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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/synchronization/waitable_event_watcher.h" | 5 #include "base/synchronization/waitable_event_watcher.h" |
6 | 6 |
7 #include "base/message_loop.h" | 7 #include "base/message_loop.h" |
8 #include "base/synchronization/lock.h" | 8 #include "base/synchronization/lock.h" |
9 #include "base/synchronization/waitable_event.h" | 9 #include "base/synchronization/waitable_event.h" |
10 | 10 |
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111 // We are deleted by the MessageLoop | 111 // We are deleted by the MessageLoop |
112 } | 112 } |
113 | 113 |
114 private: | 114 private: |
115 scoped_refptr<Flag> flag_; | 115 scoped_refptr<Flag> flag_; |
116 WaitableEventWatcher::Delegate *const delegate_; | 116 WaitableEventWatcher::Delegate *const delegate_; |
117 WaitableEvent *const event_; | 117 WaitableEvent *const event_; |
118 }; | 118 }; |
119 | 119 |
120 WaitableEventWatcher::WaitableEventWatcher() | 120 WaitableEventWatcher::WaitableEventWatcher() |
121 : event_(NULL), | 121 : message_loop_(NULL), |
122 message_loop_(NULL), | |
123 cancel_flag_(NULL), | 122 cancel_flag_(NULL), |
124 waiter_(NULL), | 123 waiter_(NULL), |
125 callback_task_(NULL), | 124 callback_task_(NULL), |
| 125 event_(NULL), |
126 delegate_(NULL) { | 126 delegate_(NULL) { |
127 } | 127 } |
128 | 128 |
129 WaitableEventWatcher::~WaitableEventWatcher() { | 129 WaitableEventWatcher::~WaitableEventWatcher() { |
130 StopWatching(); | 130 StopWatching(); |
131 } | 131 } |
132 | 132 |
133 // ----------------------------------------------------------------------------- | 133 // ----------------------------------------------------------------------------- |
134 // The Handle is how the user cancels a wait. After deleting the Handle we | 134 // The Handle is how the user cancels a wait. After deleting the Handle we |
135 // insure that the delegate cannot be called. | 135 // insure that the delegate cannot be called. |
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271 // ----------------------------------------------------------------------------- | 271 // ----------------------------------------------------------------------------- |
272 // This is called when the MessageLoop which the callback will be run it is | 272 // This is called when the MessageLoop which the callback will be run it is |
273 // deleted. We need to cancel the callback as if we had been deleted, but we | 273 // deleted. We need to cancel the callback as if we had been deleted, but we |
274 // will still be deleted at some point in the future. | 274 // will still be deleted at some point in the future. |
275 // ----------------------------------------------------------------------------- | 275 // ----------------------------------------------------------------------------- |
276 void WaitableEventWatcher::WillDestroyCurrentMessageLoop() { | 276 void WaitableEventWatcher::WillDestroyCurrentMessageLoop() { |
277 StopWatching(); | 277 StopWatching(); |
278 } | 278 } |
279 | 279 |
280 } // namespace base | 280 } // namespace base |
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