From 601144478910704bed926141735634087fcbb259 Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Wed, 30 Mar 2016 01:45:00 +0800
Subject: [PATCH] gui: log error and bail out on artiq_gui.pyon write failure
 (#360)

---
 artiq/gui/state.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/artiq/gui/state.py b/artiq/gui/state.py
index 8cead13f5..1e9be5532 100644
--- a/artiq/gui/state.py
+++ b/artiq/gui/state.py
@@ -74,5 +74,10 @@ class StateManager(TaskObject):
             while True:
                 await asyncio.sleep(self.autosave_period)
                 self.save()
+        except asyncio.CancelledError:
+            pass
+        except:
+            logger.error("Uncaught exception attempting to save state",
+                         exc_info=True)
         finally:
             self.save()