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

This commit is contained in:
Ryan C. Gordon 2011-10-16 03:02:46 -04:00
parent 4ff67de178
commit 5a652760ab

View file

@ -81,7 +81,7 @@ SDL_AtomicTryLock(SDL_SpinLock *lock)
: "=r" (result) : "r" (lock), "0" (1) : "cc", "memory");
return (result == 0);
#elif defined(__MACOSX__)
#elif defined(__MACOSX__) || defined(__IPHONEOS__)
/* Maybe used for PowerPC, but the Intel asm or gcc atomics are favored. */
return OSAtomicCompareAndSwap32Barrier(0, 1, lock);