From e817c137381e5cb5cbaff2aae70e52c42ca9f14c Mon Sep 17 00:00:00 2001
From: grossmj <grossmj@gns3.net>
Date: Thu, 29 May 2014 03:10:45 -0600
Subject: [PATCH] Catch BlockingIOError in ioucon.

---
 gns3server/modules/iou/ioucon.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gns3server/modules/iou/ioucon.py b/gns3server/modules/iou/ioucon.py
index c3d04636..f00a60fb 100644
--- a/gns3server/modules/iou/ioucon.py
+++ b/gns3server/modules/iou/ioucon.py
@@ -379,7 +379,10 @@ class IOU(Router):
         return buf
 
     def write(self, buf):
-        self.fd.send(buf)
+        try:
+            self.fd.send(buf)
+        except BlockingIOError:
+            return
 
     def _open(self):
         self.fd = socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM)