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| author | kib <kib@FreeBSD.org> | 2008-07-07 09:15:29 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2008-07-07 09:15:29 +0000 |
| commit | ea1979e3d2b54ba0ce259e583ff88846d8108407 (patch) | |
| tree | f719e75198c8ad5db176ec121dd72dbde68c8db7 /sys/kern/kern_event.c | |
| parent | 5a1c985723817db33991c18bb36c353b38218f93 (diff) | |
| download | FreeBSD-src-ea1979e3d2b54ba0ce259e583ff88846d8108407.zip FreeBSD-src-ea1979e3d2b54ba0ce259e583ff88846d8108407.tar.gz | |
The r178914 I erronously put the setting of the KQ_FLUXWAIT flag before
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
Diffstat (limited to 'sys/kern/kern_event.c')
| -rw-r--r-- | sys/kern/kern_event.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/sys/kern/kern_event.c b/sys/kern/kern_event.c index b031fa0..36331be 100644 --- a/sys/kern/kern_event.c +++ b/sys/kern/kern_event.c @@ -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; |
