return pthread_cond_wait(&c->cond, &m->mutex);
}
+
+pa_mutex* pa_static_mutex_get(pa_static_mutex *s, pa_bool_t recursive, pa_bool_t inherit_priority) {
+ pa_mutex *m;
+
+ pa_assert(s);
+
+ /* First, check if already initialized and short cut */
+ if ((m = pa_atomic_ptr_load(&s->ptr)))
+ return m;
+
+ /* OK, not initialized, so let's allocate, and fill in */
+ m = pa_mutex_new(recursive, inherit_priority);
+ if ((pa_atomic_ptr_cmpxchg(&s->ptr, NULL, m)))
+ return m;
+
+ /* Him, filling in failed, so someone else must have filled in
+ * already */
+ pa_assert_se(m = pa_atomic_ptr_load(&s->ptr));
+ return m;
+}
***/
#include <pulsecore/macro.h>
+#include <pulsecore/atomic.h>
typedef struct pa_mutex pa_mutex;
void pa_cond_signal(pa_cond *c, int broadcast);
int pa_cond_wait(pa_cond *c, pa_mutex *m);
+typedef struct pa_static_mutex {
+ pa_atomic_ptr_t ptr;
+} pa_static_mutex;
+
+pa_mutex* pa_static_mutex_get(pa_static_mutex *m, pa_bool_t recursive, pa_bool_t inherit_priority);
+
#endif