28e2075280
trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
96 lines
2.9 KiB
C++
96 lines
2.9 KiB
C++
/*
|
|
* libjingle
|
|
* Copyright 2011, Google Inc.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
|
|
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
|
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
|
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef TALK_APP_BASE_REFCOUNT_H_
|
|
#define TALK_APP_BASE_REFCOUNT_H_
|
|
|
|
#include <cstring>
|
|
|
|
#include "talk/base/criticalsection.h"
|
|
|
|
namespace talk_base {
|
|
|
|
// Reference count interface.
|
|
class RefCountInterface {
|
|
public:
|
|
virtual int AddRef() = 0;
|
|
virtual int Release() = 0;
|
|
protected:
|
|
virtual ~RefCountInterface() {}
|
|
};
|
|
|
|
template <class T>
|
|
class RefCountedObject : public T {
|
|
public:
|
|
RefCountedObject() : ref_count_(0) {
|
|
}
|
|
|
|
template<typename P>
|
|
explicit RefCountedObject(P p) : T(p), ref_count_(0) {
|
|
}
|
|
|
|
template<typename P1, typename P2>
|
|
RefCountedObject(P1 p1, P2 p2) : T(p1, p2), ref_count_(0) {
|
|
}
|
|
|
|
template<typename P1, typename P2, typename P3>
|
|
RefCountedObject(P1 p1, P2 p2, P3 p3) : T(p1, p2, p3), ref_count_(0) {
|
|
}
|
|
|
|
template<typename P1, typename P2, typename P3, typename P4>
|
|
RefCountedObject(P1 p1, P2 p2, P3 p3, P4 p4)
|
|
: T(p1, p2, p3, p4), ref_count_(0) {
|
|
}
|
|
|
|
template<typename P1, typename P2, typename P3, typename P4, typename P5>
|
|
RefCountedObject(P1 p1, P2 p2, P3 p3, P4 p4, P5 p5)
|
|
: T(p1, p2, p3, p4, p5), ref_count_(0) {
|
|
}
|
|
|
|
virtual int AddRef() {
|
|
return talk_base::AtomicOps::Increment(&ref_count_);
|
|
}
|
|
|
|
virtual int Release() {
|
|
int count = talk_base::AtomicOps::Decrement(&ref_count_);
|
|
if (!count) {
|
|
delete this;
|
|
}
|
|
return count;
|
|
}
|
|
|
|
protected:
|
|
virtual ~RefCountedObject() {
|
|
}
|
|
|
|
int ref_count_;
|
|
};
|
|
|
|
} // namespace talk_base
|
|
|
|
#endif // TALK_APP_BASE_REFCOUNT_H_
|