Function logkqread

freebsd/kern/subr_log.c:214–221

}

static int
logkqread(struct knote *kn, long hint)
{

	mtx_assert(&msgbuf_lock, MA_OWNED);
	kn->kn_data = msgbuf_getcount(msgbufp);
	return (kn->kn_data != 0);
}

static void
logkqdetach(struct knote *kn)