TDF_SINTR
else if (KI_LWP(k, tdflags) & TDF_SINTR)
} else if (dtd->td_flags & TDF_SINTR) {
(td->td_flags & TDF_SINTR)) {
} else if (td->td_flags & TDF_SINTR) {
td->td_flags |= TDF_BLOCKED | TDF_SINTR;
td->td_flags &= ~(TDF_BLOCKED | TDF_SINTR);