+
+ for (;;) {
+ r= adns__internal_check(ads,query_io,answer_r,context_r);
+ if (r != EAGAIN) goto xit;
+ nfds= MAX_POLLFDS; to= -1;
+ adns_beforepoll(ads,fds,&nfds,&to,0);
+ r= poll(fds,nfds,to);
+ if (r == -1) {
+ if (errno == EINTR) {
+ if (ads->iflags & adns_if_eintr) { r= EINTR; goto xit; }
+ } else {
+ adns__diag(ads,-1,0,"poll failed in wait: %s",strerror(errno));
+ adns_globalsystemfailure(ads);
+ }
+ } else {
+ assert(r >= 0);
+ adns_afterpoll(ads,fds,nfds,0);
+ }
+ }
+
+ xit:
+ adns__returning(ads,0);
+ return r;