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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-03-13 19:30:52 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-03-13 19:30:52 +0000 |
| commit | a5f92e68309aa5270602cb6e911c43c9bc370408 (patch) | |
| tree | 4e8f618caa20c92446779668b491d337ea64ee5f /src/chlists.c | |
| parent | cac6514204ed81c2dee8da04a313590ed8445159 (diff) | |
| download | ChibiOS-a5f92e68309aa5270602cb6e911c43c9bc370408.tar.gz ChibiOS-a5f92e68309aa5270602cb6e911c43c9bc370408.tar.bz2 ChibiOS-a5f92e68309aa5270602cb6e911c43c9bc370408.zip | |
Improvements to the priority lists.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@838 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'src/chlists.c')
| -rw-r--r-- | src/chlists.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/chlists.c b/src/chlists.c index a3ec568a0..82be1923d 100644 --- a/src/chlists.c +++ b/src/chlists.c @@ -38,11 +38,12 @@ void prio_insert(Thread *tp, ThreadsQueue *tqp) {
/* cp iterates over the queue */
- Thread *cp = tqp->p_next;
- /* not end of queue? and cp has equal or higher priority than tp? */
- while ((cp != (Thread *)tqp) && (cp->p_prio >= tp->p_prio))
+ Thread *cp = (Thread *)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 *)tqp) && (cp->p_prio >= tp->p_prio));
/* insert before cp, point tp to next and prev in queue */
tp->p_prev = (tp->p_next = cp)->p_prev;
/* make prev point to tp, and cp point back to tp */
|