/* Copyright (c) 2015, Linaro Limited
 * All rights reserved.
 *
 * SPDX-License-Identifier:     BSD-3-Clause
 */

#include "config.h"

#include <odp/api/atomic.h>
#if ODP_ABI_COMPAT == 1
#include <odp/api/plat/atomic_inlines.h>
#endif

int odp_atomic_lock_free_u64(odp_atomic_op_t *atomic_op)
{
#if __GCC_ATOMIC_LLONG_LOCK_FREE < 2
	/* All operations have locks */
	if (atomic_op)
		atomic_op->all_bits = 0;

	return 0;
#else
	/* All operations are lock-free */
	if (atomic_op) {
		atomic_op->all_bits = ~((uint32_t)0);
		atomic_op->op.init  = 0;
	}

	return 2;
#endif
}