61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
// Copyright (c) 2016-2018 Kiwano - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#pragma once
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#include <atomic>
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#include <kiwano/core/Common.h>
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namespace kiwano
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{
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/**
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* \~chinese
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* @brief 引用计数器
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*/
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class KGE_API RefCounter : protected Noncopyable
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{
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public:
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/// \~chinese
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/// @brief 增加引用计数
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void Retain();
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/// \~chinese
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/// @brief 减少引用计数
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void Release();
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/// \~chinese
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/// @brief 获取引用计数
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uint32_t GetRefCount() const;
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protected:
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RefCounter();
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virtual ~RefCounter();
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private:
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std::atomic<uint32_t> ref_count_;
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};
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inline uint32_t RefCounter::GetRefCount() const
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{
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return ref_count_;
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}
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} // namespace kiwano
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