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/*
 * Copyright (C) 2003-2011 The Music Player Daemon Project
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include "config.h"
#include "SignalHandlers.hxx"
#include "event/SignalMonitor.hxx"

#ifndef WIN32

#include "Log.hxx"
#include "Main.hxx"
#include "event/Loop.hxx"
#include "GlobalEvents.hxx"
#include "system/FatalError.hxx"

#include <glib.h>

#include <signal.h>

static EventLoop *shutdown_loop;

static void
HandleShutdownSignal()
{
	shutdown_loop->Break();
}

static void
x_sigaction(int signum, const struct sigaction *act)
{
	if (sigaction(signum, act, NULL) < 0)
		FatalSystemError("sigaction() failed");
}

static void
handle_reload_event(void)
{
	g_debug("got SIGHUP, reopening log files");
	cycle_log_files();
}

#endif

void
SignalHandlersInit(EventLoop &loop)
{
	SignalMonitorInit(loop);

#ifndef WIN32
	struct sigaction sa;

	sa.sa_flags = 0;
	sigemptyset(&sa.sa_mask);
	sa.sa_handler = SIG_IGN;
	x_sigaction(SIGPIPE, &sa);

	shutdown_loop = &loop;
	SignalMonitorRegister(SIGINT, HandleShutdownSignal);
	SignalMonitorRegister(SIGTERM, HandleShutdownSignal);

	SignalMonitorRegister(SIGHUP, handle_reload_event);
#endif
}

void
SignalHandlersFinish()
{
	SignalMonitorFinish();
}