| Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/qtdeclarative/src/qtdeclarative/src/3rdparty/masm/wtf/PageAllocationAligned.h |
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| Line | Source | Count |
|---|---|---|
| 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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