diff --git a/script/test/test_abort.py b/script/test/test_abort.py
index 9bf12fa..eb7de31 100644
--- a/script/test/test_abort.py
+++ b/script/test/test_abort.py
@@ -26,7 +26,9 @@ import signal
 #    #signal.raise_signal(signal.SIGIOT)
     
 
-
+def on_close(parent_thread): 
+    print ("close")  
+    on_abort(parent_thread) 
 
 #def handler(signum, frame):
 #    print('Signal handler called with signal', signum)