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The r178914 I erronously put the setting of the KQ_FLUXWAIT flag before

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KQ_FLUX_WAKEUP(). Since the later macro clears the KQ_FLUXWAIT, the
kqueue_scan() thread may be not woken up.

Move the setting of KQ_FLUXWAIT after wakeup to correct the issue.

Reported and tested by:	pho
MFC after:	3 days
This commit is contained in:
kib 2008-07-07 09:15:29 +00:00
parent 5a1c985723
commit ea1979e3d2
1 changed files with 1 additions and 2 deletions
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3
sys/kern/kern_event.c
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@ -1211,12 +1211,11 @@ start:
if ((kn->kn_status == KN_MARKER && kn != marker) ||
(kn->kn_status & KN_INFLUX) == KN_INFLUX) {
kq->kq_state |= KQ_FLUXWAIT;
if (influx) {
influx = 0;
KQ_FLUX_WAKEUP(kq);
}
kq->kq_state |= KQ_FLUXWAIT;
error = msleep(kq, &kq->kq_lock, PSOCK,
"kqflxwt", 0);
continue;