ObjFW  Diff

 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * 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.
 */

OF_ASSUME_NONNULL_BEGIN

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

static OF_INLINE int32_t

    void *_Nullable o, void *_Nullable n)
{
	return __atomic_compare_exchange(p, &o, &n, false,
	    __ATOMIC_RELAXED, __ATOMIC_RELAXED);
}

static OF_INLINE void
of_memory_barrier_sync(void)
of_memory_barrier_full(void)
{
	__atomic_thread_fence(__ATOMIC_SEQ_CST);
}

static OF_INLINE void
of_memory_barrier_enter(void)
of_memory_barrier_acquire(void)
{
	__atomic_thread_fence(__ATOMIC_SEQ_CST);
	__atomic_thread_fence(__ATOMIC_ACQUIRE);
}

static OF_INLINE void
of_memory_barrier_exit(void)
of_memory_barrier_release(void)
{
	__atomic_thread_fence(__ATOMIC_SEQ_CST);
	__atomic_thread_fence(__ATOMIC_RELEASE);
}

static OF_INLINE void
of_memory_barrier_producer(void)
{
	__atomic_thread_fence(__ATOMIC_SEQ_CST);
}

static OF_INLINE void
of_memory_barrier_consumer(void)
{
	__atomic_thread_fence(__ATOMIC_SEQ_CST);
}

OF_ASSUME_NONNULL_END