EW_INTERVAL
if (ent_flag == P_PID && rec_flag == EW_INTERVAL) {
rec_flag = EW_INTERVAL;
case EW_INTERVAL:
ASSERT(flag == EW_FINAL || flag == EW_PARTIAL || flag == EW_INTERVAL);
case EW_INTERVAL:
case EW_INTERVAL:
if (flags == EW_INTERVAL)