| Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/qtdeclarative/src/qtdeclarative/src/3rdparty/masm/wtf/PageBlock.cpp |
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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 | #include "config.h" | - | ||||||
| 27 | #include "PageBlock.h" | - | ||||||
| 28 | - | |||||||
| 29 | #if OS(UNIX) | - | ||||||
| 30 | #include <unistd.h> | - | ||||||
| 31 | #endif | - | ||||||
| 32 | - | |||||||
| 33 | #if OS(WINDOWS) | - | ||||||
| 34 | #include <malloc.h> | - | ||||||
| 35 | #include <windows.h> | - | ||||||
| 36 | #endif | - | ||||||
| 37 | - | |||||||
| 38 | namespace WTF { | - | ||||||
| 39 | - | |||||||
| 40 | static size_t s_pageSize; | - | ||||||
| 41 | static size_t s_pageMask; | - | ||||||
| 42 | - | |||||||
| 43 | #if OS(UNIX) | - | ||||||
| 44 | - | |||||||
| 45 | inline size_t systemPageSize() | - | ||||||
| 46 | { | - | ||||||
| 47 | return ::sysconf(_SC_PAGESIZE); executed 389 times by 178 tests: return ::sysconf( _SC_PAGESIZE );Executed by:
| 389 | ||||||
| 48 | } | - | ||||||
| 49 | - | |||||||
| 50 | #elif OS(WINDOWS) | - | ||||||
| 51 | - | |||||||
| 52 | inline size_t systemPageSize() | - | ||||||
| 53 | { | - | ||||||
| 54 | static size_t size = 0; | - | ||||||
| 55 | SYSTEM_INFO system_info; | - | ||||||
| 56 | #if OS(WINRT) | - | ||||||
| 57 | GetNativeSystemInfo(&system_info); | - | ||||||
| 58 | #else | - | ||||||
| 59 | GetSystemInfo(&system_info); | - | ||||||
| 60 | #endif | - | ||||||
| 61 | size = system_info.dwPageSize; | - | ||||||
| 62 | return size; | - | ||||||
| 63 | } | - | ||||||
| 64 | - | |||||||
| 65 | #endif | - | ||||||
| 66 | - | |||||||
| 67 | size_t pageSize() | - | ||||||
| 68 | { | - | ||||||
| 69 | if (!s_pageSize)
| 389-14491157 | ||||||
| 70 | s_pageSize = systemPageSize(); executed 389 times by 178 tests: s_pageSize = systemPageSize();Executed by:
| 389 | ||||||
| 71 | ASSERT(isPowerOfTwo(s_pageSize)); | - | ||||||
| 72 | return s_pageSize; executed 14494567 times by 178 tests: return s_pageSize;Executed by:
| 14494567 | ||||||
| 73 | } | - | ||||||
| 74 | - | |||||||
| 75 | size_t pageMask() | - | ||||||
| 76 | { | - | ||||||
| 77 | if (!s_pageMask)
| 0 | ||||||
| 78 | s_pageMask = ~(pageSize() - 1); never executed: s_pageMask = ~(pageSize() - 1); | 0 | ||||||
| 79 | return s_pageMask; never executed: return s_pageMask; | 0 | ||||||
| 80 | } | - | ||||||
| 81 | - | |||||||
| 82 | } // namespace WTF | - | ||||||
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