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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <signal.h>
#include <glib-object.h>
#include "libgimpbase/gimpbase.h"
#include "core/core-types.h"
#include "errors.h"
#include "signals.h"
#ifndef G_OS_WIN32
static void gimp_sigfatal_handler (gint sig_num) G_GNUC_NORETURN;
#endif
void
gimp_init_signal_handlers (GimpStackTraceMode stack_trace_mode)
{
#ifndef G_OS_WIN32
/* No use catching these on Win32, the user won't get any stack
* trace from glib anyhow. It's better to let Windows inform about
* the program error, and offer debugging (if the user has installed
* MSVC or some other compiler that knows how to install itself as a
* handler for program errors).
*/
/* Handle fatal signals */
/* these are handled by gimp_terminate() */
gimp_signal_private (SIGHUP, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGINT, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGQUIT, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGABRT, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGTERM, gimp_sigfatal_handler, 0);
if (stack_trace_mode != GIMP_STACK_TRACE_NEVER)
{
/* these are handled by gimp_fatal_error() */
gimp_signal_private (SIGBUS, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGSEGV, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGFPE, gimp_sigfatal_handler, 0);
}
/* Ignore SIGPIPE because plug_in.c handles broken pipes */
gimp_signal_private (SIGPIPE, SIG_IGN, 0);
/* Restart syscalls on SIGCHLD */
gimp_signal_private (SIGCHLD, SIG_DFL, SA_RESTART);
#endif /* ! G_OS_WIN32 */
}
#ifndef G_OS_WIN32
/* gimp core signal handler for fatal signals */
static void
gimp_sigfatal_handler (gint sig_num)
{
switch (sig_num)
{
case SIGHUP:
case SIGINT:
case SIGQUIT:
case SIGABRT:
case SIGTERM:
gimp_terminate (g_strsignal (sig_num));
break;
case SIGBUS:
case SIGSEGV:
case SIGFPE:
default:
gimp_fatal_error (g_strsignal (sig_num));
break;
}
}
#endif /* ! G_OS_WIN32 */
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