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Side by Side Diff: base/ref_counted.h

Issue 3013038: Fix lines longer than 80 characters. (Closed) Base URL: git://git.chromium.org/chromium.git
Patch Set: Created 10 years, 4 months ago
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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2010 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 #pragma once 7 #pragma once
8 8
9 #include "base/atomic_ref_count.h" 9 #include "base/atomic_ref_count.h"
10 #include "base/thread_collision_warner.h" 10 #include "base/thread_collision_warner.h"
11 11
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103 template <class T, typename Traits> class RefCountedThreadSafe; 103 template <class T, typename Traits> class RefCountedThreadSafe;
104 104
105 // Default traits for RefCountedThreadSafe<T>. Deletes the object when its ref 105 // Default traits for RefCountedThreadSafe<T>. Deletes the object when its ref
106 // count reaches 0. Overload to delete it on a different thread etc. 106 // count reaches 0. Overload to delete it on a different thread etc.
107 template<typename T> 107 template<typename T>
108 struct DefaultRefCountedThreadSafeTraits { 108 struct DefaultRefCountedThreadSafeTraits {
109 static void Destruct(T* x) { 109 static void Destruct(T* x) {
110 // Delete through RefCountedThreadSafe to make child classes only need to be 110 // Delete through RefCountedThreadSafe to make child classes only need to be
111 // friend with RefCountedThreadSafe instead of this struct, which is an 111 // friend with RefCountedThreadSafe instead of this struct, which is an
112 // implementation detail. 112 // implementation detail.
113 RefCountedThreadSafe<T, DefaultRefCountedThreadSafeTraits>::DeleteInternal(x ); 113 RefCountedThreadSafe<T,
114 DefaultRefCountedThreadSafeTraits>::DeleteInternal(x);
114 } 115 }
115 }; 116 };
116 117
117 // 118 //
118 // A thread-safe variant of RefCounted<T> 119 // A thread-safe variant of RefCounted<T>
119 // 120 //
120 // class MyFoo : public base::RefCountedThreadSafe<MyFoo> { 121 // class MyFoo : public base::RefCountedThreadSafe<MyFoo> {
121 // ... 122 // ...
122 // }; 123 // };
123 // 124 //
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288 }; 289 };
289 290
290 // Handy utility for creating a scoped_refptr<T> out of a T* explicitly without 291 // Handy utility for creating a scoped_refptr<T> out of a T* explicitly without
291 // having to retype all the template arguments 292 // having to retype all the template arguments
292 template <typename T> 293 template <typename T>
293 scoped_refptr<T> make_scoped_refptr(T* t) { 294 scoped_refptr<T> make_scoped_refptr(T* t) {
294 return scoped_refptr<T>(t); 295 return scoped_refptr<T>(t);
295 } 296 }
296 297
297 #endif // BASE_REF_COUNTED_H_ 298 #endif // BASE_REF_COUNTED_H_
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