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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 CC_COMPLETION_EVENT_H_ | 5 #ifndef CC_BASE_COMPLETION_EVENT_H_ |
| 6 #define CC_COMPLETION_EVENT_H_ | 6 #define CC_BASE_COMPLETION_EVENT_H_ |
| 7 | 7 |
| 8 #include "base/logging.h" |
| 8 #include "base/synchronization/waitable_event.h" | 9 #include "base/synchronization/waitable_event.h" |
| 9 #include "base/threading/thread_restrictions.h" | 10 #include "base/threading/thread_restrictions.h" |
| 10 #include "base/logging.h" | |
| 11 | 11 |
| 12 namespace cc { | 12 namespace cc { |
| 13 | 13 |
| 14 // Used for making blocking calls from one thread to another. Use only when | 14 // Used for making blocking calls from one thread to another. Use only when |
| 15 // absolutely certain that doing-so will not lead to a deadlock. | 15 // absolutely certain that doing-so will not lead to a deadlock. |
| 16 // | 16 // |
| 17 // It is safe to destroy this object as soon as wait() returns. | 17 // It is safe to destroy this object as soon as wait() returns. |
| 18 class CompletionEvent { | 18 class CompletionEvent { |
| 19 public: | 19 public: |
| 20 CompletionEvent() | 20 CompletionEvent() |
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| 57 base::WaitableEvent m_event; | 57 base::WaitableEvent m_event; |
| 58 #ifndef NDEBUG | 58 #ifndef NDEBUG |
| 59 // Used to assert that wait() and signal() are each called exactly once. | 59 // Used to assert that wait() and signal() are each called exactly once. |
| 60 bool m_waited; | 60 bool m_waited; |
| 61 bool m_signaled; | 61 bool m_signaled; |
| 62 #endif | 62 #endif |
| 63 }; | 63 }; |
| 64 | 64 |
| 65 } | 65 } |
| 66 | 66 |
| 67 #endif // CC_COMPLETION_EVENT_H_ | 67 #endif // CC_BASE_COMPLETION_EVENT_H_ |
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