From f09a4a92a90fa426140d700681012677ef1cfa09 Mon Sep 17 00:00:00 2001
From: Ben Darnell <ben@bendarnell.com>
Date: Sun, 29 May 2011 17:27:48 -0700
Subject: [PATCH] Add AI_ADDRCONFIG to getaddrinfo call, which may fix
 ipv6-related issues report on the mailing list

---
 tornado/httpserver.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tornado/httpserver.py b/tornado/httpserver.py
index 7e6e2fa70..05f43f465 100644
--- a/tornado/httpserver.py
+++ b/tornado/httpserver.py
@@ -182,7 +182,7 @@ class HTTPServer(object):
             address = None
         success = 0
         for res in socket.getaddrinfo(address, port, family, socket.SOCK_STREAM,
-                                      0, socket.AI_PASSIVE):
+                                      0, socket.AI_PASSIVE | socket.AI_ADDRCONFIG):
             af, socktype, proto, canonname, sockaddr = res
             sock = socket.socket(af, socktype, proto)
             flags = fcntl.fcntl(sock.fileno(), fcntl.F_GETFD)
-- 
2.47.3