mutter: Add signal handlers

With the introduction of MetaContext, the responsibility for handling
signals was changed to the application (e.g. GNOME Shell) using
libmutter. What wasn't fixed was making the stand-alone mutter do the
equivalent as well. This commit fixes this.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2007>
This commit is contained in:
Jonas Ådahl 2021-09-20 09:02:49 +02:00 committed by Marge Bot
parent 4d342c8e06
commit fca9010963

View File

@ -21,6 +21,7 @@
#include <glib.h>
#include <glib/gi18n-lib.h>
#include <glib-unix.h>
#include <stdlib.h>
#include "compositor/meta-plugin-manager.h"
@ -56,6 +57,37 @@ GOptionEntry mutter_options[] = {
{ NULL }
};
static gboolean
on_sigterm (gpointer user_data)
{
MetaContext *context = META_CONTEXT (user_data);
meta_context_terminate (context);
return G_SOURCE_REMOVE;
}
static void
init_signal_handlers (MetaContext *context)
{
struct sigaction act = { 0 };
sigset_t empty_mask;
sigemptyset (&empty_mask);
act.sa_handler = SIG_IGN;
act.sa_mask = empty_mask;
act.sa_flags = 0;
if (sigaction (SIGPIPE, &act, NULL) < 0)
g_warning ("Failed to register SIGPIPE handler: %s", g_strerror (errno));
#ifdef SIGXFSZ
if (sigaction (SIGXFSZ, &act, NULL) < 0)
g_warning ("Failed to register SIGXFSZ handler: %s", g_strerror (errno));
#endif
g_unix_signal_add (SIGTERM, on_sigterm, context);
}
int
main (int argc, char **argv)
{
@ -73,6 +105,8 @@ main (int argc, char **argv)
meta_context_set_plugin_name (context, plugin);
init_signal_handlers (context);
if (!meta_context_setup (context, &error))
{
g_printerr ("Failed to setup: %s", error->message);