KN_DISABLED
kn->kn_status |= KN_DISABLED;
kn->kn_status &= ~KN_DISABLED;
kn->kn_status |= KN_DISABLED;
if ((kn->kn_status & KN_DISABLED) == 0)
if ((kn->kn_status & (KN_ACTIVE | KN_DISABLED | KN_QUEUED)) ==
if ((kn->kn_status & KN_DISABLED) == KN_DISABLED) {
kn->kn_status |= KN_DISABLED;
if (((kn)->kn_status & (KN_QUEUED | KN_DISABLED)) == 0) \