Lines Matching defs:kn
707 tty_kqops_read_detach(struct knote *kn)
709 struct tty *tp = kn->kn_hook;
711 knlist_remove(&tp->t_inpoll.si_note, kn, 0);
715 tty_kqops_read_event(struct knote *kn, long hint __unused)
717 struct tty *tp = kn->kn_hook;
722 kn->kn_flags |= EV_EOF;
725 kn->kn_data = ttydisc_read_poll(tp);
726 return (kn->kn_data > 0);
731 tty_kqops_write_detach(struct knote *kn)
733 struct tty *tp = kn->kn_hook;
735 knlist_remove(&tp->t_outpoll.si_note, kn, 0);
739 tty_kqops_write_event(struct knote *kn, long hint __unused)
741 struct tty *tp = kn->kn_hook;
746 kn->kn_flags |= EV_EOF;
749 kn->kn_data = ttydisc_write_poll(tp);
750 return (kn->kn_data > 0);
767 ttydev_kqfilter(struct cdev *dev, struct knote *kn)
776 switch (kn->kn_filter) {
778 kn->kn_hook = tp;
779 kn->kn_fop = &tty_kqops_read;
780 knlist_add(&tp->t_inpoll.si_note, kn, 1);
783 kn->kn_hook = tp;
784 kn->kn_fop = &tty_kqops_write;
785 knlist_add(&tp->t_outpoll.si_note, kn, 1);