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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef ThreadSafeDataTransport_h | 26 #ifndef ThreadSafeDataTransport_h |
27 #define ThreadSafeDataTransport_h | 27 #define ThreadSafeDataTransport_h |
28 | 28 |
29 #include <wtf/OwnPtr.h> | 29 #include "wtf/OwnPtr.h" |
30 #include <wtf/PassOwnPtr.h> | 30 #include "wtf/PassOwnPtr.h" |
31 #include <wtf/RefPtr.h> | 31 #include "wtf/RefPtr.h" |
32 #include <wtf/ThreadingPrimitives.h> | 32 #include "wtf/ThreadingPrimitives.h" |
33 #include <wtf/Vector.h> | 33 #include "wtf/Vector.h" |
34 | 34 |
35 namespace WebCore { | 35 namespace WebCore { |
36 | 36 |
37 class SharedBuffer; | 37 class SharedBuffer; |
38 | 38 |
39 // The purpose of this class is to allow the transfer of data stored in | 39 // The purpose of this class is to allow the transfer of data stored in |
40 // SharedBuffer in a thread-safe manner, and to minimize memory copies | 40 // SharedBuffer in a thread-safe manner, and to minimize memory copies |
41 // and thread contention. | 41 // and thread contention. |
42 // | 42 // |
43 // This class is designed such that there is only one producer and | 43 // This class is designed such that there is only one producer and |
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63 | 63 |
64 Vector<RefPtr<SharedBuffer> > m_newBufferQueue; | 64 Vector<RefPtr<SharedBuffer> > m_newBufferQueue; |
65 RefPtr<SharedBuffer> m_readBuffer; | 65 RefPtr<SharedBuffer> m_readBuffer; |
66 bool m_allDataReceived; | 66 bool m_allDataReceived; |
67 size_t m_readPosition; | 67 size_t m_readPosition; |
68 }; | 68 }; |
69 | 69 |
70 } // namespace WebCore | 70 } // namespace WebCore |
71 | 71 |
72 #endif | 72 #endif |
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