File content as of revision 22:a0b1d0e6d237:

/*
 mempool.h - sleek implementation of a memory pool
 Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
 All rights reserved.

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 This program 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 General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef MEMPOOL_H
#define MEMPOOL_H

#include <inttypes.h>

#define POOLSTART   0
#define NOBLOCK     0

#include "mempool_conf.h"

struct memblock
{
    memaddress  begin;
    memaddress  size;
    memhandle   nextblock;
};

class   MemPool
{
#ifdef MEMPOOLTEST_H
    friend class    MemoryPoolTest;
#endif
protected:
    static struct memblock  blocks[MEMPOOL_NUM_MEMBLOCKS + 1];
public:

    void                init();
    static memhandle    allocBlock(memaddress);
    static void         freeBlock(memhandle);
    static void         resizeBlock(memhandle handle, memaddress position);
    static void         resizeBlock(memhandle handle, memaddress position, memaddress size);
    static memaddress   blockSize(memhandle);
};
#endif