iCE40/ghdl - [no description]

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Diffstat (limited to 'src/vhdl/simulate/execution.adb')

0 files changed, 0 insertions, 0 deletions

/* ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio. This file is part of ChibiOS/RT. ChibiOS/RT 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. ChibiOS/RT 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/>. */ /** * @file chmempools.c * @brief Memory Pools code. * @addtogroup pools * @{ */ #include <ch.h> #if CH_USE_MEMPOOLS /** * @brief Initializes an empty memory pool. * * @param[out] mp pointer to a @p MemoryPool structure * @param[in] size the size of the objects contained in this memory pool, * the minimum accepted size is the size of a pointer to void */ void chPoolInit(MemoryPool *mp, size_t size) { chDbgCheck((mp != NULL) && (size >= sizeof(void *)), "chPoolInit"); mp->mp_next = NULL; mp->mp_object_size = size; } /** * @brief Allocates an object from a memory pool. * * @param[in] mp pointer to a @p MemoryPool structure * @return The pointer to the allocated object. * @retval NULL if pool is empty. */ void *chPoolAllocI(MemoryPool *mp) { void *objp; chDbgCheck(mp != NULL, "chPoolAllocI"); if ((objp = mp->mp_next) != NULL) mp->mp_next = mp->mp_next->ph_next; return objp; } /** * @brief Allocates an object from a memory pool. * * @param[in] mp pointer to a @p MemoryPool structure * @return The pointer to the allocated object. * @retval NULL if pool is empty. */ void *chPoolAlloc(MemoryPool *mp) { void *objp; chSysLock(); objp = chPoolAllocI(mp); chSysUnlock(); return objp; } /** * @brief Releases (or adds) an object into (to) a memory pool. * * @param[in] mp pointer to a @p MemoryPool structure * @param[in] objp the pointer to the object to be released or added * @note the object is assumed to be of the right size for the specified * memory pool. */ void chPoolFreeI(MemoryPool *mp, void *objp) { struct pool_header *php = objp; chDbgCheck((mp != NULL) && (objp != NULL), "chPoolFreeI"); php->ph_next = mp->mp_next; mp->mp_next = php; } /** * @brief Releases (or adds) an object into (to) a memory pool. * * @param[in] mp pointer to a @p MemoryPool structure * @param[in] objp the pointer to the object to be released or added * @note the object is assumed to be of the right size for the specified * memory pool. */ void chPoolFree(MemoryPool *mp, void *objp) { chSysLock(); chPoolFreeI(mp, objp); chSysUnlock(); } #endif /* CH_USE_MEMPOOLS */ /** @} */


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