From: schlamar <marc.schlaich@gmail.com>
Date: Tue, 11 Jun 2013 12:38:32 +0000 (+0200)
Subject: Fix bind_sockets if OS does not support IPv6
X-Git-Tag: v3.1.0~7^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F823%2Fhead;p=thirdparty%2Ftornado.git

Fix bind_sockets if OS does not support IPv6
---

diff --git a/tornado/netutil.py b/tornado/netutil.py
index bbd11485a..370371804 100644
--- a/tornado/netutil.py
+++ b/tornado/netutil.py
@@ -66,7 +66,12 @@ def bind_sockets(port, address=None, family=socket.AF_UNSPEC, backlog=128, flags
     for res in set(socket.getaddrinfo(address, port, family, socket.SOCK_STREAM,
                                       0, flags)):
         af, socktype, proto, canonname, sockaddr = res
-        sock = socket.socket(af, socktype, proto)
+        try:
+            sock = socket.socket(af, socktype, proto)
+        except socket.error as e:
+            if e.args[0] == errno.EAFNOSUPPORT:
+                continue
+            raise
         set_close_exec(sock.fileno())
         if os.name != 'nt':
             sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)