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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2007-10-01 17:42:47 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2007-10-01 17:42:47 +0000 |
| commit | 3a90ab685aaae59f242ae31260e67e9125ae78cd (patch) | |
| tree | 1413d1fa5a06ee7e720a1de121c537bb1ecb1c45 /src/chlists.c | |
| parent | 9a0ef300bce50901d5de3d6d722e29b79a2f9a36 (diff) | |
| download | ChibiOS-3a90ab685aaae59f242ae31260e67e9125ae78cd.tar.gz ChibiOS-3a90ab685aaae59f242ae31260e67e9125ae78cd.tar.bz2 ChibiOS-3a90ab685aaae59f242ae31260e67e9125ae78cd.zip | |
Preparation for AVR core support.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@27 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'src/chlists.c')
| -rw-r--r-- | src/chlists.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/chlists.c b/src/chlists.c new file mode 100644 index 000000000..d01c8c37c --- /dev/null +++ b/src/chlists.c @@ -0,0 +1,89 @@ +/*
+ 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/>.
+*/
+
+/**
+ * @addtogroup Messages
+ * @{
+ */
+#include <ch.h>
+
+#ifndef CH_OPTIMIZE_SPEED
+/*
+ * Inserts a thread into a FIFO queue.
+ * @param tp the pointer to the thread to be inserted in the list
+ * @param tqp the pointer to the threads list header
+ */
+void fifo_insert(Thread *tp, ThreadsQueue *tqp) {
+
+ tp->p_next = (Thread *)tqp;
+ tp->p_prev = tqp->p_prev;
+ tqp->p_prev->p_next = tp;
+ tqp->p_prev = tp;
+}
+
+/*
+ * Removes a thread from a FIFO queue.
+ * @param tqp the pointer to the threads list header
+ */
+Thread *fifo_remove(ThreadsQueue *tqp) {
+ Thread *tp = tqp->p_next;
+
+ (tqp->p_next = tp->p_next)->p_prev = (Thread *)tqp;
+ return tp;
+}
+
+/*
+ * Removes a Thread from a FIFO list and returns it.
+ * @param tp the pointer to the thread to be removed from the list
+ * @param tqp the pointer to the list header
+ * @return the removed thread pointer
+ */
+Thread *dequeue(Thread *tp) {
+
+ tp->p_prev->p_next = tp->p_next;
+ tp->p_next->p_prev = tp->p_prev;
+ return tp;
+}
+
+/*
+ * Inserts a Thread into a stack list.
+ * @param tp the pointer to the thread to be inserted in the list
+ * @param tlp the pointer to the threads list header
+ */
+void list_insert(Thread *tp, ThreadsList *tlp) {
+
+ tp->p_next = tlp->p_next;
+ tlp->p_next = tp;
+}
+
+
+/*
+ * Removes a Thread from a stack list and returns it.
+ * @param tlp the pointer to the threads list header
+ * @return the removed thread pointer
+ */
+Thread *list_remove(ThreadsList *tlp) {
+
+ Thread *tp = tlp->p_next;
+ tlp->p_next = tp->p_next;
+ return tp;
+}
+#endif /* CH_OPTIMIZE_SPEED */
+
+/** @} */
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