/* * Copyright (C) 2018 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 "ThreadLocalCacheLayout.h" #include "BlockDirectory.h" namespace JSC { ThreadLocalCacheLayout::ThreadLocalCacheLayout() { } ThreadLocalCacheLayout::~ThreadLocalCacheLayout() { } void ThreadLocalCacheLayout::allocateOffset(BlockDirectory* directory) { auto locker = holdLock(m_lock); directory->m_tlcOffset = m_size; m_size += sizeof(LocalAllocator); m_directories.append(directory); } ThreadLocalCacheLayout::Snapshot ThreadLocalCacheLayout::snapshot() { auto locker = holdLock(m_lock); Snapshot result; result.size = m_size; result.directories = m_directories; return result; } BlockDirectory* ThreadLocalCacheLayout::directory(unsigned offset) { auto locker = holdLock(m_lock); return m_directories[offset / sizeof(LocalAllocator)]; } } // namespace JSC