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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 DoubleBufferedDeque_h | 5 #ifndef DoubleBufferedDeque_h |
| 6 #define DoubleBufferedDeque_h | 6 #define DoubleBufferedDeque_h |
| 7 | 7 |
| 8 #include "wtf/Deque.h" | 8 #include "sky/engine/wtf/Deque.h" |
| 9 #include "wtf/Noncopyable.h" | 9 #include "sky/engine/wtf/Noncopyable.h" |
| 10 | 10 |
| 11 namespace WTF { | 11 namespace WTF { |
| 12 | 12 |
| 13 // A helper class for managing double buffered deques, typically where the clien
t locks when appending or swapping. | 13 // A helper class for managing double buffered deques, typically where the clien
t locks when appending or swapping. |
| 14 template <typename T> class DoubleBufferedDeque { | 14 template <typename T> class DoubleBufferedDeque { |
| 15 WTF_MAKE_NONCOPYABLE(DoubleBufferedDeque); | 15 WTF_MAKE_NONCOPYABLE(DoubleBufferedDeque); |
| 16 public: | 16 public: |
| 17 DoubleBufferedDeque() | 17 DoubleBufferedDeque() |
| 18 : m_activeIndex(0) { } | 18 : m_activeIndex(0) { } |
| 19 | 19 |
| (...skipping 18 matching lines...) Expand all Loading... |
| 38 private: | 38 private: |
| 39 Deque<T> m_queue[2]; | 39 Deque<T> m_queue[2]; |
| 40 int m_activeIndex; | 40 int m_activeIndex; |
| 41 }; | 41 }; |
| 42 | 42 |
| 43 } // namespace WTF | 43 } // namespace WTF |
| 44 | 44 |
| 45 using WTF::DoubleBufferedDeque; | 45 using WTF::DoubleBufferedDeque; |
| 46 | 46 |
| 47 #endif // DoubleBufferedDeque_h | 47 #endif // DoubleBufferedDeque_h |
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