rt_locks
if (!ISSET(rt->rt_locks, RTV_MTU)) {
rt->rt_locks &= ~(rtm->rtm_inits);
rt->rt_locks |= (rtm->rtm_inits & rtm->rtm_rmx.rmx_locks);
!ISSET(rt->rt_locks, RTV_MTU))
if ((rt->rt_locks & RTV_MTU) == 0) {
rt->rt_locks |= RTV_MTU;
if ((rt->rt_locks & RTV_MTU) == 0)
(ro->ro_rt->rt_locks & RTV_MTU) == 0)
!(ro->ro_rt->rt_locks & RTV_MTU)) {
unsigned int orig_mtulock = (rt->rt_locks & RTV_MTU);
if (orig_mtulock < (rt->rt_locks & RTV_MTU))
(rt->rt_locks & RTV_MTU))
if ((rt->rt_locks & RTV_MTU) == 0) {
rt->rt_locks |= RTV_MTU;
if (!(rt->rt_locks & RTV_MTU))
!(rt->rt_locks & RTV_MTU)) {
if (!(rt->rt_locks & RTV_MTU))