Function filt_procdetach

freebsd/kern/kern_event.c:481–487

* The knote may be attached to a different process, which may exit, * leaving nothing for the knote to be attached to. So when the process * exits, the knote is marked as DETACHED and also flagged as ONESHOT so * it will be deleted when read out. However, as part of the knote deletion, * this routine is called, so a check is needed to avoid actually performing * a detach, because the origin

 */
/* XXX - move to kern_proc.c?  */
static void
filt_procdetach(struct knote *kn)
{

	knlist_remove(kn->kn_knlist, kn, 0);
	kn->kn_ptr.p_proc = NULL;
}

/* XXX - move to kern_proc.c?  */
static int