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Implement hb_atomic_int_set() for OS X

This commit is contained in:
Behdad Esfahbod 2012-05-17 22:02:08 -04:00
parent 022a05ae90
commit bd908b4f10
1 changed files with 2 additions and 0 deletions
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2
src/hb-atomic-private.hh
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@ -56,6 +56,8 @@ 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))