72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
/*
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mempool.h - sleek implementation of a memory pool
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Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
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All rights reserved.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MEMPOOL_H
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#define MEMPOOL_H
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#include <inttypes.h>
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#define POOLSTART 0
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#define NOBLOCK 0
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#include "mempool_conf.h"
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//#ifdef MEMBLOCK_MV
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//#define memblock_mv_cb(dest,src,size) MEMBLOCK_MV(dest,src,size)
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//#endif
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#ifdef MEMBLOCK_ALLOC
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#define memblock_alloc_cb(address,size) MEMBLOCK_ALLOC(address,size)
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#endif
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#ifdef MEMBLOCK_FREE
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#define memblock_free_cb(address,size) MEMBLOCK_FREE(address,size)
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#endif
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struct memblock
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{
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memaddress begin;
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memaddress size;
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memhandle nextblock;
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};
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class MemoryPool
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{
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#ifdef MEMPOOLTEST_H
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friend class MemoryPoolTest;
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#endif
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protected:
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memaddress poolsize;
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struct memblock blocks[NUM_MEMBLOCKS+1];
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#ifdef MEMBLOCK_MV
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virtual void memblock_mv_cb(memaddress dest, memaddress src, memaddress size) = 0;
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#endif
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public:
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MemoryPool(memaddress start, memaddress size);
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memhandle
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allocBlock(memaddress);
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void freeBlock(memhandle);
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void resizeBlock(memhandle handle, memaddress position);
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void resizeBlock(memhandle handle, memaddress position, memaddress size);
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memaddress blockSize(memhandle);
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};
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#endif
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