DSS_ERROR(BAD_EXIT_CODE, "unexpected exit code"), \
DSS_ERROR(SIGNAL_SIG_ERR, "signal() returned SIG_ERR"), \
DSS_ERROR(SIGNAL, "caught terminating signal"), \
DSS_ERROR(BAD_EXIT_CODE, "unexpected exit code"), \
DSS_ERROR(SIGNAL_SIG_ERR, "signal() returned SIG_ERR"), \
DSS_ERROR(SIGNAL, "caught terminating signal"), \