diff options
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/kern_event.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/kern/kern_event.c b/sys/kern/kern_event.c index b734cf2..e832120 100644 --- a/sys/kern/kern_event.c +++ b/sys/kern/kern_event.c @@ -2006,6 +2006,7 @@ knote(struct knlist *list, long hint, int lockflags) struct kqueue *kq; struct knote *kn, *tkn; int error; + bool own_influx; if (list == NULL) return; @@ -2036,11 +2037,14 @@ knote(struct knlist *list, long hint, int lockflags) */ KQ_UNLOCK(kq); } else if ((lockflags & KNF_NOKQLOCK) != 0) { - kn->kn_status |= KN_INFLUX; + own_influx = (kn->kn_status & KN_INFLUX) == 0; + if (own_influx) + kn->kn_status |= KN_INFLUX; KQ_UNLOCK(kq); error = kn->kn_fop->f_event(kn, hint); KQ_LOCK(kq); - kn->kn_status &= ~KN_INFLUX; + if (own_influx) + kn->kn_status &= ~KN_INFLUX; if (error) KNOTE_ACTIVATE(kn, 1); KQ_UNLOCK_FLUX(kq); |
