TDF_SIGWAIT
td->td_flags |= TDF_SIGWAIT;
td->td_flags &= ~TDF_SIGWAIT;
if (intrval == 0 && (td->td_flags & TDF_SIGWAIT) == 0)
(td->td_flags & TDF_SIGWAIT) == 0) {
(td->td_flags & TDF_SIGWAIT) == 0) {
if ((td->td_flags & TDF_SIGWAIT) == 0)
MPASS((intrval == 0 && (td->td_flags & TDF_SIGWAIT) != 0) ||