35a12cdf60
git-svn-id: http://webrtc.googlecode.com/svn/trunk@836 4adac7df-926f-26a2-2b94-8c16560cd09d
91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
/*
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* libjingle
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* Copyright 2011, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_BASE_REF_COUNT_H_
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#define TALK_BASE_REF_COUNT_H_
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#include <cstring>
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#include "talk/base/criticalsection.h"
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namespace talk_base {
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// Reference count interface.
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class RefCountInterface {
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public:
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virtual int AddRef() = 0;
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virtual int Release() = 0;
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};
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template <class T>
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class RefCountedObject : public T {
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public:
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RefCountedObject() : ref_count_(0) {
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}
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template<typename P>
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explicit RefCountedObject(P p) : ref_count_(0), T(p) {
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}
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template<typename P1, typename P2>
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RefCountedObject(P1 p1, P2 p2) : ref_count_(0), T(p1, p2) {
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}
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template<typename P1, typename P2, typename P3>
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RefCountedObject(P1 p1, P2 p2, P3 p3) : ref_count_(0), T(p1, p2, p3) {
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}
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template<typename P1, typename P2, typename P3, typename P4>
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RefCountedObject(P1 p1, P2 p2, P3 p3, P4 p4)
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: ref_count_(0), T(p1, p2, p3, p4) {
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}
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template<typename P1, typename P2, typename P3, typename P4, typename P5>
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RefCountedObject(P1 p1, P2 p2, P3 p3, P4 p4, P5 p5)
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: ref_count_(0), T(p1, p2, p3, p4, p5) {
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}
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virtual int AddRef() {
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return talk_base::AtomicOps::Increment(&ref_count_);
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}
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virtual int Release() {
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int count = talk_base::AtomicOps::Decrement(&ref_count_);
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if (!count) {
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delete this;
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}
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return count;
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}
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protected:
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int ref_count_;
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};
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} // namespace talk_base
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#endif // TALK_BASE_REF_COUNT_H_
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