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2008-12-16 Tristan Gingold <gingold@adacore.com>

Browse source 
* inflow.c: Remove old_sigio, handle_sigio, old_fcntl_flags,
	set_sigio_trap, clear_sigio_trap definitions.
	* inferior.h: Remove set_sigio_trap and clear_sigio_trap declarations.
	* inf-ptrace.c (inf_ptrace_wait): Remove call to set_sigio_trap
	and clear_sigio_trap.
	* inf-ttrace.c (inf_ttrace_wait): Ditto.
	* linux-nat.c (linux_nat_wait): Ditto.
	* spu-linux-nat.c (spu_child_wait): Ditto.
	* rs6000-nat.c (rs6000_wait): Ditto.
	* target.c: Remove target_activity_function and target_activity_fd.
	* target.h: Remove target_activity_function and target_activity_fd
	declarations.
This commit is contained in:
Tristan Gingold 2008-12-16 11:15:58 +00:00
parent 077e0a5242
commit d26b535418
10 changed files with 16 additions and 92 deletions
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15
gdb/ChangeLog
View file

@ -1,3 +1,18 @@
2008-12-16 Tristan Gingold <gingold@adacore.com>
* inflow.c: Remove old_sigio, handle_sigio, old_fcntl_flags,
set_sigio_trap, clear_sigio_trap definitions.
* inferior.h: Remove set_sigio_trap and clear_sigio_trap declarations.
* inf-ptrace.c (inf_ptrace_wait): Remove call to set_sigio_trap
and clear_sigio_trap.
* inf-ttrace.c (inf_ttrace_wait): Ditto.
* linux-nat.c (linux_nat_wait): Ditto.
* spu-linux-nat.c (spu_child_wait): Ditto.
* rs6000-nat.c (rs6000_wait): Ditto.
* target.c: Remove target_activity_function and target_activity_fd.
* target.h: Remove target_activity_function and target_activity_fd
declarations.
2008-12-15 Paul Pluzhnikov <ppluzhnikov@google.com>
* dbxread.c (read_ofile_symtab): Sign-extend 32-bit N_LSYM and

2
gdb/inf-ptrace.c
View file

@ -389,7 +389,6 @@ inf_ptrace_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
do
{
set_sigint_trap ();
set_sigio_trap ();
do
{
@ -398,7 +397,6 @@ inf_ptrace_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
}
while (pid == -1 && errno == EINTR);
clear_sigio_trap ();
clear_sigint_trap ();
if (pid == -1)

2
gdb/inf-ttrace.c
View file

@ -930,7 +930,6 @@ inf_ttrace_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
do
{
set_sigint_trap ();
set_sigio_trap ();
if (ttrace_wait (pid, lwpid, TTRACE_WAITOK, &tts, sizeof tts) == -1)
perror_with_name (("ttrace_wait"));
@ -949,7 +948,6 @@ inf_ttrace_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
tts.tts_event = TTEVT_NONE;
}
clear_sigio_trap ();
clear_sigint_trap ();
}
while (tts.tts_event == TTEVT_NONE);

4
gdb/inferior.h
View file

@ -97,10 +97,6 @@ extern void set_sigint_trap (void);
extern void clear_sigint_trap (void);
extern void set_sigio_trap (void);
extern void clear_sigio_trap (void);
/* Set/get file name for default use for standard in/out in the inferior. */
extern void set_inferior_io_terminal (const char *terminal_name);

62
gdb/inflow.c
View file

@ -651,68 +651,6 @@ clear_sigint_trap (void)
}
}
#if defined (SIGIO) && defined (FASYNC) && defined (FD_SET) && defined (F_SETOWN)
static void (*old_sigio) ();
static void
handle_sigio (int signo)
{
int numfds;
fd_set readfds;
signal (SIGIO, handle_sigio);
FD_ZERO (&readfds);
FD_SET (target_activity_fd, &readfds);
numfds = gdb_select (target_activity_fd + 1, &readfds, NULL, NULL, NULL);
if (numfds >= 0 && FD_ISSET (target_activity_fd, &readfds))
{
#ifndef _WIN32
if ((*target_activity_function) ())
kill (PIDGET (inferior_ptid), SIGINT);
#endif
}
}
static int old_fcntl_flags;
void
set_sigio_trap (void)
{
if (target_activity_function)
{
old_sigio = (void (*)()) signal (SIGIO, handle_sigio);
fcntl (target_activity_fd, F_SETOWN, getpid ());
old_fcntl_flags = fcntl (target_activity_fd, F_GETFL, 0);
fcntl (target_activity_fd, F_SETFL, old_fcntl_flags | FASYNC);
}
}
void
clear_sigio_trap (void)
{
if (target_activity_function)
{
signal (SIGIO, old_sigio);
fcntl (target_activity_fd, F_SETFL, old_fcntl_flags);
}
}
#else /* No SIGIO. */
void
set_sigio_trap (void)
{
if (target_activity_function)
internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
}
void
clear_sigio_trap (void)
{
if (target_activity_function)
internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
}
#endif /* No SIGIO. */
/* Create a new session if the inferior will run in a different tty.
A session is UNIX's way of grouping processes that share a controlling

6
gdb/linux-nat.c
View file

@ -2868,7 +2868,6 @@ retry:
{
/* Causes SIGINT to be passed on to the attached process. */
set_sigint_trap ();
set_sigio_trap ();
}
while (status == 0)
@ -2937,10 +2936,7 @@ retry:
}
if (!target_can_async_p ())
{
clear_sigio_trap ();
clear_sigint_trap ();
}
clear_sigint_trap ();
gdb_assert (lp);

2
gdb/rs6000-nat.c
View file

@ -525,7 +525,6 @@ rs6000_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
do
{
set_sigint_trap ();
set_sigio_trap ();
do
{
@ -534,7 +533,6 @@ rs6000_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
}
while (pid == -1 && errno == EINTR);
clear_sigio_trap ();
clear_sigint_trap ();
if (pid == -1)

2
gdb/spu-linux-nat.c
View file

@ -414,7 +414,6 @@ spu_child_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
{
set_sigint_trap (); /* Causes SIGINT to be passed on to the
attached process. */
set_sigio_trap ();
pid = waitpid (PIDGET (ptid), &status, 0);
if (pid == -1 && errno == ECHILD)
@ -431,7 +430,6 @@ spu_child_wait (ptid_t ptid, struct target_waitstatus *ourstatus)
save_errno = EINTR;
}
clear_sigio_trap ();
clear_sigint_trap ();
}
while (pid == -1 && save_errno == EINTR);

4
gdb/target.c
View file

@ -2475,10 +2475,6 @@ store_waitstatus (struct target_waitstatus *ourstatus, int hoststatus)
}
}
/* Returns zero to leave the inferior alone, one to interrupt it. */
int (*target_activity_function) (void);
int target_activity_fd;
/* Convert a normal process ID to a string. Returns the string in a
static buffer. */

9
gdb/target.h
View file

@ -299,15 +299,6 @@ extern void get_target_memory (struct target_ops *ops, CORE_ADDR addr,
extern ULONGEST get_target_memory_unsigned (struct target_ops *ops,
CORE_ADDR addr, int len);
/* If certain kinds of activity happen, target_wait should perform
callbacks. */
/* Right now we just call (*TARGET_ACTIVITY_FUNCTION) if I/O is possible
on TARGET_ACTIVITY_FD. */
extern int target_activity_fd;
/* Returns zero to leave the inferior alone, one to interrupt it. */
extern int (*target_activity_function) (void);
struct thread_info; /* fwd decl for parameter list below: */
struct target_ops