1986, 1989, 1993, 1995, 1996, 1997, 1999, 2000, 2002, 2003,
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2007 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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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,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "server.h"
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#if HAVE_ERRNO_H
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#include <errno.h>
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#endif
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#if HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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/* Generally useful subroutines used throughout the program. */
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/* Print the system error message for errno, and also mention STRING
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as the file name for which the error was encountered.
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Then return to command level. */
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void
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perror_with_name (char *string)
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{
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const char *err;
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char *combined;
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err = strerror (errno);
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if (err == NULL)
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err = "unknown error";
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combined = (char *) alloca (strlen (err) + strlen (string) + 3);
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strcpy (combined, string);
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strcat (combined, ": ");
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strcat (combined, err);
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error ("%s.", combined);
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}
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/* Print an error message and return to command level.
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STRING is the error message, used as a fprintf string,
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and ARG is passed as an argument to it. */
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void
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error (const char *string,...)
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{
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extern jmp_buf toplevel;
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va_list args;
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va_start (args, string);
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fflush (stdout);
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vfprintf (stderr, string, args);
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fprintf (stderr, "\n");
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longjmp (toplevel, 1);
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}
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/* Print an error message and exit reporting failure.
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This is for a error that we cannot continue from.
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STRING and ARG are passed to fprintf. */
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/* VARARGS */
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void
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fatal (const char *string,...)
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{
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va_list args;
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va_start (args, string);
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fprintf (stderr, "gdbserver: ");
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vfprintf (stderr, string, args);
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fprintf (stderr, "\n");
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va_end (args);
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exit (1);
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}
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/* VARARGS */
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void
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warning (const char *string,...)
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{
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va_list args;
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va_start (args, string);
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fprintf (stderr, "gdbserver: ");
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vfprintf (stderr, string, args);
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fprintf (stderr, "\n");
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va_end (args);
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}
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