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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef BASE_REF_COUNTED_H_ | 5 #ifndef BASE_REF_COUNTED_H_ |
6 #define BASE_REF_COUNTED_H_ | 6 #define BASE_REF_COUNTED_H_ |
7 | 7 |
8 #include "base/atomic_ref_count.h" | 8 #include "base/atomic_ref_count.h" |
9 #include "base/thread_collision_warner.h" | 9 #include "base/thread_collision_warner.h" |
10 | 10 |
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55 | 55 |
56 private: | 56 private: |
57 AtomicRefCount ref_count_; | 57 AtomicRefCount ref_count_; |
58 #ifndef NDEBUG | 58 #ifndef NDEBUG |
59 bool in_dtor_; | 59 bool in_dtor_; |
60 #endif | 60 #endif |
61 | 61 |
62 DISALLOW_COPY_AND_ASSIGN(RefCountedThreadSafeBase); | 62 DISALLOW_COPY_AND_ASSIGN(RefCountedThreadSafeBase); |
63 }; | 63 }; |
64 | 64 |
65 | |
66 | |
67 } // namespace subtle | 65 } // namespace subtle |
68 | 66 |
69 // | 67 // |
70 // A base class for reference counted classes. Otherwise, known as a cheap | 68 // A base class for reference counted classes. Otherwise, known as a cheap |
71 // knock-off of WebKit's RefCounted<T> class. To use this guy just extend your | 69 // knock-off of WebKit's RefCounted<T> class. To use this guy just extend your |
72 // class from it like so: | 70 // class from it like so: |
73 // | 71 // |
74 // class MyFoo : public base::RefCounted<MyFoo> { | 72 // class MyFoo : public base::RefCounted<MyFoo> { |
75 // ... | 73 // ... |
76 // }; | 74 // }; |
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243 | 241 |
244 void swap(scoped_refptr<T>& r) { | 242 void swap(scoped_refptr<T>& r) { |
245 swap(&r.ptr_); | 243 swap(&r.ptr_); |
246 } | 244 } |
247 | 245 |
248 protected: | 246 protected: |
249 T* ptr_; | 247 T* ptr_; |
250 }; | 248 }; |
251 | 249 |
252 #endif // BASE_REF_COUNTED_H_ | 250 #endif // BASE_REF_COUNTED_H_ |
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