/* ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 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 . */ /** * @file chheap.h * @brief Heaps macros and structures. * * @addtogroup heaps * @{ */ #ifndef _CHHEAP_H_ #define _CHHEAP_H_ #if CH_USE_HEAP /* * Module dependencies check. */ #if !CH_USE_MEMCORE && !CH_USE_MALLOC_HEAP #error "CH_USE_HEAP requires CH_USE_MEMCORE or CH_USE_MALLOC_HEAP" #endif #if !CH_USE_MUTEXES && !CH_USE_SEMAPHORES #error "CH_USE_HEAP requires CH_USE_MUTEXES and/or CH_USE_SEMAPHORES" #endif typedef struct memory_heap MemoryHeap; /** * @brief Memory heap block header. */ union heap_header { stkalign_t align; struct { union { union heap_header *next; /**< @brief Next block in free list. */ MemoryHeap *heap; /**< @brief Block owner heap. */ } u; /**< @brief Overlapped fields. */ size_t size; /**< @brief Size of the memory block. */ } h; }; /** * @brief Structure describing a memory heap. */ struct memory_heap { memgetfunc_t h_provider; /**< @brief Memory blocks provider for this heap. */ union heap_header h_free; /**< @brief Free blocks list header. */ #if CH_USE_MUTEXES Mutex h_mtx; /**< @brief Heap access mutex. */ #else Semaphore h_sem; /**< @brief Heap access semaphore. */ #endif }; #ifdef __cplusplus extern "C" { #endif void heap_init(void); void chHeapInit(MemoryHeap *heapp, void *buf, size_t size); void *chHeapAlloc(MemoryHeap *heapp, size_t size); void chHeapFree(void *p); size_t chHeapStatus(MemoryHeap *heapp, size_t *sizep); #ifdef __cplusplus } #endif #endif /* CH_USE_HEAP */ #endif /* _CHHEAP_H_ */ /** @} */ root/testsuite/gna/issue376/fx3_model_unmodified.vhdl
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