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gst/gstplugin.c: Restore the previous signal handler for SIGSEGV instead of setting to default, since we may have sto...

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Original commit message from CVS:
* gst/gstplugin.c:
Restore the previous signal handler for SIGSEGV instead of
setting to default, since we may have stolen it away from
someone.  (i.e., Mono)
This commit is contained in:
David Schleef 2007-01-02 06:14:06 +00:00
parent 24e12f3c9c
commit b7e4487952
2 changed files with 15 additions and 8 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2007-01-01 David Schleef <ds@schleef.org>
* gst/gstplugin.c:
Restore the previous signal handler for SIGSEGV instead of
setting to default, since we may have stolen it away from
someone. (i.e., Mono)
2006-12-26 Tim-Philipp Müller <tim at centricular dot net> 2006-12-26 Tim-Philipp Müller <tim at centricular dot net>
* docs/random/draft-missing-plugins.txt: * docs/random/draft-missing-plugins.txt:

16
gst/gstplugin.c
View file

@ -270,6 +270,8 @@ gst_plugin_register_func (GstPlugin * plugin, GModule * module,
} }
#ifndef HAVE_WIN32 #ifndef HAVE_WIN32
static struct sigaction oldaction;
/* /*
* _gst_plugin_fault_handler_restore: * _gst_plugin_fault_handler_restore:
* segfault handler restorer * segfault handler restorer
@ -277,16 +279,12 @@ gst_plugin_register_func (GstPlugin * plugin, GModule * module,
static void static void
_gst_plugin_fault_handler_restore (void) _gst_plugin_fault_handler_restore (void)
{ {
struct sigaction action; if (!_gst_plugin_fault_handler_is_setup)
/* if asked to leave segfaults alone, just return */
if (_gst_disable_segtrap)
return; return;
memset (&action, 0, sizeof (action)); _gst_plugin_fault_handler_is_setup = FALSE;
action.sa_handler = SIG_DFL;
sigaction (SIGSEGV, &action, NULL); sigaction (SIGSEGV, &oldaction, NULL);
} }
/* /*
@ -331,10 +329,12 @@ _gst_plugin_fault_handler_setup (void)
if (_gst_plugin_fault_handler_is_setup) if (_gst_plugin_fault_handler_is_setup)
return; return;
_gst_plugin_fault_handler_is_setup = TRUE;
memset (&action, 0, sizeof (action)); memset (&action, 0, sizeof (action));
action.sa_handler = _gst_plugin_fault_handler_sighandler; action.sa_handler = _gst_plugin_fault_handler_sighandler;
sigaction (SIGSEGV, &action, NULL); sigaction (SIGSEGV, &action, &oldaction);
} }
#else #else
static void static void