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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 CCCompletionEvent_h | 5 #ifndef CCCompletionEvent_h |
6 #define CCCompletionEvent_h | 6 #define CCCompletionEvent_h |
7 | 7 |
8 #include "base/synchronization/waitable_event.h" | 8 #include "base/synchronization/waitable_event.h" |
9 | 9 |
10 namespace WebCore { | 10 namespace cc { |
11 | 11 |
12 // Used for making blocking calls from one thread to another. Use only when | 12 // Used for making blocking calls from one thread to another. Use only when |
13 // absolutely certain that doing-so will not lead to a deadlock. | 13 // absolutely certain that doing-so will not lead to a deadlock. |
14 // | 14 // |
15 // It is safe to destroy this object as soon as wait() returns. | 15 // It is safe to destroy this object as soon as wait() returns. |
16 class CCCompletionEvent { | 16 class CCCompletionEvent { |
17 public: | 17 public: |
18 CCCompletionEvent() | 18 CCCompletionEvent() |
19 : m_event(false /* manual_reset */, false /* initially_signaled */) | 19 : m_event(false /* manual_reset */, false /* initially_signaled */) |
20 { | 20 { |
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53 #ifndef NDEBUG | 53 #ifndef NDEBUG |
54 // Used to assert that wait() and signal() are each called exactly once. | 54 // Used to assert that wait() and signal() are each called exactly once. |
55 bool m_waited; | 55 bool m_waited; |
56 bool m_signaled; | 56 bool m_signaled; |
57 #endif | 57 #endif |
58 }; | 58 }; |
59 | 59 |
60 } | 60 } |
61 | 61 |
62 #endif | 62 #endif |
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