mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
/*
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* Copyright (C) 2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "CachePayload.h"
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namespace JSC {
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CachePayload CachePayload::makeMappedPayload(FileSystem::MappedFileData&& data)
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{
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return CachePayload(true, data.leakHandle(), data.size());
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}
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CachePayload CachePayload::makeMallocPayload(MallocPtr<uint8_t, VMMalloc>&& data, size_t size)
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{
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return CachePayload(false, data.leakPtr(), size);
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}
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CachePayload CachePayload::makeEmptyPayload()
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{
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return CachePayload(true, nullptr, 0);
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}
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CachePayload::CachePayload(CachePayload&& other)
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{
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m_mapped = other.m_mapped;
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m_size = other.m_size;
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m_data = other.m_data;
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other.m_mapped = false;
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other.m_data = nullptr;
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other.m_size = 0;
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}
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CachePayload::~CachePayload()
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{
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freeData();
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}
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CachePayload& CachePayload::operator=(CachePayload&& other)
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{
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ASSERT(&other != this);
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freeData();
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return *new (this) CachePayload(WTFMove(other));
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}
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void CachePayload::freeData()
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{
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if (!m_data)
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return;
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if (m_mapped) {
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FileSystem::unmapViewOfFile(m_data, m_size);
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} else
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fastFree(m_data);
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}
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} // namespace JSC
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