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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
View file

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