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Create a common function lookup() to search a chan, this eliminates

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redundant SC_LOOKUP() calling.
This commit is contained in:
David Xu 2012-05-10 09:30:37 +00:00
parent a4392ad6af
commit fa782a2611
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=235218
1 changed files with 9 additions and 5 deletions
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14
lib/libthr/thread/thr_sleepq.c
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@ -94,19 +94,23 @@ _sleepq_unlock(void *wchan)
THR_LOCK_RELEASE(curthread, &sc->sc_lock);
}
struct sleepqueue *
_sleepq_lookup(void *wchan)
static inline struct sleepqueue *
lookup(struct sleepqueue_chain *sc, void *wchan)
{
struct sleepqueue_chain *sc;
struct sleepqueue *sq;
sc = SC_LOOKUP(wchan);
LIST_FOREACH(sq, &sc->sc_queues, sq_hash)
if (sq->sq_wchan == wchan)
return (sq);
return (NULL);
}
struct sleepqueue *
_sleepq_lookup(void *wchan)
{
return (lookup(SC_LOOKUP(wchan), wchan));
}
void
_sleepq_add(void *wchan, struct pthread *td)
{
@ -114,7 +118,7 @@ _sleepq_add(void *wchan, struct pthread *td)
struct sleepqueue *sq;
sc = SC_LOOKUP(wchan);
sq = _sleepq_lookup(wchan);
sq = lookup(sc, wchan);
if (sq != NULL) {
SLIST_INSERT_HEAD(&sq->sq_freeq, td->sleepqueue, sq_flink);
} else {