kdecore Library API Documentation

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 // $Id: kallocator.h,v 1.12 2004/09/09 15:23:51 faure Exp $
00026 
00027 #ifndef KALLOCATOR_H
00028 #define KALLOCATOR_H
00029 
00030 #include <qvaluelist.h>
00031 #include "kdelibs_export.h"
00032 
00033 class KZoneAllocatorPrivate;
00034 
00035 
00048 class KDECORE_EXPORT KZoneAllocator
00049 {
00050 public:
00055     KZoneAllocator(unsigned long _blockSize = 8*1024);
00056 
00060     ~KZoneAllocator();
00061 
00067     void* allocate(size_t _size);
00068 
00089     void deallocate(void *ptr);
00090 
00111     void free_since(void *ptr);
00112 
00113 protected:
00114     class MemBlock;
00115     typedef QValueList<MemBlock *> MemList;
00116     void addBlock(MemBlock *b);
00117     void delBlock(MemBlock *b);
00118     void insertHash(MemBlock *b);
00119     void initHash();
00120     MemBlock *currentBlock;
00121     unsigned long blockSize;
00122     unsigned long blockOffset;
00123     unsigned int log2;
00124     unsigned int num_blocks;
00125     MemList **hashList;
00126     unsigned int hashSize;
00127     bool hashDirty;
00128 private:
00129     KZoneAllocatorPrivate *d;
00130 };
00131 
00132 #endif
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This file is part of the documentation for kdecore Library Version 3.3.90.
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