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authorMax Kellermann <max@duempel.org>2013-01-09 23:12:53 +0100
committerMax Kellermann <max@duempel.org>2013-01-09 23:31:43 +0100
commit26ebfc04b0668262976ec4fc38d8780c0937045a (patch)
tree9bbb7825ea5299c9ebd5ed0343e92da70d0012b6 /src/GlobalEvents.hxx
parent8782f6d232e43f1424e64c5c1f44d11679cf9c6e (diff)
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EventPipe: rename to GlobalEvents
Diffstat (limited to 'src/GlobalEvents.hxx')
-rw-r--r--src/GlobalEvents.hxx70
1 files changed, 70 insertions, 0 deletions
diff --git a/src/GlobalEvents.hxx b/src/GlobalEvents.hxx
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+/*
+ * 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 */