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DelayedReleaseScope.h
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95 lines (78 loc) · 2.79 KB
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/*
* 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.
*/
#ifndef DelayedReleaseScope_h
#define DelayedReleaseScope_h
#include "APIShims.h"
#include "MarkedSpace.h"
namespace JSC {
#if USE(CF)
class DelayedReleaseScope {
public:
DelayedReleaseScope(MarkedSpace& markedSpace)
: m_markedSpace(markedSpace)
{
ASSERT(!m_markedSpace.m_currentDelayedReleaseScope);
m_markedSpace.m_currentDelayedReleaseScope = this;
}
~DelayedReleaseScope()
{
ASSERT(m_markedSpace.m_currentDelayedReleaseScope == this);
m_markedSpace.m_currentDelayedReleaseScope = nullptr;
APICallbackShim callbackShim(*m_markedSpace.m_heap->vm());
m_delayedReleaseObjects.clear();
}
template <typename T>
void releaseSoon(RetainPtr<T>&& object)
{
m_delayedReleaseObjects.append(std::move(object));
}
static bool isInEffectFor(MarkedSpace& markedSpace)
{
return markedSpace.m_currentDelayedReleaseScope;
}
private:
MarkedSpace& m_markedSpace;
Vector<RetainPtr<CFTypeRef>> m_delayedReleaseObjects;
};
template <typename T>
inline void MarkedSpace::releaseSoon(RetainPtr<T>&& object)
{
ASSERT(m_currentDelayedReleaseScope);
m_currentDelayedReleaseScope->releaseSoon(std::move(object));
}
#else // USE(CF)
class DelayedReleaseScope {
public:
DelayedReleaseScope(MarkedSpace&)
{
}
static bool isInEffectFor(MarkedSpace&)
{
return true;
}
};
#endif // USE(CF)
} // namespace JSC
#endif // DelayedReleaseScope_h