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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.
*/
#ifndef EVENT_PIPE_H
#define EVENT_PIPE_H
enum pipe_event {
/** database update was finished */
PIPE_EVENT_UPDATE,
/** during database update, a song was deleted */
PIPE_EVENT_DELETE,
/** an idle event was emitted */
PIPE_EVENT_IDLE,
/** must call playlist_sync() */
PIPE_EVENT_PLAYLIST,
/** the current song's tag has changed */
PIPE_EVENT_TAG,
/** SIGHUP received: reload configuration, roll log file */
PIPE_EVENT_RELOAD,
/** a hardware mixer plugin has detected a change */
PIPE_EVENT_MIXER,
/** shutdown requested */
PIPE_EVENT_SHUTDOWN,
PIPE_EVENT_MAX
};
typedef void (*event_pipe_callback_t)(void);
void event_pipe_init(void);
void event_pipe_deinit(void);
void
event_pipe_register(enum pipe_event event, event_pipe_callback_t callback);
void event_pipe_emit(enum pipe_event event);
/**
* Similar to event_pipe_emit(), but aimed for use in signal handlers:
* it doesn't lock the mutex, and doesn't log on error. That makes it
* potentially lossy, but for its intended use, that does not matter.
*/
void event_pipe_emit_fast(enum pipe_event event);
#endif /* MAIN_NOTIFY_H */
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