+
+ for (;;) {
+ for (;;) {
+ qu= ov_asynch ? 0 : outstanding.head ? outstanding.head->qu : 0;
+ r= adns_check(ads,&qu,&answer,&qun_v);
+ if (r == EAGAIN) break;
+ if (r == ESRCH) { if (!ov_pipe) goto x_quit; else break; }
+ assert(!r);
+ query_done(qun_v,answer);
+ }
+ maxfd= 0;
+ FD_ZERO(&readfds);
+ FD_ZERO(&writefds);
+ FD_ZERO(&exceptfds);
+ if (ov_pipe) {
+ maxfd= 1;
+ FD_SET(0,&readfds);
+ }
+ tv= 0;
+ adns_beforeselect(ads, &maxfd, &readfds,&writefds,&exceptfds, &tv,&tvbuf,0);
+ r= select(maxfd, &readfds,&writefds,&exceptfds, tv);
+ if (r == -1) {
+ if (errno == EINTR) continue;
+ sysfail("select",errno);
+ }
+ adns_afterselect(ads, maxfd, &readfds,&writefds,&exceptfds, 0);
+ if (ov_pipe && FD_ISSET(0,&readfds)) read_query();
+ }
+x_quit:
+ if (fclose(stdout)) outerr();
+ exit(rcode);