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Fall back on sa_handler if sa_sigaction doesn't work

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Original commit message from CVS:
Fall back on sa_handler if sa_sigaction doesn't work
This commit is contained in:
David Schleef 2003-04-13 21:11:12 +00:00
parent 0861d0b7fe
commit 3639eab50e
2 changed files with 44 additions and 6 deletions
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2
common

@ -1 +1 @@
Subproject commit 0ce4bbf0bc51c08694a8a1e0bec7624094b043d6 Subproject commit ed429334bba35b10172ba97d9b3795b75a65b388

48
tools/gst-launch.c
View file

@ -110,12 +110,38 @@ xmllaunch_parse_cmdline (const gchar **argv)
extern volatile gboolean glib_on_error_halt; extern volatile gboolean glib_on_error_halt;
static void fault_restore(void); static void fault_restore(void);
static void fault_spin (void);
/* FIXME: This is just a temporary hack. We should have a better
* check for siginfo handling. */
#ifdef SA_SIGINFO
#define USE_SIGINFO
#endif
#ifndef USE_SIGINFO
static void
fault_handler_sighandler (int signum)
{
fault_restore ();
if (signum == SIGSEGV) {
g_print ("Caught SIGSEGV\n");
}
else if (signum == SIGQUIT){
g_print ("Caught SIGQUIT\n");
}
else {
g_print ("signo: %d\n", signum);
}
fault_spin();
}
#else
static void static void
fault_handler (int signum, siginfo_t *si, void *misc) fault_handler_sigaction (int signum, siginfo_t *si, void *misc)
{ {
int spinning = TRUE;
fault_restore (); fault_restore ();
if (si->si_signo == SIGSEGV) { if (si->si_signo == SIGSEGV) {
@ -130,6 +156,15 @@ fault_handler (int signum, siginfo_t *si, void *misc)
g_print ("code: %d\n", si->si_code); g_print ("code: %d\n", si->si_code);
} }
fault_spin();
}
#endif
static void
fault_spin (void)
{
int spinning = TRUE;
glib_on_error_halt = FALSE; glib_on_error_halt = FALSE;
g_on_error_stack_trace ("gst-launch"); g_on_error_stack_trace ("gst-launch");
@ -151,7 +186,6 @@ fault_handler (int signum, siginfo_t *si, void *misc)
_exit(0); _exit(0);
#endif #endif
} }
static void static void
@ -172,8 +206,12 @@ fault_setup (void)
struct sigaction action; struct sigaction action;
memset (&action, 0, sizeof (action)); memset (&action, 0, sizeof (action));
action.sa_sigaction = fault_handler; #ifdef USE_SIGINFO
action.sa_sigaction = fault_handler_sigaction;
action.sa_flags = SA_SIGINFO; action.sa_flags = SA_SIGINFO;
#else
action.sa_handler = fault_handler_sighandler;
#endif
sigaction (SIGSEGV, &action, NULL); sigaction (SIGSEGV, &action, NULL);
sigaction (SIGQUIT, &action, NULL); sigaction (SIGQUIT, &action, NULL);