X-Git-Url: https://code.delx.au/pulseaudio/blobdiff_plain/ff38eaf67773e0039befb95c0f9ad91e7a06fc3f..ac76dbde6312b8052b80ce0239ef9443cfb27e1f:/src/pulsecore/mutex.h

diff --git a/src/pulsecore/mutex.h b/src/pulsecore/mutex.h
index a4dd6738..b1edc132 100644
--- a/src/pulsecore/mutex.h
+++ b/src/pulsecore/mutex.h
@@ -46,10 +46,14 @@ void pa_cond_free(pa_cond *c);
 void pa_cond_signal(pa_cond *c, int broadcast);
 int pa_cond_wait(pa_cond *c, pa_mutex *m);
 
+/* Static mutexes are basically just atomically updated pointers to pa_mutex objects */
+
 typedef struct pa_static_mutex {
     pa_atomic_ptr_t ptr;
 } pa_static_mutex;
 
+#define PA_STATIC_MUTEX_INIT { PA_ATOMIC_PTR_INIT(NULL) }
+
 pa_mutex* pa_static_mutex_get(pa_static_mutex *m, pa_bool_t recursive, pa_bool_t inherit_priority);
 
 #endif