mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-12-15 10:44:34 -05:00
101 lines
3.0 KiB
C
Executable File
101 lines
3.0 KiB
C
Executable File
/*
|
|
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
|
|
2011,2012,2013 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/>.
|
|
|
|
---
|
|
|
|
A special exception to the GPL can be applied should you wish to distribute
|
|
a combined work that includes ChibiOS/RT, without being obliged to provide
|
|
the source code for any proprietary components. See the file exception.txt
|
|
for full details of how and when the exception can be applied.
|
|
*/
|
|
|
|
/**
|
|
* @file chheap.h
|
|
* @brief Heaps macros and structures.
|
|
*
|
|
* @addtogroup heaps
|
|
* @{
|
|
*/
|
|
|
|
#ifndef _CHHEAP_H_
|
|
#define _CHHEAP_H_
|
|
|
|
#if CH_USE_HEAP || defined(__DOXYGEN__)
|
|
|
|
/*
|
|
* 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);
|
|
#if !CH_USE_MALLOC_HEAP
|
|
void chHeapInit(MemoryHeap *heapp, void *buf, size_t size);
|
|
#endif
|
|
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_ */
|
|
|
|
/** @} */
|