From 15493ee6aa14a9b8b7199819d010e297909e7081 Mon Sep 17 00:00:00 2001
From: Florian Streibelt <florian@freitagsrunde.org>
Date: Sat, 15 Oct 2011 02:21:32 +0200
Subject: [PATCH] now now exit if display daemin dies

---
 client-barcode/freitagskasse.py | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/client-barcode/freitagskasse.py b/client-barcode/freitagskasse.py
index 2b0fe8f..bb38451 100644
--- a/client-barcode/freitagskasse.py
+++ b/client-barcode/freitagskasse.py
@@ -37,7 +37,6 @@ def print_display(s):
 	global display_fifo
 	if not display_fifo:
 		try:
-			#display_fifo = open('/tmp/display', 'w')
 			fd = os.open( "/tmp/display", os.O_WRONLY)
 			display_fifo = os.fdopen(fd,"w")
 		except OSError:
@@ -48,8 +47,13 @@ def print_display(s):
 			display_fifo = None
 			pass
 			return
-	display_fifo.write(s)
-	display_fifo.flush()
+	try:
+		display_fifo.write(s)
+		display_fifo.flush()
+	except IOError:
+		display_fifo = None
+		pass
+		return
 
 
 def clear():