nh_rpcb_state
host->nh_rpcb_state = NRPCB_NEED_UPDATE;
hostp->nh_rpcb_state = NRPCB_UPDATE_INPROGRESS;
hostp->nh_rpcb_state = ((stat == RPC_SUCCESS) ?
while (hostp->nh_rpcb_state != NRPCB_UPDATED) {
if (hostp->nh_rpcb_state == NRPCB_UPDATE_INPROGRESS) {
} else if (hostp->nh_rpcb_state != NRPCB_UPDATED) {
if (hostp->nh_rpcb_state == NRPCB_NEED_UPDATE)
hostp->nh_rpcb_state = NRPCB_NEED_UPDATE;
hostp->nh_rpcb_state = NRPCB_NEED_UPDATE;