/* * Copyright (C) 2019 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 "CachePayload.h" namespace JSC { CachePayload CachePayload::makeMappedPayload(FileSystem::MappedFileData&& data) { return CachePayload(true, data.leakHandle(), data.size()); } CachePayload CachePayload::makeMallocPayload(MallocPtr<uint8_t, VMMalloc>&& data, size_t size) { return CachePayload(false, data.leakPtr(), size); } CachePayload CachePayload::makeEmptyPayload() { return CachePayload(true, nullptr, 0); } CachePayload::CachePayload(CachePayload&& other) { m_mapped = other.m_mapped; m_size = other.m_size; m_data = other.m_data; other.m_mapped = false; other.m_data = nullptr; other.m_size = 0; } CachePayload::~CachePayload() { freeData(); } CachePayload& CachePayload::operator=(CachePayload&& other) { ASSERT(&other != this); freeData(); return *new (this) CachePayload(WTFMove(other)); } void CachePayload::freeData() { if (!m_data) return; if (m_mapped) { FileSystem::unmapViewOfFile(m_data, m_size); } else fastFree(m_data); } } // namespace JSC