mpd/src/sig_handlers.c

79 lines
2.0 KiB
C

/* the Music Player Daemon (MPD)
* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
* (c) 2004 Nick Welch (mack@incise.org)
* This project's homepage is: http://www.musicpd.org
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "sig_handlers.h"
#ifndef WIN32
#include "log.h"
#include "main.h"
#include "event_pipe.h"
#include <glib.h>
#include <sys/signal.h>
#include <errno.h>
#include <string.h>
static void exit_signal_handler(G_GNUC_UNUSED int signum)
{
g_main_loop_quit(main_loop);
}
static void reload_signal_handler(G_GNUC_UNUSED int signum)
{
event_pipe_emit_fast(PIPE_EVENT_RELOAD);
}
static void
x_sigaction(int signum, const struct sigaction *act)
{
if (sigaction(signum, act, NULL) < 0)
g_error("sigaction() failed: %s", strerror(errno));
}
static void
handle_reload_event(void)
{
DEBUG("got SIGHUP, rereading DB\n");
cycle_log_files();
}
#endif
void initSigHandlers(void)
{
#ifndef WIN32
struct sigaction sa;
sa.sa_flags = 0;
sigemptyset(&sa.sa_mask);
sa.sa_handler = SIG_IGN;
while (sigaction(SIGPIPE, &sa, NULL) < 0 && errno == EINTR) ;
sa.sa_handler = exit_signal_handler;
x_sigaction(SIGINT, &sa);
x_sigaction(SIGTERM, &sa);
event_pipe_register(PIPE_EVENT_RELOAD, handle_reload_event);
sa.sa_handler = reload_signal_handler;
x_sigaction(SIGHUP, &sa);
#endif
}