83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
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/*
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ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT 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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ChibiOS/RT 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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/**
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* @file mempools.h
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* @brief Memory Pools macros and structures.
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* @addtogroup MemoryPools
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* @{
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*/
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#ifndef _MEMPOOLS_H_
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#define _MEMPOOLS_H_
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#if CH_USE_MEMPOOLS
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/**
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* @brief Memory pool free object header.
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*/
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struct pool_header {
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struct pool_header *ph_next;
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};
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/**
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* @brief Memory pool descriptor.
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*/
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typedef struct {
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struct pool_header *mp_next; /**< Pointer to the header.*/
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size_t mp_object_size; /**< Memory pool objects size.*/
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} MemoryPool;
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/**
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* @brief Data part of a static memory pool initializer.
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* @details This macro should be used when statically initializing a
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* memory pool that is part of a bigger structure.
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* @param name the name of the memory pool variable
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* @param size size of the memory pool contained objects
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*/
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#define _MEMORYPOOL_DATA(name, size) {NULL, size}
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/**
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* @brief Static memory pool initializer.
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* @details Statically initialized memory pools require no explicit
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* initialization using @p chPoolInit().
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* @param name the name of the memory pool variable
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* @param size size of the memory pool contained objects
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*/
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#define MEMORYPOOL_DECL(name, size) \
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MemoryPool name = _MEMORYPOOL_DATA(name, size)
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#ifdef __cplusplus
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extern "C" {
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#endif
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void chPoolInit(MemoryPool *mp, size_t size);
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void *chPoolAllocI(MemoryPool *mp);
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void *chPoolAlloc(MemoryPool *mp);
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void chPoolFreeI(MemoryPool *mp, void *objp);
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void chPoolFree(MemoryPool *mp, void *objp);
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#ifdef __cplusplus
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}
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#endif
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#endif /* CH_USE_MEMPOOLS */
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#endif /* _MEMPOOLS_H_ */
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/** @} */
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