if worker has set needs_to_exit, we can't rely on the fact that all signatures have been queued.
if worker has set needs_to_exit, we can't rely on the fact that all
signatures have been queued.



opendnssec/opendnssec-svn,opendnssec/opendnssec-svn,opendnssec/opendnssec-svn,opendnssec/opendnssec-svn