| /* |
| * Copyright (C) 2013 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. |
| */ |
| |
| #pragma once |
| |
| #include "HandleBlock.h" |
| #include <wtf/FastMalloc.h> |
| |
| namespace JSC { |
| |
| inline HandleBlock* HandleBlock::create(HandleSet* handleSet) |
| { |
| return new (NotNull, fastAlignedMalloc(blockSize, blockSize)) HandleBlock(handleSet); |
| } |
| |
| inline void HandleBlock::destroy(HandleBlock* block) |
| { |
| block->~HandleBlock(); |
| fastAlignedFree(block); |
| } |
| |
| inline HandleBlock::HandleBlock(HandleSet* handleSet) |
| : DoublyLinkedListNode<HandleBlock>() |
| , m_handleSet(handleSet) |
| { |
| } |
| |
| inline char* HandleBlock::payloadEnd() |
| { |
| return reinterpret_cast<char*>(this) + blockSize; |
| } |
| |
| inline char* HandleBlock::payload() |
| { |
| return reinterpret_cast<char*>(this) + WTF::roundUpToMultipleOf<sizeof(double)>(sizeof(HandleBlock)); |
| } |
| |
| inline HandleNode* HandleBlock::nodes() |
| { |
| return reinterpret_cast_ptr<HandleNode*>(payload()); |
| } |
| |
| inline HandleNode* HandleBlock::nodeAtIndex(unsigned i) |
| { |
| ASSERT(i < nodeCapacity()); |
| return &nodes()[i]; |
| } |
| |
| inline unsigned HandleBlock::nodeCapacity() |
| { |
| return (payloadEnd() - payload()) / sizeof(HandleNode); |
| } |
| |
| } // namespace JSC |
