kallocator.h

/*
    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 <tqvaluelist.h>
#include "tdelibs_export.h"
 
class TDEZoneAllocatorPrivate;
 

class TDECORE_EXPORT TDEZoneAllocator
{
public:
    TDEZoneAllocator(unsigned long _blockSize = 8*1024);

    ~TDEZoneAllocator();

    void* allocate(size_t _size);

    void deallocate(void *ptr);

    void free_since(void *ptr);
 
protected:
    class MemBlock;
    typedef TQValueList<MemBlock *> MemList;
    void addBlock(MemBlock *b);
    void delBlock(MemBlock *b);
    void insertHash(MemBlock *b);
    void initHash();
    MemBlock *currentBlock; 
    unsigned long blockSize; 
    unsigned long blockOffset;
    unsigned int log2;
    unsigned int num_blocks;
    MemList **hashList;
    unsigned int hashSize;
    bool hashDirty;
private:
    TDEZoneAllocatorPrivate *d;
};
 
#endif