diff options
Diffstat (limited to 'os/kernel/src/chlists.c')
-rw-r--r-- | os/kernel/src/chlists.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/os/kernel/src/chlists.c b/os/kernel/src/chlists.c deleted file mode 100644 index 0f492db5f..000000000 --- a/os/kernel/src/chlists.c +++ /dev/null @@ -1,180 +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 chlists.c
- * @brief Thread queues/lists code.
- *
- * @addtogroup internals
- * @details All the functions present in this module, while public, are not
- * OS APIs and should not be directly used in the user applications
- * code.
- * @{
- */
-#include "ch.h"
-
-/*===========================================================================*/
-/* Module local definitions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Module exported variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Module local types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Module local variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Module local functions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Module exported functions. */
-/*===========================================================================*/
-
-#if !CH_CFG_OPTIMIZE_SPEED || defined(__DOXYGEN__)
-/**
- * @brief Inserts a thread into a priority ordered queue.
- * @note The insertion is done by scanning the list from the highest
- * priority toward the lowest.
- *
- * @param[in] tp the pointer to the thread to be inserted in the list
- * @param[in] tqp the pointer to the threads list header
- *
- * @notapi
- */
-void queue_prio_insert(thread_t *tp, threads_queue_t *tqp) {
-
- /* cp iterates over the queue.*/
- thread_t *cp = (thread_t *)tqp;
- do {
- /* Iterate to next thread in queue.*/
- cp = cp->p_next;
- /* Not end of queue? and cp has equal or higher priority than tp?.*/
- } while ((cp != (thread_t *)tqp) && (cp->p_prio >= tp->p_prio));
- /* Insertion on p_prev.*/
- tp->p_next = cp;
- tp->p_prev = cp->p_prev;
- tp->p_prev->p_next = cp->p_prev = tp;
-}
-
-/**
- * @brief Inserts a thread into a queue.
- *
- * @param[in] tp the pointer to the thread to be inserted in the list
- * @param[in] tqp the pointer to the threads list header
- *
- * @notapi
- */
-void queue_insert(thread_t *tp, threads_queue_t *tqp) {
-
- tp->p_next = (thread_t *)tqp;
- tp->p_prev = tqp->p_prev;
- tp->p_prev->p_next = tqp->p_prev = tp;
-}
-
-/**
- * @brief Removes the first-out thread from a queue and returns it.
- * @note If the queue is priority ordered then this function returns the
- * thread with the highest priority.
- *
- * @param[in] tqp the pointer to the threads list header
- * @return The removed thread pointer.
- *
- * @notapi
- */
-thread_t *queue_fifo_remove(threads_queue_t *tqp) {
- thread_t *tp = tqp->p_next;
-
- (tqp->p_next = tp->p_next)->p_prev = (thread_t *)tqp;
- return tp;
-}
-
-/**
- * @brief Removes the last-out thread from a queue and returns it.
- * @note If the queue is priority ordered then this function returns the
- * thread with the lowest priority.
- *
- * @param[in] tqp the pointer to the threads list header
- * @return The removed thread pointer.
- *
- * @notapi
- */
-thread_t *queue_lifo_remove(threads_queue_t *tqp) {
- thread_t *tp = tqp->p_prev;
-
- (tqp->p_prev = tp->p_prev)->p_next = (thread_t *)tqp;
- return tp;
-}
-
-/**
- * @brief Removes a thread from a queue and returns it.
- * @details The thread is removed from the queue regardless of its relative
- * position and regardless the used insertion method.
- *
- * @param[in] tp the pointer to the thread to be removed from the queue
- * @return The removed thread pointer.
- *
- * @notapi
- */
-thread_t *queue_dequeue(thread_t *tp) {
-
- tp->p_prev->p_next = tp->p_next;
- tp->p_next->p_prev = tp->p_prev;
- return tp;
-}
-
-/**
- * @brief Pushes a thread_t on top of a stack list.
- *
- * @param[in] tp the pointer to the thread to be inserted in the list
- * @param[in] tlp the pointer to the threads list header
- *
- * @notapi
- */
-void list_insert(thread_t *tp, threads_list_t *tlp) {
-
- tp->p_next = tlp->p_next;
- tlp->p_next = tp;
-}
-
-/**
- * @brief Pops a thread from the top of a stack list and returns it.
- * @pre The list must be non-empty before calling this function.
- *
- * @param[in] tlp the pointer to the threads list header
- * @return The removed thread pointer.
- *
- * @notapi
- */
-thread_t *list_remove(threads_list_t *tlp) {
-
- thread_t *tp = tlp->p_next;
- tlp->p_next = tp->p_next;
- return tp;
-}
-#endif /* CH_CFG_OPTIMIZE_SPEED */
-
-/** @} */
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