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/*
*
* Copyright (c) 2018 Huawei Technologies Co.,Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _COMMON_MEM_SPINLOCK_X86_64_H_
#define _COMMON_MEM_SPINLOCK_X86_64_H_
#ifdef HAL_LIB
#else
#include "rte_spinlock.h"
static inline void
dmm_spinlock_lock_with_pid (rte_spinlock_t * sl, int pid)
{
while (!__sync_bool_compare_and_swap (&sl->locked, 0, pid))
while (sl->locked)
rte_pause ();
}
static inline int
dmm_spinlock_try_lock_with_pid (rte_spinlock_t * sl, int pid)
{
return __sync_bool_compare_and_swap (&sl->locked, 0, pid);
}
#endif
#endif /* _COMMON_MEM_SPINLOCK_X86_64_H_ */
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