From c329c2e12d4d419fce4386d5e8da5c188d84204b Mon Sep 17 00:00:00 2001
From: Arjen Hiemstra <a.hiemstra@ultimaker.com>
Date: Tue, 19 Apr 2016 16:52:22 +0200
Subject: [PATCH] Do not try to recreate the socket when we are shutting down
 anyway

This prevents issues where closing the socket triggers socket creation
and then a deadlock occurs.

Contributes to CURA-1391
---
 plugins/CuraEngineBackend/CuraEngineBackend.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugins/CuraEngineBackend/CuraEngineBackend.py b/plugins/CuraEngineBackend/CuraEngineBackend.py
index 59a802045a..7a5d332d9e 100644
--- a/plugins/CuraEngineBackend/CuraEngineBackend.py
+++ b/plugins/CuraEngineBackend/CuraEngineBackend.py
@@ -200,8 +200,10 @@ class CuraEngineBackend(Backend):
         self._onChanged()
 
     def _onSocketError(self, error):
-        super()._onSocketError(error)
+        if Application.getInstance().isShuttingDown():
+            return
 
+        super()._onSocketError(error)
         self._terminate()
 
         if error.getErrorCode() not in [Arcus.ErrorCode.BindFailedError, Arcus.ErrorCode.ConnectionResetError, Arcus.ErrorCode.Debug]: