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Let iOS use OSAtomicCompareAndSwap32Barrier() if nothing else is available.

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Ryan C. Gordon 2011-10-16 03:02:46 -04:00
parent 4ff67de178
commit 5a652760ab
1 changed files with 1 additions and 1 deletions
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2
src/atomic/SDL_spinlock.c
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@ -81,7 +81,7 @@ SDL_AtomicTryLock(SDL_SpinLock *lock)
: "=r" (result) : "r" (lock), "0" (1) : "cc", "memory"); : "=r" (result) : "r" (lock), "0" (1) : "cc", "memory");
return (result == 0); return (result == 0);
#elif defined(__MACOSX__) #elif defined(__MACOSX__) || defined(__IPHONEOS__)
/* Maybe used for PowerPC, but the Intel asm or gcc atomics are favored. */ /* Maybe used for PowerPC, but the Intel asm or gcc atomics are favored. */
return OSAtomicCompareAndSwap32Barrier(0, 1, lock); return OSAtomicCompareAndSwap32Barrier(0, 1, lock);