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/* vim:ts=8:sts=8:sw=4:noai:noexpandtab
*
* Dump back trace to stderr and try gdb.
*
* Copyright (c) 2006-2007 Miru Limited.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef CONFIG_HAVE_BACKTRACE
# include <stdio.h>
# include <execinfo.h>
# include <sys/types.h>
# include <unistd.h>
#endif
#include <stdlib.h>
#include <glib.h>
#include <pgm/backtrace.h>
void
on_sigsegv (
G_GNUC_UNUSED int signum
)
{
#ifdef CONFIG_HAVE_BACKTRACE
void* array[256];
char** names;
char cmd[1024];
int i, size;
gchar *out, *err;
gint exit_status;
fprintf (stderr, "\n======= Backtrace: =========\n");
size = backtrace (array, G_N_ELEMENTS(array));
names = backtrace_symbols (array, size);
for (i = 0; i < size; i++)
fprintf (stderr, "%s\n", names[i]);
free (names);
fflush (stderr);
sprintf (cmd, "gdb --ex 'attach %ld' --ex 'info threads' --ex 'thread apply all bt' --batch", (long)getpid ());
if ( g_spawn_command_line_sync (cmd, &out, &err, &exit_status, NULL) )
{
fprintf (stderr, "======= GDB Backtrace: =========\n");
fprintf (stderr, "%s\n", out);
}
#endif /* CONFIG_HAVE_BACKTRACE */
abort ();
}
/* eof */
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