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/*
* Copyright (C) 2012 Research In Motion Limited. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "GCActivityCallback.h"
#include "Heap.h"
#include "VM.h"
#include <BlackBerryPlatformMemory.h>
namespace JSC {
DefaultGCActivityCallback::DefaultGCActivityCallback(Heap* heap)
: GCActivityCallback(heap->vm())
{
}
void DefaultGCActivityCallback::doWork()
{
JSLockHolder lock(m_vm);
m_vm->heap.collect(Heap::DoNotSweep);
}
void DefaultGCActivityCallback::didAllocate(size_t)
{
if (m_timer.started())
return;
// Try using ~5% CPU time.
m_timer.start(m_vm->heap.lastGCLength() * 20);
}
void DefaultGCActivityCallback::willCollect()
{
cancel();
}
void DefaultGCActivityCallback::cancel()
{
m_timer.stop();
}
}
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