53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
// Copyright (c) 2016-2018 Kiwano - Nomango
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
|
|
#pragma once
|
|
#include "../macros.h"
|
|
#include "../common/noncopyable.hpp"
|
|
|
|
namespace kiwano
|
|
{
|
|
class KGE_API RefCounter
|
|
: protected Noncopyable
|
|
{
|
|
public:
|
|
// 增加引用计数
|
|
inline void Retain() { ++ref_count_; }
|
|
|
|
// 减少引用计数
|
|
inline void Release()
|
|
{
|
|
if (--ref_count_ <= 0)
|
|
delete this;
|
|
}
|
|
|
|
// 获取引用计数
|
|
inline long GetRefCount() const { return ref_count_; }
|
|
|
|
protected:
|
|
RefCounter() : ref_count_(0) {}
|
|
|
|
virtual ~RefCounter() {}
|
|
|
|
protected:
|
|
long ref_count_;
|
|
};
|
|
}
|