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authorSteve Block <steveblock@google.com>2011-05-06 11:45:16 +0100
committerSteve Block <steveblock@google.com>2011-05-12 13:44:10 +0100
commitcad810f21b803229eb11403f9209855525a25d57 (patch)
tree29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /JavaScriptCore/wtf/PageBlock.h
parent121b0cf4517156d0ac5111caf9830c51b69bae8f (diff)
downloadexternal_webkit-cad810f21b803229eb11403f9209855525a25d57.zip
external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz
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Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'JavaScriptCore/wtf/PageBlock.h')
-rw-r--r--JavaScriptCore/wtf/PageBlock.h83
1 files changed, 0 insertions, 83 deletions
diff --git a/JavaScriptCore/wtf/PageBlock.h b/JavaScriptCore/wtf/PageBlock.h
deleted file mode 100644
index 07452b3..0000000
--- a/JavaScriptCore/wtf/PageBlock.h
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * Copyright (C) 2010 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef PageBlock_h
-#define PageBlock_h
-
-namespace WTF {
-
-size_t pageSize();
-inline bool isPageAligned(void* address) { return !(reinterpret_cast<intptr_t>(address) & (pageSize() - 1)); }
-inline bool isPageAligned(size_t size) { return !(size & (pageSize() - 1)); }
-inline bool isPowerOfTwo(size_t size) { return !(size & (size - 1)); }
-
-class PageBlock {
-public:
- PageBlock();
- PageBlock(const PageBlock&);
- PageBlock(void*, size_t);
-
- void* base() const { return m_base; }
- size_t size() const { return m_size; }
-
- operator bool() const { return !!m_base; }
-
- bool contains(void* containedBase, size_t containedSize)
- {
- return containedBase >= m_base
- && (static_cast<char*>(containedBase) + containedSize) <= (static_cast<char*>(m_base) + m_size);
- }
-
-private:
- void* m_base;
- size_t m_size;
-};
-
-inline PageBlock::PageBlock()
- : m_base(0)
- , m_size(0)
-{
-}
-
-inline PageBlock::PageBlock(const PageBlock& other)
- : m_base(other.m_base)
- , m_size(other.m_size)
-{
-}
-
-inline PageBlock::PageBlock(void* base, size_t size)
- : m_base(base)
- , m_size(size)
-{
-}
-
-} // namespace WTF
-
-using WTF::pageSize;
-using WTF::isPageAligned;
-using WTF::isPageAligned;
-using WTF::isPowerOfTwo;
-
-#endif // PageBlock_h