X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=include%2Fvlc_threads.h;h=f025faef5b8737dfea109b3a4eb760df376e4c96;hb=caf6188518644f20b84536fca5af932de98ecd02;hp=c3c8b4fe9c56519d5605bb8032cc45df60c44ff0;hpb=fbb8255dcf8ced858d59927cb17c4f577a8d9c15;p=vlc

diff --git a/include/vlc_threads.h b/include/vlc_threads.h
index c3c8b4fe9c..f025faef5b 100644
--- a/include/vlc_threads.h
+++ b/include/vlc_threads.h
@@ -58,12 +58,12 @@
 
 /* Thread priorities */
 #ifdef __APPLE__
-#   define VLC_THREAD_PRIORITY_LOW (-47)
-#   define VLC_THREAD_PRIORITY_INPUT 37
-#   define VLC_THREAD_PRIORITY_AUDIO 37
-#   define VLC_THREAD_PRIORITY_VIDEO (-47)
-#   define VLC_THREAD_PRIORITY_OUTPUT 37
-#   define VLC_THREAD_PRIORITY_HIGHEST 37
+#   define VLC_THREAD_PRIORITY_LOW      0
+#   define VLC_THREAD_PRIORITY_INPUT   22
+#   define VLC_THREAD_PRIORITY_AUDIO   22
+#   define VLC_THREAD_PRIORITY_VIDEO    0
+#   define VLC_THREAD_PRIORITY_OUTPUT  22
+#   define VLC_THREAD_PRIORITY_HIGHEST 22
 
 #elif defined(SYS_BEOS)
 #   define VLC_THREAD_PRIORITY_LOW 5
@@ -171,9 +171,10 @@ VLC_EXPORT( int, vlc_threadvar_create, (vlc_threadvar_t * , void (*) (void *) )
 VLC_EXPORT( void, vlc_threadvar_delete, (vlc_threadvar_t *) );
 VLC_EXPORT( int,  __vlc_thread_create, ( vlc_object_t *, const char *, int, const char *, void * ( * ) ( void * ), int, bool ) );
 VLC_EXPORT( int,  __vlc_thread_set_priority, ( vlc_object_t *, const char *, int, int ) );
-VLC_EXPORT( void, __vlc_thread_ready,  ( vlc_object_t * ) );
 VLC_EXPORT( void, __vlc_thread_join,   ( vlc_object_t *, const char *, int ) );
 
+#define vlc_thread_ready vlc_object_signal
+
 /*****************************************************************************
  * vlc_mutex_lock: lock a mutex
  *****************************************************************************/
@@ -559,6 +560,31 @@ static inline int vlc_spin_init (vlc_spinlock_t *spin)
 # define vlc_spin_destroy vlc_mutex_destroy
 #endif
 
+/**
+ * Issues a full memory barrier.
+ */
+#if defined (__APPLE__)
+# include <libkern/OSAtomic.h> /* OSMemoryBarrier() */
+#endif
+static inline void barrier (void)
+{
+#if defined (__GNUC__) && (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)
+    __sync_synchronize ();
+#elif defined(__APPLE__)
+    OSMemoryBarrier ();
+#elif defined(__powerpc__)
+    asm volatile ("sync":::"memory");
+#elif defined(__i386__)
+    asm volatile ("mfence":::"memory");
+#elif defined (LIBVLC_USE_PTHREAD)
+    static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
+    pthread_mutex_lock (&lock);
+    pthread_mutex_unlock (&lock);
+#else
+# error barrier not implemented!
+#endif
+}
+
 /*****************************************************************************
  * vlc_thread_create: create a thread
  *****************************************************************************/
@@ -571,12 +597,6 @@ static inline int vlc_spin_init (vlc_spinlock_t *spin)
 #define vlc_thread_set_priority( P_THIS, PRIORITY )                         \
     __vlc_thread_set_priority( VLC_OBJECT(P_THIS), __FILE__, __LINE__, PRIORITY )
 
-/*****************************************************************************
- * vlc_thread_ready: tell the parent thread we were successfully spawned
- *****************************************************************************/
-#define vlc_thread_ready( P_THIS )                                          \
-    __vlc_thread_ready( VLC_OBJECT(P_THIS) )
-
 /*****************************************************************************
  * vlc_thread_join: wait until a thread exits
  *****************************************************************************/