Function tty_kqops_read_detach

freebsd/kern/tty.c:706–712

 */

static void
tty_kqops_read_detach(struct knote *kn)
{
	struct tty *tp = kn->kn_hook;

	knlist_remove(&tp->t_inpoll.si_note, kn, 0);
}

static int
tty_kqops_read_event(struct knote *kn, long hint __unused)