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--- src/sound/pa_ringbuffer.c.orig 2013-11-11 16:33:41 UTC
+++ src/sound/pa_ringbuffer.c
@@ -72,12 +72,13 @@
****************/
#if defined(__APPLE__) || defined(__FreeBSD__)
-# include <libkern/OSAtomic.h>
+# include <sys/types.h>
+# include <machine/atomic.h>
/* Here are the memory barrier functions. Mac OS X and FreeBSD only provide
full memory barriers, so the three types of barriers are the same. */
-# define PaUtil_FullMemoryBarrier() OSMemoryBarrier()
-# define PaUtil_ReadMemoryBarrier() OSMemoryBarrier()
-# define PaUtil_WriteMemoryBarrier() OSMemoryBarrier()
+# define PaUtil_FullMemoryBarrier() mb()
+# define PaUtil_ReadMemoryBarrier() rmb()
+# define PaUtil_WriteMemoryBarrier() wmb()
#elif defined(__GNUC__)
/* GCC understands volatile asm and "memory" to mean it
* should not reorder memory read/writes */
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