Symbol: ISC_SOCKEVENT_INTR
usr.bin/dig/lib/isc/unix/socket.c
1188
ISC_EVENTATTR_NOPURGE, NULL, ISC_SOCKEVENT_INTR,
usr.bin/dig/lib/isc/unix/socket.c
1575
INSIST(ev->ev_type == ISC_SOCKEVENT_INTR);