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_Static_assert(sizeof(int) == sizeof(OSSpinLock), "OSSpinLock size mismatch");
OSSpinLockUnlock(volatile OSSpinLock *lock)
os_atomic_store(lock, 0, release);
OSSpinLockTry(volatile OSSpinLock *lock)
return os_atomic_cmpxchg(lock, 0, 1, acquire);