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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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36 // }; | 36 // }; |
37 // MyImplementation* CreateMyImplementation() { | 37 // MyImplementation* CreateMyImplementation() { |
38 // RefCountImpl<MyImplementation>* implementation = | 38 // RefCountImpl<MyImplementation>* implementation = |
39 // new RefCountImpl<MyImplementation>(); | 39 // new RefCountImpl<MyImplementation>(); |
40 // return implementation; | 40 // return implementation; |
41 // } | 41 // } |
42 | 42 |
43 template <class T> | 43 template <class T> |
44 class RefCountImpl : public T { | 44 class RefCountImpl : public T { |
45 public: | 45 public: |
46 RefCountImpl() : ref_count_(0) {} | 46 RefCountImpl() : ref_count_(1) {} |
47 | 47 |
48 template<typename P> | 48 template<typename P> |
49 explicit RefCountImpl(P p) : T(p), ref_count_(0) {} | 49 explicit RefCountImpl(P p) : T(p), ref_count_(1) {} |
50 | 50 |
51 template<typename P1, typename P2> | 51 template<typename P1, typename P2> |
52 RefCountImpl(P1 p1, P2 p2) : T(p1, p2), ref_count_(0) {} | 52 RefCountImpl(P1 p1, P2 p2) : T(p1, p2), ref_count_(1) {} |
53 | 53 |
54 template<typename P1, typename P2, typename P3> | 54 template<typename P1, typename P2, typename P3> |
55 RefCountImpl(P1 p1, P2 p2, P3 p3) : T(p1, p2, p3), ref_count_(0) {} | 55 RefCountImpl(P1 p1, P2 p2, P3 p3) : T(p1, p2, p3), ref_count_(1) {} |
56 | 56 |
57 template<typename P1, typename P2, typename P3, typename P4> | 57 template<typename P1, typename P2, typename P3, typename P4> |
58 RefCountImpl(P1 p1, P2 p2, P3 p3, P4 p4) : T(p1, p2, p3, p4), ref_count_(0) {} | 58 RefCountImpl(P1 p1, P2 p2, P3 p3, P4 p4) : T(p1, p2, p3, p4), ref_count_(1) {} |
59 | 59 |
60 template<typename P1, typename P2, typename P3, typename P4, typename P5> | 60 template<typename P1, typename P2, typename P3, typename P4, typename P5> |
61 RefCountImpl(P1 p1, P2 p2, P3 p3, P4 p4, P5 p5) | 61 RefCountImpl(P1 p1, P2 p2, P3 p3, P4 p4, P5 p5) |
62 : T(p1, p2, p3, p4, p5), ref_count_(0) {} | 62 : T(p1, p2, p3, p4, p5), ref_count_(1) {} |
63 | 63 |
64 int32_t AddRef() const override { | 64 int32_t AddRef() const override { |
65 return ++ref_count_; | 65 return ++ref_count_; |
66 } | 66 } |
67 | 67 |
68 int32_t Release() const override { | 68 int32_t Release() const override { |
69 int32_t ref_count; | 69 int32_t ref_count; |
70 ref_count = --ref_count_; | 70 ref_count = --ref_count_; |
71 if (ref_count == 0) | 71 if (ref_count == 0) |
72 delete this; | 72 delete this; |
73 return ref_count; | 73 return ref_count; |
74 } | 74 } |
75 | 75 |
76 protected: | 76 protected: |
77 mutable Atomic32 ref_count_; | 77 mutable Atomic32 ref_count_; |
78 }; | 78 }; |
79 | 79 |
80 } // namespace webrtc | 80 } // namespace webrtc |
81 | 81 |
82 #endif // SYSTEM_WRAPPERS_INCLUDE_REF_COUNT_H_ | 82 #endif // SYSTEM_WRAPPERS_INCLUDE_REF_COUNT_H_ |
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