mirror of
https://github.com/zhigang1992/libpag.git
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35 lines
1.2 KiB
C++
35 lines
1.2 KiB
C++
/////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// Tencent is pleased to support the open source community by making libpag available.
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//
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// Copyright (C) 2021 THL A29 Limited, a Tencent company. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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// except in compliance with the License. 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 distributed under the
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// license is distributed on an "as is" basis, without warranties or conditions of any kind,
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// either express or implied. see the license for the specific language governing permissions
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// and limitations under the license.
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//
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/////////////////////////////////////////////////////////////////////////////////////////////////
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#include "Semaphore.h"
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namespace pag {
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void Semaphore::signal() {
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std::lock_guard<std::mutex> autoLock(locker);
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count++;
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condition.notify_one();
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}
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void Semaphore::wait() {
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std::unique_lock<std::mutex> autoLock(locker);
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if (count <= 0) {
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condition.wait(autoLock);
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}
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count--;
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}
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} // namespace pag
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