kallocator.h

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/*
    This file is part of the KDE libraries

    Copyright (C) 1999 Waldo Bastian (bastian@kde.org)
    Copyright (C) 2002 Michael Matz (matz@kde.org)
              
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/
//----------------------------------------------------------------------------
//
// KDE Memory Allocator

#ifndef KALLOCATOR_H
#define KALLOCATOR_H

#include <kdecore_export.h>

template <typename T> class QList;


class KDECORE_EXPORT KZoneAllocator
{
public:
    explicit KZoneAllocator(unsigned long _blockSize = 8*1024);

    ~KZoneAllocator();

    void* allocate(size_t _size);

    void deallocate(void *ptr);

    void free_since(void *ptr);

protected:
    class MemBlock;
    typedef QList<MemBlock *> MemList;
    void addBlock(MemBlock *b);
    void delBlock(MemBlock *b);
    void insertHash(MemBlock *b);
    void initHash();
private:
    class Private;
    Private * const d;
};

#endif