1 files changed, 11 insertions, 0 deletions
diff --git a/evutil.c b/evutil.c
index d46c997b..bbf908c0 100644
--- a/evutil.c
+++ b/evutil.c
@@ -604,6 +604,17 @@ evutil_make_listen_socket_ipv6only(evutil_socket_t sock)
 }
 
 int
+evutil_make_listen_socket_not_ipv6only(evutil_socket_t sock)
+{
+#if defined(IPV6_V6ONLY)
+	int zero = 0;
+	return setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void *)&zero,
+		(ev_socklen_t)sizeof(zero));
+#endif
+	return 0;
+}
+
+int
 evutil_make_tcp_listen_socket_deferred(evutil_socket_t sock)
 {
 #if defined(EVENT__HAVE_NETINET_TCP_H) && defined(TCP_DEFER_ACCEPT)