bluetooth: Remove redundant assignments

[pulseaudio] / src / pulsecore / semaphore.h

diff --git a/src/pulsecore/semaphore.h b/src/pulsecore/semaphore.h
index c394e0f2f5ccfdae266bcdb8575183f66ff7ef42..2bf81496e0ccded92fc96e0b899833ca96ac4ac0 100644 (file)
--- a/src/pulsecore/semaphore.h
+++ b/src/pulsecore/semaphore.h
@@ -1,8 +1,6 @@
 #ifndef foopulsesemaphorehfoo
 #define foopulsesemaphorehfoo
 
-/* $Id$ */
-
 /***
   This file is part of PulseAudio.
 
@@ -10,7 +8,7 @@
 
   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
+  published by the Free Software Foundation; either version 2.1 of the
   License, or (at your option) any later version.
 
   PulseAudio is distributed in the hope that it will be useful, but
@@ -24,6 +22,9 @@
   USA.
 ***/
 
+#include <pulsecore/macro.h>
+#include <pulsecore/atomic.h>
+
 typedef struct pa_semaphore pa_semaphore;
 
 pa_semaphore* pa_semaphore_new(unsigned value);
@@ -32,4 +33,16 @@ void pa_semaphore_free(pa_semaphore *m);
 void pa_semaphore_post(pa_semaphore *m);
 void pa_semaphore_wait(pa_semaphore *m);
 
+/* Static semaphores are basically just atomically updated pointers to
+ * pa_semaphore objects */
+
+typedef struct pa_static_semaphore {
+    pa_atomic_ptr_t ptr;
+} pa_static_semaphore;
+
+#define PA_STATIC_SEMAPHORE_INIT { PA_ATOMIC_PTR_INIT(NULL) }
+
+/* When you call this make sure to pass always the same value parameter! */
+pa_semaphore* pa_static_semaphore_get(pa_static_semaphore *m, unsigned value);
+
 #endif