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Side by Side Diff: cc/CCScopedThreadProxy.h

Issue 10914268: Change cc files from namespace WebCore to cc (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Rebased Created 8 years, 3 months ago
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1 // Copyright 2011 The Chromium Authors. All rights reserved. 1 // Copyright 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 #ifndef CCScopedThreadProxy_h 5 #ifndef CCScopedThreadProxy_h
6 #define CCScopedThreadProxy_h 6 #define CCScopedThreadProxy_h
7 7
8 #include "CCThreadTask.h" 8 #include "CCThreadTask.h"
9 #include "base/threading/platform_thread.h" 9 #include "base/threading/platform_thread.h"
10 #include <wtf/ThreadSafeRefCounted.h> 10 #include <wtf/ThreadSafeRefCounted.h>
11 11
12 namespace WebCore { 12 namespace cc {
13 13
14 // This class is a proxy used to post tasks to an target thread from any other t hread. The proxy may be shut down at 14 // This class is a proxy used to post tasks to an target thread from any other t hread. The proxy may be shut down at
15 // any point from the target thread after which no more tasks posted to the prox y will run. In other words, all 15 // any point from the target thread after which no more tasks posted to the prox y will run. In other words, all
16 // tasks posted via a proxy are scoped to the lifecycle of the proxy. Use this w hen posting tasks to an object that 16 // tasks posted via a proxy are scoped to the lifecycle of the proxy. Use this w hen posting tasks to an object that
17 // might die with tasks in flight. 17 // might die with tasks in flight.
18 // 18 //
19 // The proxy must be created and shut down from the target thread, tasks may be posted from any thread. 19 // The proxy must be created and shut down from the target thread, tasks may be posted from any thread.
20 // 20 //
21 // Implementation note: Unlike ScopedRunnableMethodFactory in Chromium, pending tasks are not cancelled by actually 21 // Implementation note: Unlike ScopedRunnableMethodFactory in Chromium, pending tasks are not cancelled by actually
22 // destroying the proxy. Instead each pending task holds a reference to the prox y to avoid maintaining an explicit 22 // destroying the proxy. Instead each pending task holds a reference to the prox y to avoid maintaining an explicit
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63 deref(); 63 deref();
64 } 64 }
65 65
66 CCThread* m_targetThread; 66 CCThread* m_targetThread;
67 bool m_shutdown; // Only accessed on the target thread 67 bool m_shutdown; // Only accessed on the target thread
68 }; 68 };
69 69
70 } 70 }
71 71
72 #endif 72 #endif
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