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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 #include "base/memory/ref_counted.h" | 5 #include "base/memory/ref_counted.h" |
6 #include "base/threading/thread_collision_warner.h" | 6 #include "base/threading/thread_collision_warner.h" |
7 | 7 |
8 namespace base { | 8 namespace base { |
9 | 9 |
10 namespace subtle { | 10 namespace subtle { |
11 | 11 |
| 12 void RefCountedBase::AddRef() const { |
| 13 // TODO(maruel): Add back once it doesn't assert 500 times/sec. |
| 14 // Current thread books the critical section "AddRelease" |
| 15 // without release it. |
| 16 // DFAKE_SCOPED_LOCK_THREAD_LOCKED(add_release_); |
| 17 #ifndef NDEBUG |
| 18 DCHECK(!in_dtor_); |
| 19 #endif |
| 20 ++ref_count_; |
| 21 } |
| 22 |
| 23 bool RefCountedBase::Release() const { |
| 24 // TODO(maruel): Add back once it doesn't assert 500 times/sec. |
| 25 // Current thread books the critical section "AddRelease" |
| 26 // without release it. |
| 27 // DFAKE_SCOPED_LOCK_THREAD_LOCKED(add_release_); |
| 28 #ifndef NDEBUG |
| 29 DCHECK(!in_dtor_); |
| 30 #endif |
| 31 if (--ref_count_ == 0) { |
| 32 #ifndef NDEBUG |
| 33 in_dtor_ = true; |
| 34 #endif |
| 35 return true; |
| 36 } |
| 37 return false; |
| 38 } |
| 39 |
12 bool RefCountedThreadSafeBase::HasOneRef() const { | 40 bool RefCountedThreadSafeBase::HasOneRef() const { |
13 return AtomicRefCountIsOne( | 41 return AtomicRefCountIsOne( |
14 &const_cast<RefCountedThreadSafeBase*>(this)->ref_count_); | 42 &const_cast<RefCountedThreadSafeBase*>(this)->ref_count_); |
15 } | 43 } |
16 | 44 |
17 RefCountedThreadSafeBase::RefCountedThreadSafeBase() : ref_count_(0) { | 45 RefCountedThreadSafeBase::RefCountedThreadSafeBase() : ref_count_(0) { |
18 #ifndef NDEBUG | 46 #ifndef NDEBUG |
19 in_dtor_ = false; | 47 in_dtor_ = false; |
20 #endif | 48 #endif |
21 } | 49 } |
(...skipping 22 matching lines...) Expand all Loading... |
44 in_dtor_ = true; | 72 in_dtor_ = true; |
45 #endif | 73 #endif |
46 return true; | 74 return true; |
47 } | 75 } |
48 return false; | 76 return false; |
49 } | 77 } |
50 | 78 |
51 } // namespace subtle | 79 } // namespace subtle |
52 | 80 |
53 } // namespace base | 81 } // namespace base |
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