ObjFW  Diff

 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include <libkern/OSAtomic.h>

OF_ASSUME_NONNULL_BEGIN

static OF_INLINE int
of_atomic_int_add(volatile int *_Nonnull p, int i)
{
	return OSAtomicAdd32(i, p);
}

static OF_INLINE int32_t

of_atomic_ptr_cmpswap(void *volatile _Nullable *_Nonnull p,
    void *_Nullable o, void *_Nullable n)
{
	return OSAtomicCompareAndSwapPtr(o, n, p);
}

static OF_INLINE void
of_memory_barrier_sync(void)
of_memory_barrier(void)
{
	OSMemoryBarrier();
}

static OF_INLINE void
of_memory_barrier_enter(void)
of_memory_barrier_acquire(void)
{
	OSMemoryBarrier();
}

static OF_INLINE void
of_memory_barrier_exit(void)
of_memory_barrier_release(void)
{
	OSMemoryBarrier();
}

static OF_INLINE void
of_memory_barrier_producer(void)
{
	OSMemoryBarrier();
}

static OF_INLINE void
of_memory_barrier_consumer(void)
{
	OSMemoryBarrier();
}

OF_ASSUME_NONNULL_END