diff options
Diffstat (limited to 'os/kernel/src/chdynamic.c')
| -rw-r--r-- | os/kernel/src/chdynamic.c | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/os/kernel/src/chdynamic.c b/os/kernel/src/chdynamic.c deleted file mode 100644 index 632367ca1..000000000 --- a/os/kernel/src/chdynamic.c +++ /dev/null @@ -1,204 +0,0 @@ -/*
- 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/>.
-*/
-
-/**
- * @file chdynamic.c
- * @brief Dynamic threads code.
- *
- * @addtogroup dynamic_threads
- * @details Dynamic threads related APIs and services.
- * @{
- */
-
-#include "ch.h"
-
-#if CH_USE_DYNAMIC || defined(__DOXYGEN__)
-
-/**
- * @brief Adds a reference to a thread object.
- * @pre The configuration option @p CH_USE_DYNAMIC must be enabled in order
- * to use this function.
- *
- * @param[in] tp pointer to the thread
- * @return The same thread pointer passed as parameter
- * representing the new reference.
- *
- * @api
- */
-Thread *chThdAddRef(Thread *tp) {
-
- chSysLock();
- chDbgAssert(tp->p_refs < 255, "chThdAddRef(), #1", "too many references");
- tp->p_refs++;
- chSysUnlock();
- return tp;
-}
-
-/**
- * @brief Releases a reference to a thread object.
- * @details If the references counter reaches zero <b>and</b> the thread
- * is in the @p THD_STATE_FINAL state then the thread's memory is
- * returned to the proper allocator.
- * @pre The configuration option @p CH_USE_DYNAMIC must be enabled in order
- * to use this function.
- * @note Static threads are not affected.
- *
- * @param[in] tp pointer to the thread
- *
- * @api
- */
-void chThdRelease(Thread *tp) {
- trefs_t refs;
-
- chSysLock();
- chDbgAssert(tp->p_refs > 0, "chThdRelease(), #1", "not referenced");
- refs = --tp->p_refs;
- chSysUnlock();
-
- /* If the references counter reaches zero and the thread is in its
- terminated state then the memory can be returned to the proper
- allocator. Of course static threads are not affected.*/
- if ((refs == 0) && (tp->p_state == THD_STATE_FINAL)) {
- switch (tp->p_flags & THD_MEM_MODE_MASK) {
-#if CH_USE_HEAP
- case THD_MEM_MODE_HEAP:
-#if CH_USE_REGISTRY
- REG_REMOVE(tp);
-#endif
- chHeapFree(tp);
- break;
-#endif
-#if CH_USE_MEMPOOLS
- case THD_MEM_MODE_MEMPOOL:
-#if CH_USE_REGISTRY
- REG_REMOVE(tp);
-#endif
- chPoolFree(tp->p_mpool, tp);
- break;
-#endif
- }
- }
-}
-
-#if CH_USE_HEAP || defined(__DOXYGEN__)
-/**
- * @brief Creates a new thread allocating the memory from the heap.
- * @pre The configuration options @p CH_USE_DYNAMIC and @p CH_USE_HEAP
- * must be enabled in order to use this function.
- * @note A thread can terminate by calling @p chThdExit() or by simply
- * returning from its main function.
- * @note The memory allocated for the thread is not released when the thread
- * terminates but when a @p chThdWait() is performed.
- *
- * @param[in] heapp heap from which allocate the memory or @p NULL for the
- * default heap
- * @param[in] size size of the working area to be allocated
- * @param[in] prio the priority level for the new thread
- * @param[in] pf the thread function
- * @param[in] arg an argument passed to the thread function. It can be
- * @p NULL.
- * @return The pointer to the @p Thread structure allocated for
- * the thread into the working space area.
- * @retval NULL if the memory cannot be allocated.
- *
- * @api
- */
-Thread *chThdCreateFromHeap(MemoryHeap *heapp, size_t size,
- tprio_t prio, tfunc_t pf, void *arg) {
- void *wsp;
- Thread *tp;
-
- wsp = chHeapAlloc(heapp, size);
- if (wsp == NULL)
- return NULL;
-
-#if CH_DBG_FILL_THREADS
- _thread_memfill((uint8_t *)wsp,
- (uint8_t *)wsp + sizeof(Thread),
- CH_THREAD_FILL_VALUE);
- _thread_memfill((uint8_t *)wsp + sizeof(Thread),
- (uint8_t *)wsp + size,
- CH_STACK_FILL_VALUE);
-#endif
-
- chSysLock();
- tp = chThdCreateI(wsp, size, prio, pf, arg);
- tp->p_flags = THD_MEM_MODE_HEAP;
- chSchWakeupS(tp, RDY_OK);
- chSysUnlock();
- return tp;
-}
-#endif /* CH_USE_HEAP */
-
-#if CH_USE_MEMPOOLS || defined(__DOXYGEN__)
-/**
- * @brief Creates a new thread allocating the memory from the specified
- * memory pool.
- * @pre The configuration options @p CH_USE_DYNAMIC and @p CH_USE_MEMPOOLS
- * must be enabled in order to use this function.
- * @note A thread can terminate by calling @p chThdExit() or by simply
- * returning from its main function.
- * @note The memory allocated for the thread is not released when the thread
- * terminates but when a @p chThdWait() is performed.
- *
- * @param[in] mp pointer to the memory pool object
- * @param[in] prio the priority level for the new thread
- * @param[in] pf the thread function
- * @param[in] arg an argument passed to the thread function. It can be
- * @p NULL.
- * @return The pointer to the @p Thread structure allocated for
- * the thread into the working space area.
- * @retval NULL if the memory pool is empty.
- *
- * @api
- */
-Thread *chThdCreateFromMemoryPool(MemoryPool *mp, tprio_t prio,
- tfunc_t pf, void *arg) {
- void *wsp;
- Thread *tp;
-
- chDbgCheck(mp != NULL, "chThdCreateFromMemoryPool");
-
- wsp = chPoolAlloc(mp);
- if (wsp == NULL)
- return NULL;
-
-#if CH_DBG_FILL_THREADS
- _thread_memfill((uint8_t *)wsp,
- (uint8_t *)wsp + sizeof(Thread),
- CH_THREAD_FILL_VALUE);
- _thread_memfill((uint8_t *)wsp + sizeof(Thread),
- (uint8_t *)wsp + mp->mp_object_size,
- CH_STACK_FILL_VALUE);
-#endif
-
- chSysLock();
- tp = chThdCreateI(wsp, mp->mp_object_size, prio, pf, arg);
- tp->p_flags = THD_MEM_MODE_MEMPOOL;
- tp->p_mpool = mp;
- chSchWakeupS(tp, RDY_OK);
- chSysUnlock();
- return tp;
-}
-#endif /* CH_USE_MEMPOOLS */
-
-#endif /* CH_USE_DYNAMIC */
-
-/** @} */
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