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# kallocator.h

    00001 /*
    00002     This file is part of the KDE libraries
    00003
    00004     Copyright (C) 1999 Waldo Bastian (bastian@kde.org)
    00005     Copyright (C) 2002 Michael Matz (matz@kde.org)
    00006
    00007     This library is free software; you can redistribute it and/or
    00008     modify it under the terms of the GNU Library General Public
    00009     License as published by the Free Software Foundation; either
    00010     version 2 of the License, or (at your option) any later version.
    00011
    00012     This library is distributed in the hope that it will be useful,
    00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00015     Library General Public License for more details.
    00016
    00017     You should have received a copy of the GNU Library General Public License
    00018     along with this library; see the file COPYING.LIB.  If not, write to
    00019     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    00020     Boston, MA 02111-1307, USA.
    00021 */
    00022 //----------------------------------------------------------------------------
    00023 //
    00024 // KDE Memory Allocator
    00025
    00026 #ifndef KALLOCATOR_H
    00027 #define KALLOCATOR_H
    00028
    00029 #include <qvaluelist.h>
    00030 #include "kdelibs_export.h"
    00031
    00032 class KZoneAllocatorPrivate;
    00033
    00034
    00046 class KDECORE_EXPORT KZoneAllocator
    00047 {
    00048 public:
    00053     KZoneAllocator(unsigned long _blockSize = 8*1024);
    00054
    00058     ~KZoneAllocator();
    00059
    00065     void* allocate(size_t _size);
    00066
    00087     void deallocate(void *ptr);
    00088
    00109     void free_since(void *ptr);
    00110
    00111 protected:
    00112     class MemBlock;
    00113     typedef QValueList<MemBlock *> MemList;
    00114     void addBlock(MemBlock *b);
    00115     void delBlock(MemBlock *b);
    00116     void insertHash(MemBlock *b);
    00117     void initHash();
    00118     MemBlock *currentBlock;
    00119     unsigned long blockSize;
    00120     unsigned long blockOffset;
    00121     unsigned int log2;
    00122     unsigned int num_blocks;
    00123     MemList **hashList;
    00124     unsigned int hashSize;
    00125     bool hashDirty;
    00126 private:
    00127     KZoneAllocatorPrivate *d;
    00128 };
    00129
    00130 #endif

This file is part of the documentation for kdecore Library Version 3.4.1.
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