/* Copyright 2020 Alibaba Group Holding Limited. 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.
==============================================================================*/

#ifndef GRAPHLEARN_COMMON_THREADING_SYNC_WAITABLE_EVENT_H_
#define GRAPHLEARN_COMMON_THREADING_SYNC_WAITABLE_EVENT_H_

#include <cinttypes>
#include "common/base/uncopyable.h"

namespace graphlearn {

class WaitableEvent : private Uncopyable {
public:
  explicit WaitableEvent(bool autoReset = true);
  ~WaitableEvent();

  bool Wait(int64_t delayInMs = -1);
  void Reset();
  void Set();

private:
  class Impl;
  Impl* impl_;
};

}  // namespace graphlearn

#endif  // GRAPHLEARN_COMMON_THREADING_SYNC_WAITABLE_EVENT_H_
