Commit 0efa83ac authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont
Browse files

signal handling interface

parent 19091cce
......@@ -1320,6 +1320,7 @@ if test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"; then
VLC_ADD_PLUGIN([screensaver])
VLC_ADD_PLUGIN([motion])
VLC_ADD_PLUGIN([dynamicoverlay])
VLC_ADD_PLUGIN([signals])
elif test "${SYS}" != "mingwce"; then
VLC_ADD_PLUGIN([ntservice])
VLC_ADD_PLUGIN([access_smb])
......
......@@ -8,6 +8,7 @@ SOURCES_hotkeys = hotkeys.c
SOURCES_lirc = lirc.c
SOURCES_rc = rc.c
SOURCES_dbus = dbus.c dbus.h
SOURCES_signals = signals.c
if HAVE_DARWIN
motion_extra = unimotion.c unimotion.h
else
......@@ -17,4 +18,3 @@ SOURCES_motion = \
motion.c \
$(motion_extra) \
$(NULL)
/*****************************************************************************
* signals.c : signals handler module for vlc
*****************************************************************************
* Copyright (C) 2008 Rémi Denis-Courmont
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <pthread.h>
#include <signal.h>
#include <time.h>
#include <vlc/vlc.h>
#include <vlc_plugin.h>
#include <vlc_interface.h>
static int Open (vlc_object_t *);
static void Close (vlc_object_t *);
static void Run (intf_thread_t *);
static void *SigThread (void *);
vlc_module_begin ();
set_shortname (N_("Signals"));
set_category (CAT_INTERFACE);
set_subcategory (SUBCAT_INTERFACE_CONTROL);
set_description (N_("POSIX signals handling interface"));
set_capability ("interface", 0);
set_callbacks (Open, Close);
vlc_module_end ();
struct intf_sys_t
{
pthread_t thread;
int signum;
};
static int Open (vlc_object_t *obj)
{
intf_thread_t *intf = (intf_thread_t *)obj;
intf_sys_t *p_sys = malloc (sizeof (*p_sys));
if (p_sys == NULL)
return VLC_ENOMEM;
p_sys->signum = 0;
intf->p_sys = p_sys;
if (pthread_create (&p_sys->thread, NULL, SigThread, obj))
{
free (p_sys);
intf->p_sys = NULL;
return VLC_ENOMEM;
}
intf->pf_run = Run;
return 0;
}
static void Close (vlc_object_t *obj)
{
intf_thread_t *intf = (intf_thread_t *)obj;
intf_sys_t *p_sys = intf->p_sys;
pthread_cancel (p_sys->thread);
pthread_join (p_sys->thread, NULL);
free (p_sys);
}
static void *SigThread (void *data)
{
intf_thread_t *obj = data;
intf_sys_t *p_sys = obj->p_sys;
sigset_t set;
sigemptyset (&set);
sigaddset (&set, SIGHUP);
sigaddset (&set, SIGINT);
sigaddset (&set, SIGQUIT);
sigaddset (&set, SIGTERM);
sigaddset (&set, SIGCHLD);
for (;;)
{
int signum;
sigwait (&set, &signum);
vlc_object_lock (obj);
p_sys->signum = signum;
vlc_object_signal_unlocked (obj);
vlc_object_unlock (obj);
}
}
static void Run (intf_thread_t *obj)
{
intf_sys_t *p_sys = obj->p_sys;
vlc_object_lock (obj);
do
{
switch (p_sys->signum)
{
case SIGINT:
case SIGHUP:
case SIGTERM:
case SIGQUIT:
msg_Err (obj, "Caught %s signal, exiting...",
strsignal (p_sys->signum));
goto out;
}
}
while (!vlc_object_wait (obj));
out:
vlc_object_unlock (obj);
vlc_object_kill (obj->p_libvlc);
}
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