3
* Copyright 2011, Google Inc.
5
* Redistribution and use in source and binary forms, with or without
6
* modification, are permitted provided that the following conditions are met:
8
* 1. Redistributions of source code must retain the above copyright notice,
9
* this list of conditions and the following disclaimer.
10
* 2. Redistributions in binary form must reproduce the above copyright notice,
11
* this list of conditions and the following disclaimer in the documentation
12
* and/or other materials provided with the distribution.
13
* 3. The name of the author may not be used to endorse or promote products
14
* derived from this software without specific prior written permission.
16
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
#ifndef TALK_APP_BASE_REFCOUNT_H_
29
#define TALK_APP_BASE_REFCOUNT_H_
33
#include "talk/base/criticalsection.h"
37
// Reference count interface.
38
class RefCountInterface {
40
virtual int AddRef() = 0;
41
virtual int Release() = 0;
45
class RefCountedObject : public T {
47
RefCountedObject() : ref_count_(0) {
51
explicit RefCountedObject(P p) : T(p), ref_count_(0) {
54
template<typename P1, typename P2>
55
RefCountedObject(P1 p1, P2 p2) : T(p1, p2), ref_count_(0) {
58
template<typename P1, typename P2, typename P3>
59
RefCountedObject(P1 p1, P2 p2, P3 p3) : T(p1, p2, p3), ref_count_(0) {
62
template<typename P1, typename P2, typename P3, typename P4>
63
RefCountedObject(P1 p1, P2 p2, P3 p3, P4 p4)
64
: T(p1, p2, p3, p4), ref_count_(0) {
67
template<typename P1, typename P2, typename P3, typename P4, typename P5>
68
RefCountedObject(P1 p1, P2 p2, P3 p3, P4 p4, P5 p5)
69
: T(p1, p2, p3, p4, p5), ref_count_(0) {
72
virtual int AddRef() {
73
return talk_base::AtomicOps::Increment(&ref_count_);
76
virtual int Release() {
77
int count = talk_base::AtomicOps::Decrement(&ref_count_);
88
} // namespace talk_base
90
#endif // TALK_APP_BASE_REFCOUNT_H_