mirror of
https://github.com/Samsung/escargot.git
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4432709661
* Update yarr (webkitgtk-2.18.5) & import into repo * Implement new RegExp ES6 error when unicode flag is on * Fix ignorecase bug on RegExp Signed-off-by: seonghyun kim <sh8281.kim@samsung.com>
82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
/*
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* Copyright (C) 2010 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef ESCARGOT
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#include "config.h"
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#else
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#include "Escargot.h"
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#endif
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#include "PageBlock.h"
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#if defined(OS_POSIX)
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#include <unistd.h>
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#endif
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#if defined(OS_WINDOWS)
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#include <malloc.h>
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#include <windows.h>
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#endif
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namespace WTF {
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static size_t s_pageSize;
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static size_t s_pageMask;
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#if defined(OS_POSIX)
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inline size_t systemPageSize()
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{
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return getpagesize();
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}
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#elif defined(OS_WINDOWS)
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inline size_t systemPageSize()
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{
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static size_t size = 0;
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SYSTEM_INFO system_info;
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GetSystemInfo(&system_info);
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size = system_info.dwPageSize;
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return size;
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}
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#endif
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size_t pageSize()
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{
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if (!s_pageSize)
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s_pageSize = systemPageSize();
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ASSERT(isPowerOfTwo(s_pageSize));
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return s_pageSize;
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}
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size_t pageMask()
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{
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if (!s_pageMask)
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s_pageMask = ~(pageSize() - 1);
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return s_pageMask;
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}
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} // namespace WTF
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