471         fd_set rset, wset, eset;  in main()  local
473         FD_ZERO(&rset);  in main()
480         if ((t.tv_sec = set_dns_listeners(now, &rset, &maxfd)) != 0) {  in main()
485         set_android_listeners(&rset, &maxfd);  in main()
490             FD_SET(daemon->dhcpfd, &rset);  in main()
496         FD_SET(daemon->netlinkfd, &rset);  in main()
500         FD_SET(piperead, &rset);  in main()
523         if (select(maxfd + 1, &rset, &wset, &eset, tp) < 0) {  in main()
525             FD_ZERO(&rset);  in main()
543         if (FD_ISSET(piperead, &rset)) async_event(piperead, now);  in main()
546         if (FD_ISSET(daemon->netlinkfd, &rset)) netlink_multicast();  in main()
550         check_android_listeners(&rset);  in main()
553         check_dns_listeners(&rset, now);  in main()
556         if (daemon->dhcp && FD_ISSET(daemon->dhcpfd, &rset)) dhcp_packet(now);  in main()
1058         fd_set rset, wset;  in icmp_ping()  local
1066         FD_ZERO(&rset);  in icmp_ping()
1068         FD_SET(fd, &rset);  in icmp_ping()
1069         set_dns_listeners(now, &rset, &maxfd);  in icmp_ping()
1072         if (select(maxfd + 1, &rset, &wset, NULL, &tv) < 0) {  in icmp_ping()
1073             FD_ZERO(&rset);  in icmp_ping()
1080         check_dns_listeners(&rset, now);  in icmp_ping()
1082         if (FD_ISSET(fd, &rset) &&  in icmp_ping()