+ int timeout = tag->getInt("defer", 0);
+ if (timeout && !rv)
+ {
+#if defined TCP_DEFER_ACCEPT
+ setsockopt(fd, IPPROTO_TCP, TCP_DEFER_ACCEPT, &timeout, sizeof(timeout));
+#elif defined SO_ACCEPTFILTER
+ struct accept_filter_arg afa;
+ memset(&afa, 0, sizeof(afa));
+ strcpy(afa.af_name, "dataready");
+ setsockopt(fd, SOL_SOCKET, SO_ACCEPTFILTER, &afa, sizeof(afa));
+#endif
+ }
+