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graphengine/ge/hybrid/executor/node_done_manager.h

59 lines
1.5 KiB

/**
* Copyright 2019-2020 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 GE_HYBRID_EXECUTOR_NODE_DONE_COND_MANAGER_H_
#define GE_HYBRID_EXECUTOR_NODE_DONE_COND_MANAGER_H_
#include <condition_variable>
#include <memory>
#include <mutex>
#include <unordered_map>
#include "graph/node.h"
namespace ge {
namespace hybrid {
class NodeDoneManager {
public:
void NodeDone(const NodePtr &node);
bool Await(const NodePtr &node);
void Destroy();
private:
class Cond {
public:
bool IsRelease();
void Release();
void Cancel();
bool Await();
private:
std::mutex cond_mu_;
std::condition_variable cv_;
bool is_released_ = false;
bool is_cancelled_ = false;
};
Cond *GetSubject(const NodePtr &node);
std::mutex mu_;
std::unordered_map<NodePtr, Cond> subjects_;
bool destroyed_ = false;
};
} // namespace hybrid
} // namespace ge
#endif // GE_HYBRID_EXECUTOR_NODE_DONE_COND_MANAGER_H_