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Issue 1992005: Update dynamic annotations and move them to base/third_party (Closed)
Patch Set: rebased Created 10 years, 7 months ago
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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/dynamic_annotations.h"
10 #include "base/basictypes.h" 9 #include "base/basictypes.h"
11 #include "base/platform_thread.h" 10 #include "base/platform_thread.h"
11 #include "base/third_party/dynamic_annotations/dynamic_annotations.h"
12 12
13 namespace base { 13 namespace base {
14 14
15 bool LazyInstanceHelper::NeedsInstance() { 15 bool LazyInstanceHelper::NeedsInstance() {
16 // Try to create the instance, if we're the first, will go from EMPTY 16 // Try to create the instance, if we're the first, will go from EMPTY
17 // to CREATING, otherwise we've already been beaten here. 17 // to CREATING, otherwise we've already been beaten here.
18 if (base::subtle::Acquire_CompareAndSwap( 18 if (base::subtle::Acquire_CompareAndSwap(
19 &state_, STATE_EMPTY, STATE_CREATING) == STATE_EMPTY) { 19 &state_, STATE_EMPTY, STATE_CREATING) == STATE_EMPTY) {
20 // Caller must create instance 20 // Caller must create instance
21 return true; 21 return true;
(...skipping 23 matching lines...) Expand all
45 // Make sure that the lazily instantiated object will get destroyed at exit. 45 // Make sure that the lazily instantiated object will get destroyed at exit.
46 base::AtExitManager::RegisterCallback(dtor, instance); 46 base::AtExitManager::RegisterCallback(dtor, instance);
47 } 47 }
48 48
49 // static 49 // static
50 void LazyInstanceHelper::ResetState(void* helper) { 50 void LazyInstanceHelper::ResetState(void* helper) {
51 reinterpret_cast<LazyInstanceHelper*>(helper)->state_ = STATE_EMPTY; 51 reinterpret_cast<LazyInstanceHelper*>(helper)->state_ = STATE_EMPTY;
52 } 52 }
53 53
54 } // namespace base 54 } // namespace base
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