void
tdxs_wait_for_response()
	PPCODE:
		I32 result = EM_OK;
		I32 sessid = 0;
		I32 token = 0;
		char *cnta = NULL;
		DBCHWAT(&result, cnta, &sessid, &token);
		EXTEND(SP, 3);
		if (result != EM_OK) {
			PUSHs(&PL_sv_undef);
			PUSHs(sv_2mortal(newSViv(result)));
			PUSHs(&PL_sv_undef);
			XSRETURN(3);
		}
		PUSHs(sv_2mortal(newSViv(sessid)));
		PUSHs(sv_2mortal(newSViv(0)));
		PUSHs(&PL_sv_undef);
		XSRETURN(3);