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59 lines
1.5 KiB
59 lines
1.5 KiB
/**
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* Copyright 2019-2020 Huawei Technologies Co., Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef GE_HYBRID_EXECUTOR_NODE_DONE_COND_MANAGER_H_
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#define GE_HYBRID_EXECUTOR_NODE_DONE_COND_MANAGER_H_
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#include <condition_variable>
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#include <memory>
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#include <mutex>
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#include <unordered_map>
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#include "graph/node.h"
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namespace ge {
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namespace hybrid {
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class NodeDoneManager {
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public:
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void NodeDone(const NodePtr &node);
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bool Await(const NodePtr &node);
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void Destroy();
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private:
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class Cond {
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public:
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bool IsRelease();
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void Release();
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void Cancel();
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bool Await();
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private:
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std::mutex cond_mu_;
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std::condition_variable cv_;
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bool is_released_ = false;
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bool is_cancelled_ = false;
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};
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Cond *GetSubject(const NodePtr &node);
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std::mutex mu_;
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std::unordered_map<NodePtr, Cond> subjects_;
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bool destroyed_ = false;
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};
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} // namespace hybrid
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} // namespace ge
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#endif // GE_HYBRID_EXECUTOR_NODE_DONE_COND_MANAGER_H_
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