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1 // Copyright (c) 2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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 #include "base/lazy_instance.h" | 5 #include "base/lazy_instance.h" |
6 | 6 |
7 #include "base/at_exit.h" | 7 #include "base/at_exit.h" |
8 #include "base/atomicops.h" | 8 #include "base/atomicops.h" |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 #include "base/platform_thread.h" | 10 #include "base/platform_thread.h" |
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30 } | 30 } |
31 | 31 |
32 void LazyInstanceHelper::CompleteInstance(void* instance, void (*dtor)(void*)) { | 32 void LazyInstanceHelper::CompleteInstance(void* instance, void (*dtor)(void*)) { |
33 // See the comment to the corresponding HAPPENS_AFTER in Pointer(). | 33 // See the comment to the corresponding HAPPENS_AFTER in Pointer(). |
34 ANNOTATE_HAPPENS_BEFORE(&state_); | 34 ANNOTATE_HAPPENS_BEFORE(&state_); |
35 | 35 |
36 // Instance is created, go from CREATING to CREATED. | 36 // Instance is created, go from CREATING to CREATED. |
37 base::subtle::Release_Store(&state_, STATE_CREATED); | 37 base::subtle::Release_Store(&state_, STATE_CREATED); |
38 | 38 |
39 // Make sure that the lazily instantiated object will get destroyed at exit. | 39 // Make sure that the lazily instantiated object will get destroyed at exit. |
40 base::AtExitManager::RegisterCallback(dtor, instance); | 40 if (dtor) |
| 41 base::AtExitManager::RegisterCallback(dtor, instance); |
41 } | 42 } |
42 | 43 |
43 } // namespace base | 44 } // namespace base |
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