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Cleanup atomic ops on OS X

This commit is contained in:
Behdad Esfahbod 2012-05-27 10:20:47 -04:00
parent e4b6d503c5
commit a3547330fa
1 changed files with 3 additions and 4 deletions
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7
src/hb-atomic-private.hh
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@ -55,10 +55,9 @@ typedef long hb_atomic_int_t;
#include <libkern/OSAtomic.h>
typedef int32_t hb_atomic_int_t;
#define hb_atomic_int_add(AI, V) (OSAtomicAdd32Barrier((V), &(AI)), (AI) - (V))
#define hb_atomic_int_set(AI, V) \
do {} while (!OSAtomicCompareAndSwap32 (hb_atomic_int_get (AI), (V), (&(AI))))
#define hb_atomic_int_get(AI) OSAtomicAdd32Barrier(0, &(AI))
#define hb_atomic_int_add(AI, V) (OSAtomicAdd32Barrier ((V), &(AI)) - (V))
#define hb_atomic_int_set(AI, V) ((AI) = (V), OSMemoryBarrier ())
#define hb_atomic_int_get(AI) (OSMemoryBarrier (), (AI))
#elif !defined(HB_NO_MT) && defined(HAVE_GLIB)