+static void configure_tcp(connection_t *c)
+{
+ int option;
+
+#ifdef O_NONBLOCK
+ if(!blockingtcp) {
+ int flags = fcntl(c->socket, F_GETFL);
+
+ if(fcntl(c->socket, F_SETFL, flags | O_NONBLOCK) < 0) {
+ logger(LOG_ERR, _("fcntl for %s: %s"), c->hostname, strerror(errno));
+ }
+ }
+#endif
+
+#if defined(SOL_TCP) && defined(TCP_NODELAY)
+ option = 1;
+ setsockopt(c->socket, SOL_TCP, TCP_NODELAY, &option, sizeof(option));
+#endif
+
+#if defined(SOL_IP) && defined(IP_TOS) && defined(IPTOS_LOWDELAY)
+ option = IPTOS_LOWDELAY;
+ setsockopt(c->socket, SOL_IP, IP_TOS, &option, sizeof(option));
+#endif
+}
+