spin_lock.h

// Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
//
// 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.

#pragma once

#include "paddle/fluid/memory/allocation/spin_lock_c.h"

namespace paddle {
namespace memory {

class SpinLock {
 public:
  SpinLock() { INITIAL_LOCK(&mlock_); }

  void lock() { ACQUIRE_LOCK(&mlock_); }

  void unlock() { RELEASE_LOCK(&mlock_); }
  DISABLE_COPY_AND_ASSIGN(SpinLock);

 private:
  MLOCK_T mlock_;
};

}  // namespace memory
}  // namespace paddle