blob: 5b9267bc76326c4e975ee490dda0dc4a8c8938ce [file] [log] [blame]
/*
* Copyright (C) 2012 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.
*/
#ifndef IncrementalSweeper_h
#define IncrementalSweeper_h
#include "HeapTimer.h"
#include "MarkedBlock.h"
#include <wtf/HashSet.h>
#include <wtf/PassOwnPtr.h>
#include <wtf/RetainPtr.h>
#include <wtf/Vector.h>
namespace JSC {
class Heap;
class IncrementalSweeper : public HeapTimer {
public:
static IncrementalSweeper* create(Heap*);
void startSweeping(Vector<MarkedBlock*>&);
virtual void doWork();
void sweepNextBlock();
void willFinishSweeping();
private:
#if USE(CF) || PLATFORM(BLACKBERRY)
#if USE(CF)
IncrementalSweeper(Heap*, CFRunLoopRef);
#else
IncrementalSweeper(Heap*);
#endif
void doSweep(double startTime);
void scheduleTimer();
void cancelTimer();
unsigned m_currentBlockToSweepIndex;
Vector<MarkedBlock*>& m_blocksToSweep;
#else
IncrementalSweeper(JSGlobalData*);
#endif
};
} // namespace JSC
#endif