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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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/bind.h" | 7 #include "base/bind.h" |
8 #include "base/location.h" | 8 #include "base/location.h" |
9 #include "base/message_loop.h" | 9 #include "base/message_loop/message_loop.h" |
10 #include "base/synchronization/lock.h" | 10 #include "base/synchronization/lock.h" |
11 #include "base/synchronization/waitable_event.h" | 11 #include "base/synchronization/waitable_event.h" |
12 | 12 |
13 namespace base { | 13 namespace base { |
14 | 14 |
15 // ----------------------------------------------------------------------------- | 15 // ----------------------------------------------------------------------------- |
16 // WaitableEventWatcher (async waits). | 16 // WaitableEventWatcher (async waits). |
17 // | 17 // |
18 // The basic design is that we add an AsyncWaiter to the wait-list of the event. | 18 // The basic design is that we add an AsyncWaiter to the wait-list of the event. |
19 // That AsyncWaiter has a pointer to MessageLoop, and a Task to be posted to it. | 19 // That AsyncWaiter has a pointer to MessageLoop, and a Task to be posted to it. |
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262 // ----------------------------------------------------------------------------- | 262 // ----------------------------------------------------------------------------- |
263 // This is called when the MessageLoop which the callback will be run it is | 263 // This is called when the MessageLoop which the callback will be run it is |
264 // deleted. We need to cancel the callback as if we had been deleted, but we | 264 // deleted. We need to cancel the callback as if we had been deleted, but we |
265 // will still be deleted at some point in the future. | 265 // will still be deleted at some point in the future. |
266 // ----------------------------------------------------------------------------- | 266 // ----------------------------------------------------------------------------- |
267 void WaitableEventWatcher::WillDestroyCurrentMessageLoop() { | 267 void WaitableEventWatcher::WillDestroyCurrentMessageLoop() { |
268 StopWatching(); | 268 StopWatching(); |
269 } | 269 } |
270 | 270 |
271 } // namespace base | 271 } // namespace base |
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