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https://github.com/openharmony/window_window_manager.git
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wutingting
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
/*
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* Copyright (c) 2025 Huawei Device Co., Ltd.
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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 OHOS_ROSEN_WINDOW_SCENE_TIMEOUT_FUTURE_H
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#define OHOS_ROSEN_WINDOW_SCENE_TIMEOUT_FUTURE_H
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#include <condition_variable>
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#include "dms_global_mutex.h"
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namespace OHOS::Rosen {
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template<class T>
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class TimeoutFuture {
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public:
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T GetResult(long timeout, bool &isTimeout)
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{
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std::unique_lock<std::mutex> lock(mutex_);
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isTimeout = !DmUtils::safe_wait_for(conditionVariable_, lock,
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std::chrono::milliseconds(timeout), [this] { return IsReady(); });
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return result_;
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}
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void FutureCall(T t)
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{
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std::unique_lock<std::mutex> lock(mutex_);
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result_ = t;
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isReady_ = true;
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conditionVariable_.notify_one();
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}
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private:
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inline bool IsReady() { return isReady_; }
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std::condition_variable conditionVariable_;
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std::mutex mutex_;
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bool isReady_ = false;
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T result_;
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};
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} // namespace OHOS::Rosen
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#endif // OHOS_ROSEN_WINDOW_SCENE_TIMEOUT_FUTURE_H
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