OLD | NEW |
1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_MEMORY_REF_COUNTED_H_ | 5 #ifndef BASE_MEMORY_REF_COUNTED_H_ |
6 #define BASE_MEMORY_REF_COUNTED_H_ | 6 #define BASE_MEMORY_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/base_api.h" | 10 #include "base/base_export.h" |
11 #include "base/threading/thread_collision_warner.h" | 11 #include "base/threading/thread_collision_warner.h" |
12 | 12 |
13 namespace base { | 13 namespace base { |
14 | 14 |
15 namespace subtle { | 15 namespace subtle { |
16 | 16 |
17 class BASE_API RefCountedBase { | 17 class BASE_EXPORT RefCountedBase { |
18 public: | 18 public: |
19 static bool ImplementsThreadSafeReferenceCounting() { return false; } | 19 static bool ImplementsThreadSafeReferenceCounting() { return false; } |
20 | 20 |
21 bool HasOneRef() const { return ref_count_ == 1; } | 21 bool HasOneRef() const { return ref_count_ == 1; } |
22 | 22 |
23 protected: | 23 protected: |
24 RefCountedBase(); | 24 RefCountedBase(); |
25 ~RefCountedBase(); | 25 ~RefCountedBase(); |
26 | 26 |
27 void AddRef() const; | 27 void AddRef() const; |
28 | 28 |
29 // Returns true if the object should self-delete. | 29 // Returns true if the object should self-delete. |
30 bool Release() const; | 30 bool Release() const; |
31 | 31 |
32 private: | 32 private: |
33 mutable int ref_count_; | 33 mutable int ref_count_; |
34 #ifndef NDEBUG | 34 #ifndef NDEBUG |
35 mutable bool in_dtor_; | 35 mutable bool in_dtor_; |
36 #endif | 36 #endif |
37 | 37 |
38 DFAKE_MUTEX(add_release_); | 38 DFAKE_MUTEX(add_release_); |
39 | 39 |
40 DISALLOW_COPY_AND_ASSIGN(RefCountedBase); | 40 DISALLOW_COPY_AND_ASSIGN(RefCountedBase); |
41 }; | 41 }; |
42 | 42 |
43 class BASE_API RefCountedThreadSafeBase { | 43 class BASE_EXPORT RefCountedThreadSafeBase { |
44 public: | 44 public: |
45 static bool ImplementsThreadSafeReferenceCounting() { return true; } | 45 static bool ImplementsThreadSafeReferenceCounting() { return true; } |
46 | 46 |
47 bool HasOneRef() const; | 47 bool HasOneRef() const; |
48 | 48 |
49 protected: | 49 protected: |
50 RefCountedThreadSafeBase(); | 50 RefCountedThreadSafeBase(); |
51 ~RefCountedThreadSafeBase(); | 51 ~RefCountedThreadSafeBase(); |
52 | 52 |
53 void AddRef() const; | 53 void AddRef() const; |
(...skipping 236 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
290 }; | 290 }; |
291 | 291 |
292 // Handy utility for creating a scoped_refptr<T> out of a T* explicitly without | 292 // Handy utility for creating a scoped_refptr<T> out of a T* explicitly without |
293 // having to retype all the template arguments | 293 // having to retype all the template arguments |
294 template <typename T> | 294 template <typename T> |
295 scoped_refptr<T> make_scoped_refptr(T* t) { | 295 scoped_refptr<T> make_scoped_refptr(T* t) { |
296 return scoped_refptr<T>(t); | 296 return scoped_refptr<T>(t); |
297 } | 297 } |
298 | 298 |
299 #endif // BASE_MEMORY_REF_COUNTED_H_ | 299 #endif // BASE_MEMORY_REF_COUNTED_H_ |
OLD | NEW |