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Side by Side Diff: base/ref_counted.h

Issue 6725001: Base: First pass at having base.dll: definition of (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 9 years, 9 months ago
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1 // Copyright (c) 2010 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/base_api.h"
10 #include "base/threading/thread_collision_warner.h" 11 #include "base/threading/thread_collision_warner.h"
11 12
12 namespace base { 13 namespace base {
13 14
14 namespace subtle { 15 namespace subtle {
15 16
16 class RefCountedBase { 17 class BASE_API RefCountedBase {
17 public: 18 public:
18 static bool ImplementsThreadSafeReferenceCounting() { return false; } 19 static bool ImplementsThreadSafeReferenceCounting() { return false; }
19 20
20 bool HasOneRef() const { return ref_count_ == 1; } 21 bool HasOneRef() const { return ref_count_ == 1; }
21 22
22 protected: 23 protected:
23 RefCountedBase(); 24 RefCountedBase();
24 ~RefCountedBase(); 25 ~RefCountedBase();
25 26
26 void AddRef() const; 27 void AddRef() const;
27 28
28 // Returns true if the object should self-delete. 29 // Returns true if the object should self-delete.
29 bool Release() const; 30 bool Release() const;
30 31
31 private: 32 private:
32 mutable int ref_count_; 33 mutable int ref_count_;
33 #ifndef NDEBUG 34 #ifndef NDEBUG
34 mutable bool in_dtor_; 35 mutable bool in_dtor_;
35 #endif 36 #endif
36 37
37 DFAKE_MUTEX(add_release_); 38 DFAKE_MUTEX(add_release_);
38 39
39 DISALLOW_COPY_AND_ASSIGN(RefCountedBase); 40 DISALLOW_COPY_AND_ASSIGN(RefCountedBase);
40 }; 41 };
41 42
42 class RefCountedThreadSafeBase { 43 class BASE_API RefCountedThreadSafeBase {
43 public: 44 public:
44 static bool ImplementsThreadSafeReferenceCounting() { return true; } 45 static bool ImplementsThreadSafeReferenceCounting() { return true; }
45 46
46 bool HasOneRef() const; 47 bool HasOneRef() const;
47 48
48 protected: 49 protected:
49 RefCountedThreadSafeBase(); 50 RefCountedThreadSafeBase();
50 ~RefCountedThreadSafeBase(); 51 ~RefCountedThreadSafeBase();
51 52
52 void AddRef() const; 53 void AddRef() const;
(...skipping 236 matching lines...) Expand 10 before | Expand all | Expand 10 after
289 }; 290 };
290 291
291 // 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
292 // having to retype all the template arguments 293 // having to retype all the template arguments
293 template <typename T> 294 template <typename T>
294 scoped_refptr<T> make_scoped_refptr(T* t) { 295 scoped_refptr<T> make_scoped_refptr(T* t) {
295 return scoped_refptr<T>(t); 296 return scoped_refptr<T>(t);
296 } 297 }
297 298
298 #endif // BASE_REF_COUNTED_H_ 299 #endif // BASE_REF_COUNTED_H_
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