add asynchronous inter-thread notification API

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1402 fefdeb5f-60dc-0310-8127-8f9354f1896f

src/pulsecore/anotify.h

@@ -0,0 +1,38 @@
+#ifndef foopulseanotifyhfoo
+#define foopulseanotifyhfoo
+
+/* $Id$ */
+
+/***
+  This file is part of PulseAudio.
+ 
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as
+  published by the Free Software Foundation; either version 2 of the
+  License, or (at your option) any later version.
+ 
+  PulseAudio 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 Lesser General Public
+  License along with PulseAudio; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+/* Asynchronous thread-safe notification of mainloops */
+
+
+#include <inttypes.h>
+#include <pulse/mainloop-api.h>
+
+typedef struct pa_anotify pa_anotify;
+typedef void (*pa_anotify_cb_t)(uint8_t event, void *userdata);
+
+pa_anotify *pa_anotify_new(pa_mainloop_api*api, pa_anotify_cb_t cb, void *userdata);
+void pa_anotify_free(pa_anotify *a);
+int pa_anotify_signal(pa_anotify *a, uint8_t event);
+
+#endif