Handle SIGINT, SIGTERM and SIGQUIT for issue605

tryton/client.py

@@ -28,6 +28,7 @@ import gui
 import traceback
 import mx.DateTime
 import time
+import signal
 
 
 class TrytonClient(object):
@@ -77,6 +78,10 @@ class TrytonClient(object):
     def run(self):
         main = gui.Main()
 
+        signal.signal(signal.SIGINT, lambda signum, frame: sys.exit(0))
+        signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit(0))
+        signal.signal(signal.SIGQUIT, lambda signum, frame: sys.exit(0))
+
         def excepthook(exctyp, value, tb):
             import common