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utility/mempool.h@1:01c2344f98a3, 2014-11-20 (annotated)
- Committer:
- hudakz
- Date:
- Thu Nov 20 21:26:54 2014 +0000
- Revision:
- 1:01c2344f98a3
- Parent:
- uitility/mempool.h@0:5350a66d5279
rev. 01
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
hudakz | 0:5350a66d5279 | 1 | /* |
hudakz | 0:5350a66d5279 | 2 | mempool.h - sleek implementation of a memory pool |
hudakz | 0:5350a66d5279 | 3 | Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de> |
hudakz | 0:5350a66d5279 | 4 | All rights reserved. |
hudakz | 0:5350a66d5279 | 5 | |
hudakz | 0:5350a66d5279 | 6 | This program is free software: you can redistribute it and/or modify |
hudakz | 0:5350a66d5279 | 7 | it under the terms of the GNU General Public License as published by |
hudakz | 0:5350a66d5279 | 8 | the Free Software Foundation, either version 3 of the License, or |
hudakz | 0:5350a66d5279 | 9 | (at your option) any later version. |
hudakz | 0:5350a66d5279 | 10 | |
hudakz | 0:5350a66d5279 | 11 | This program is distributed in the hope that it will be useful, |
hudakz | 0:5350a66d5279 | 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
hudakz | 0:5350a66d5279 | 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
hudakz | 0:5350a66d5279 | 14 | GNU General Public License for more details. |
hudakz | 0:5350a66d5279 | 15 | |
hudakz | 0:5350a66d5279 | 16 | You should have received a copy of the GNU General Public License |
hudakz | 0:5350a66d5279 | 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
hudakz | 0:5350a66d5279 | 18 | */ |
hudakz | 0:5350a66d5279 | 19 | #ifndef MEMPOOL_H |
hudakz | 0:5350a66d5279 | 20 | #define MEMPOOL_H |
hudakz | 0:5350a66d5279 | 21 | |
hudakz | 0:5350a66d5279 | 22 | #include <inttypes.h> |
hudakz | 0:5350a66d5279 | 23 | |
hudakz | 0:5350a66d5279 | 24 | #define POOLSTART 0 |
hudakz | 0:5350a66d5279 | 25 | #define NOBLOCK 0 |
hudakz | 0:5350a66d5279 | 26 | |
hudakz | 0:5350a66d5279 | 27 | #include "mempool_conf.h" |
hudakz | 0:5350a66d5279 | 28 | |
hudakz | 0:5350a66d5279 | 29 | //#ifdef MEMBLOCK_MV |
hudakz | 0:5350a66d5279 | 30 | |
hudakz | 0:5350a66d5279 | 31 | //#define memblock_mv_cb(dest,src,size) MEMBLOCK_MV(dest,src,size) |
hudakz | 0:5350a66d5279 | 32 | //#endif |
hudakz | 0:5350a66d5279 | 33 | #ifdef MEMBLOCK_ALLOC |
hudakz | 0:5350a66d5279 | 34 | #define memblock_alloc_cb(address, size) MEMBLOCK_ALLOC(address, size) |
hudakz | 0:5350a66d5279 | 35 | #endif |
hudakz | 0:5350a66d5279 | 36 | #ifdef MEMBLOCK_FREE |
hudakz | 0:5350a66d5279 | 37 | #define memblock_free_cb(address, size) MEMBLOCK_FREE(address, size) |
hudakz | 0:5350a66d5279 | 38 | #endif |
hudakz | 0:5350a66d5279 | 39 | struct memblock |
hudakz | 0:5350a66d5279 | 40 | { |
hudakz | 0:5350a66d5279 | 41 | memaddress begin; |
hudakz | 0:5350a66d5279 | 42 | memaddress size; |
hudakz | 0:5350a66d5279 | 43 | memhandle nextblock; |
hudakz | 0:5350a66d5279 | 44 | }; |
hudakz | 0:5350a66d5279 | 45 | |
hudakz | 0:5350a66d5279 | 46 | class MemoryPool |
hudakz | 0:5350a66d5279 | 47 | { |
hudakz | 0:5350a66d5279 | 48 | #ifdef MEMPOOLTEST_H |
hudakz | 0:5350a66d5279 | 49 | friend class MemoryPoolTest; |
hudakz | 0:5350a66d5279 | 50 | #endif |
hudakz | 0:5350a66d5279 | 51 | protected: |
hudakz | 0:5350a66d5279 | 52 | memaddress poolsize; |
hudakz | 0:5350a66d5279 | 53 | struct memblock blocks[NUM_MEMBLOCKS + 1]; |
hudakz | 0:5350a66d5279 | 54 | #ifdef MEMBLOCK_MV |
hudakz | 0:5350a66d5279 | 55 | virtual void memblock_mv_cb(memaddress dest, memaddress src, memaddress size) = 0; |
hudakz | 0:5350a66d5279 | 56 | #endif |
hudakz | 0:5350a66d5279 | 57 | public: |
hudakz | 0:5350a66d5279 | 58 | MemoryPool(memaddress start, memaddress size); |
hudakz | 0:5350a66d5279 | 59 | memhandle allocBlock(memaddress); |
hudakz | 0:5350a66d5279 | 60 | void freeBlock(memhandle); |
hudakz | 0:5350a66d5279 | 61 | void resizeBlock(memhandle handle, memaddress position); |
hudakz | 0:5350a66d5279 | 62 | void resizeBlock(memhandle handle, memaddress position, memaddress size); |
hudakz | 0:5350a66d5279 | 63 | memaddress blockSize(memhandle); |
hudakz | 0:5350a66d5279 | 64 | }; |
hudakz | 0:5350a66d5279 | 65 | #endif |