From ebb1bb16d1822b938d482276e0882980f502eda9 Mon Sep 17 00:00:00 2001
From: László Németh <nemeth@numbertext.org>
Date: Mon, 28 Jan 2013 14:30:59 +0100
Subject: fdo#59969 crash fix (insecure clear screen during Logo execution)

Change-Id: Id0af5555685c67c02fecd8b10a40d4fb8135a2df
---
 librelogo/source/LibreLogo/LibreLogo.py | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'librelogo/source')

diff --git a/librelogo/source/LibreLogo/LibreLogo.py b/librelogo/source/LibreLogo/LibreLogo.py
index 13d7a2a15620..3dc6140d8564 100644
--- a/librelogo/source/LibreLogo/LibreLogo.py
+++ b/librelogo/source/LibreLogo/LibreLogo.py
@@ -633,6 +633,8 @@ def home(arg=None):
     __removeshape__(__ACTUAL__)
 
 def clearscreen(arg=None):
+    if __thread__:
+        return None
     __getdocument__()
     turtle = __getshape__(__TURTLE__)
     if not turtle:
-- 
cgit