- if (bind(tcpfd, (struct sockaddr *)&sin, sizeof(sin)) < 0){
- xlog(L_ERROR, "unable to bind TCP socket: "
- "errno %d (%m)", errno);
- exit(1);
+#ifdef IPV6_SUPPORTED
+ if (addr->ai_family == AF_INET6 &&
+ setsockopt(sockfd, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on))) {
+ xlog(L_ERROR, "unable to set IPV6_V6ONLY: "
+ "errno %d (%m)\n", errno);
+ rc = errno;
+ goto error;
+ }
+#endif /* IPV6_SUPPORTED */
+ if (addr->ai_protocol == IPPROTO_TCP &&
+ setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on))) {
+ xlog(L_ERROR, "unable to set SO_REUSEADDR on %s "
+ "socket: errno %d (%m)", family, errno);
+ rc = errno;
+ goto error;
+ }
+ if (bind(sockfd, addr->ai_addr, addr->ai_addrlen)) {
+ xlog(L_ERROR, "unable to bind %s %s socket: "
+ "errno %d (%m)", family, proto, errno);
+ rc = errno;
+ goto error;