271     if ((rval = read(test->ctrl_sck, (char*) &test->state, sizeof(signed char))) <= 0) {  in iperf_handle_message_client()
340             if (Nread(test->ctrl_sck, (char*) &err, sizeof(err), Ptcp) < 0) {  in iperf_handle_message_client()
345             if (Nread(test->ctrl_sck, (char*) &err, sizeof(err), Ptcp) < 0) {  in iperf_handle_message_client()
379     if (test->ctrl_sck < 0)  in iperf_connect()
381 …test->ctrl_sck = netdial(test->settings->domain, Ptcp, test->bind_address, test->bind_dev, 0, test…  in iperf_connect()
382     if (test->ctrl_sck < 0) {  in iperf_connect()
389     if (setsockopt(test->ctrl_sck, IPPROTO_TCP, TCP_NODELAY, (char *) &flag, sizeof(int))) {  in iperf_connect()
396         if (setsockopt(test->ctrl_sck, IPPROTO_TCP, TCP_USER_TIMEOUT, &opt, sizeof(opt)) < 0) {  in iperf_connect()
403     if (Nwrite(test->ctrl_sck, test->cookie, COOKIE_SIZE, Ptcp) < 0) {  in iperf_connect()
408     FD_SET(test->ctrl_sck, &test->read_set);  in iperf_connect()
409     if (test->ctrl_sck > test->max_fd) test->max_fd = test->ctrl_sck;  in iperf_connect()
412     if (getsockopt(test->ctrl_sck, IPPROTO_TCP, TCP_MAXSEG, &opt, &len) < 0) {  in iperf_connect()
503     if (test->ctrl_sck >= 0)  in iperf_client_end()
504         close(test->ctrl_sck);  in iperf_client_end()
609 	    if (FD_ISSET(test->ctrl_sck, &read_set)) {  in iperf_run_client()
613 		FD_CLR(test->ctrl_sck, &read_set);  in iperf_run_client()