mpd/src/event/SignalMonitor.hxx

/*
 * Copyright 2003-2021 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.
 */

#ifndef MPD_SOCKET_SIGNAL_MONITOR_HXX
#define MPD_SOCKET_SIGNAL_MONITOR_HXX

class EventLoop;

#ifndef _WIN32

#include "util/BindMethod.hxx"

using SignalHandler = BoundMethod<void() noexcept>;

/**
 * Initialise the signal monitor subsystem.
 *
 * Throws on error.
 */
void
SignalMonitorInit(EventLoop &loop);

/**
 * Deinitialise the signal monitor subsystem.
 */
void
SignalMonitorFinish() noexcept;

/**
 * Register a handler for the specified signal.  The handler will be
 * invoked in a safe context.
 */
void
SignalMonitorRegister(int signo, SignalHandler handler);

#else

static inline void
SignalMonitorInit(EventLoop &)
{
}

static inline void
SignalMonitorFinish() noexcept
{
}

#endif

#endif /* MAIN_NOTIFY_H */