mirror of https://github.com/GNOME/gimp.git
102 lines
2.7 KiB
C
102 lines
2.7 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <signal.h>
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#include <glib-object.h>
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#include "libgimpbase/gimpbase.h"
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#include "core/core-types.h"
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#include "errors.h"
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#include "signals.h"
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#ifndef G_OS_WIN32
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static void gimp_sigfatal_handler (gint sig_num) G_GNUC_NORETURN;
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#endif
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void
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gimp_init_signal_handlers (GimpStackTraceMode stack_trace_mode)
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{
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#ifndef G_OS_WIN32
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/* No use catching these on Win32, the user won't get any stack
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* trace from glib anyhow. It's better to let Windows inform about
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* the program error, and offer debugging (if the user has installed
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* MSVC or some other compiler that knows how to install itself as a
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* handler for program errors).
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*/
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/* Handle fatal signals */
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/* these are handled by gimp_terminate() */
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gimp_signal_private (SIGHUP, gimp_sigfatal_handler, 0);
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gimp_signal_private (SIGINT, gimp_sigfatal_handler, 0);
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gimp_signal_private (SIGQUIT, gimp_sigfatal_handler, 0);
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gimp_signal_private (SIGABRT, gimp_sigfatal_handler, 0);
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gimp_signal_private (SIGTERM, gimp_sigfatal_handler, 0);
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if (stack_trace_mode != GIMP_STACK_TRACE_NEVER)
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{
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/* these are handled by gimp_fatal_error() */
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gimp_signal_private (SIGBUS, gimp_sigfatal_handler, 0);
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gimp_signal_private (SIGSEGV, gimp_sigfatal_handler, 0);
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gimp_signal_private (SIGFPE, gimp_sigfatal_handler, 0);
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}
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/* Ignore SIGPIPE because plug_in.c handles broken pipes */
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gimp_signal_private (SIGPIPE, SIG_IGN, 0);
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/* Restart syscalls on SIGCHLD */
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gimp_signal_private (SIGCHLD, SIG_DFL, SA_RESTART);
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#endif /* ! G_OS_WIN32 */
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}
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#ifndef G_OS_WIN32
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/* gimp core signal handler for fatal signals */
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static void
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gimp_sigfatal_handler (gint sig_num)
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{
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switch (sig_num)
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{
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case SIGHUP:
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case SIGINT:
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case SIGQUIT:
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case SIGABRT:
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case SIGTERM:
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gimp_terminate (g_strsignal (sig_num));
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break;
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case SIGBUS:
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case SIGSEGV:
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case SIGFPE:
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default:
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gimp_fatal_error (g_strsignal (sig_num));
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break;
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}
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}
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#endif /* ! G_OS_WIN32 */
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