Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/qtdeclarative/src/qtdeclarative/src/3rdparty/masm/wtf/PageAllocationAligned.h |
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1 | /* | - |
2 | * Copyright (C) 2010 Apple Inc. All rights reserved. | - |
3 | * | - |
4 | * Redistribution and use in source and binary forms, with or without | - |
5 | * modification, are permitted provided that the following conditions | - |
6 | * are met: | - |
7 | * 1. Redistributions of source code must retain the above copyright | - |
8 | * notice, this list of conditions and the following disclaimer. | - |
9 | * 2. Redistributions in binary form must reproduce the above copyright | - |
10 | * notice, this list of conditions and the following disclaimer in the | - |
11 | * documentation and/or other materials provided with the distribution. | - |
12 | * | - |
13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | - |
14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | - |
15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | - |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | - |
17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | - |
18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | - |
19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | - |
20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | - |
21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | - |
22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | - |
23 | * THE POSSIBILITY OF SUCH DAMAGE. | - |
24 | */ | - |
25 | - | |
26 | #ifndef PageAllocationAligned_h | - |
27 | #define PageAllocationAligned_h | - |
28 | - | |
29 | #include <wtf/OSAllocator.h> | - |
30 | #include <wtf/PageReservation.h> | - |
31 | - | |
32 | namespace WTF { | - |
33 | - | |
34 | class PageAllocationAligned : private PageBlock { | - |
35 | public: | - |
36 | PageAllocationAligned() | - |
37 | { | - |
38 | } | - |
39 | - | |
40 | using PageBlock::operator bool; | - |
41 | using PageBlock::size; | - |
42 | using PageBlock::base; | - |
43 | - | |
44 | static PageAllocationAligned allocate(size_t size, size_t alignment, OSAllocator::Usage usage = OSAllocator::UnknownUsage, bool writable = true); | - |
45 | - | |
46 | void deallocate(); | - |
47 | - | |
48 | private: | - |
49 | #if OS(DARWIN) | - |
50 | PageAllocationAligned(void* base, size_t size) | - |
51 | : PageBlock(base, size, false) | - |
52 | { | - |
53 | } | - |
54 | #else | - |
55 | PageAllocationAligned(void* base, size_t size, void* reservationBase, size_t reservationSize) | - |
56 | : PageBlock(base, size, false) | - |
57 | , m_reservation(reservationBase, reservationSize, false) | - |
58 | { | - |
59 | } never executed: end of block | 0 |
60 | - | |
61 | PageBlock m_reservation; | - |
62 | #endif | - |
63 | }; | - |
64 | - | |
65 | - | |
66 | } // namespace WTF | - |
67 | - | |
68 | using WTF::PageAllocationAligned; | - |
69 | - | |
70 | #endif // PageAllocationAligned_h | - |
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