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path: root/Source/JavaScriptCore/heap/BumpSpace.cpp
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/*
 * Copyright (C) 2011 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. ``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
 * 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. 
 */

#include "config.h"
#include "BumpSpace.h"

#include "BumpSpaceInlineMethods.h"

namespace JSC {

CheckedBoolean BumpSpace::tryAllocateSlowCase(size_t bytes, void** outPtr)
{
    if (isOversize(bytes))
        return tryAllocateOversize(bytes, outPtr);
    
    m_totalMemoryUtilized += static_cast<size_t>(static_cast<char*>(m_currentBlock->m_offset) - m_currentBlock->m_payload);
    if (!addNewBlock()) {
        *outPtr = 0;
        return false;
    }
    m_toSpaceFilter.add(reinterpret_cast<Bits>(m_currentBlock));
    m_toSpaceSet.add(m_currentBlock);
    *outPtr = allocateFromBlock(m_currentBlock, bytes);
    return true;
}

} // namespace JSC