From 26ebfc04b0668262976ec4fc38d8780c0937045a Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Wed, 9 Jan 2013 23:12:53 +0100 Subject: EventPipe: rename to GlobalEvents --- src/GlobalEvents.hxx | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 src/GlobalEvents.hxx (limited to 'src/GlobalEvents.hxx') diff --git a/src/GlobalEvents.hxx b/src/GlobalEvents.hxx new file mode 100644 index 00000000..ee977936 --- /dev/null +++ b/src/GlobalEvents.hxx @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2003-2013 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_GLOBAL_EVENTS_HXX +#define MPD_GLOBAL_EVENTS_HXX + +namespace GlobalEvents { + enum Event { + /** database update was finished */ + UPDATE, + + /** during database update, a song was deleted */ + DELETE, + + /** an idle event was emitted */ + IDLE, + + /** must call playlist_sync() */ + PLAYLIST, + + /** the current song's tag has changed */ + TAG, + + /** SIGHUP received: reload configuration, roll log file */ + RELOAD, + + /** a hardware mixer plugin has detected a change */ + MIXER, + + /** shutdown requested */ + SHUTDOWN, + + MAX + }; + + typedef void (*Handler)(); + + void Initialize(); + + void Deinitialize(); + + void Register(Event event, Handler handler); + + void Emit(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 FastEmit(Event event); +} + +#endif /* MAIN_NOTIFY_H */ -- cgit v1.2.3