1 /*****************************************************************************
2 * signals.c : signals handler module for vlc
3 *****************************************************************************
4 * Copyright (C) 2008 RĂ©mi Denis-Courmont
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
19 *****************************************************************************/
28 #include <vlc_common.h>
29 #include <vlc_plugin.h>
30 #include <vlc_interface.h>
32 static int Open (vlc_object_t *);
33 static void Close (vlc_object_t *);
34 static void *SigThread (void *);
37 set_shortname (N_("Signals"));
38 set_category (CAT_INTERFACE);
39 set_subcategory (SUBCAT_INTERFACE_CONTROL);
40 set_description (N_("POSIX signals handling interface"));
41 set_capability ("interface", 0);
42 set_callbacks (Open, Close);
50 static int Open (vlc_object_t *obj)
52 intf_thread_t *intf = (intf_thread_t *)obj;
53 intf_sys_t *p_sys = malloc (sizeof (*p_sys));
60 if (vlc_clone (&p_sys->thread, SigThread, obj, VLC_THREAD_PRIORITY_LOW))
71 static void Close (vlc_object_t *obj)
73 intf_thread_t *intf = (intf_thread_t *)obj;
74 intf_sys_t *p_sys = intf->p_sys;
76 vlc_cancel (p_sys->thread);
78 /* In Mac OS X up to 10.5 sigwait (among others) is not a pthread
79 * cancellation point, so we throw a dummy quit signal to end
80 * sigwait() in the sigth thread */
81 pthread_kill (p_sys->thread, SIGQUIT);
83 vlc_join (p_sys->thread, NULL);
87 static void *SigThread (void *data)
89 intf_thread_t *obj = data;
93 sigaddset (&set, SIGHUP);
94 sigaddset (&set, SIGINT);
95 sigaddset (&set, SIGQUIT);
96 sigaddset (&set, SIGTERM);
98 sigaddset (&set, SIGCHLD);
104 sigwait (&set, &signum);
107 /* In Mac OS X up to 10.5 sigwait (among others) is not a pthread
108 * cancellation point */
118 msg_Err (obj, "Caught %s signal, exiting...",
120 vlc_object_kill (obj->p_libvlc);