/*
* Copyright (C) 2012 SoftAtHome. 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 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 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 MallocStatistics_h
#define MallocStatistics_h
#include "heap/Handle.h"
#include "wtf/FastMalloc.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefCounted.h"
namespace WebCore {
class MallocStatistics : public RefCountedWillBeGarbageCollected<MallocStatistics> {
public:
static PassRefPtrWillBeRawPtr<MallocStatistics> create()
{
return adoptRefWillBeNoop(new MallocStatistics());
}
size_t reservedVMBytes() const { return m_stats.reservedVMBytes; }
size_t committedVMBytes() const { return m_stats.committedVMBytes; }
size_t freeListBytes() const { return m_stats.freeListBytes; }
void trace(Visitor*) { }
private:
MallocStatistics()
{
m_stats = WTF::fastMallocStatistics();
}
WTF::FastMallocStatistics m_stats;
};
} // namespace WebCore
#endif