PARKFLAG_WAITERGONE
if (park->park_flags & PARKFLAG_WAITERGONE) {
if (park->park_flags & PARKFLAG_WAITERGONE) {
KASSERT((park->park_flags & PARKFLAG_WAITERGONE) == 0);
park->park_flags |= PARKFLAG_WAITERGONE;
if (park->park_flags & PARKFLAG_WAITERGONE) {
wgone = park->park_flags & PARKFLAG_WAITERGONE;