wehub-resource-sync
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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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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#pragma once
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#include <functional>
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#include <future> // NOLINT
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#include <memory>
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#include <mutex> // NOLINT
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class ThreadPool;
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namespace phi {
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namespace stream {
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class Stream;
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} // namespace stream
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// NOTE(zjl): clean CallbackManager to make compilation faster
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// Make CallbackManager thread-safe
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class CallbackManager {
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public:
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explicit CallbackManager(stream::Stream* stream);
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~CallbackManager() = default;
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void AddCallback(std::function<void()> callback) const;
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void Wait() const;
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private:
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stream::Stream* stream_;
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mutable std::shared_ptr<::ThreadPool> thread_pool_;
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mutable std::mutex mtx_;
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mutable std::future<void> last_future_;
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};
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} // namespace phi
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