use priority inheritance on mutexes where applicable

git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1837 fefdeb5f-60dc-0310-8127-8f9354f1896f

1 files changed, 7 insertions, 2 deletions

diff --git a/src/pulsecore/mutex-posix.c b/src/pulsecore/mutex-posix.c
index 64f466d9..19e095bb 100644
--- a/src/pulsecore/mutex-posix.c
+++ b/src/pulsecore/mutex-posix.c
@@ -40,15 +40,20 @@ struct pa_cond {
     pthread_cond_t cond;
 };
 
-pa_mutex* pa_mutex_new(int recursive) {
+pa_mutex* pa_mutex_new(pa_bool_t recursive, pa_bool_t inherit_priority) {
     pa_mutex *m;
     pthread_mutexattr_t attr;
 
     pthread_mutexattr_init(&attr);
-
+    
     if (recursive)
         pa_assert_se(pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE) == 0);
 
+#ifdef HAVE_PTHREAD_PRIO_INHERIT
+    if (inherit_priority)
+        pthread_mutexattr_setprotocol(&attr, PTHREAD_PRIO_INHERIT);
+#endif
+
     m = pa_xnew(pa_mutex, 1);
     pa_assert_se(pthread_mutex_init(&m->mutex, &attr) == 0);
     return m;