seba
/
k4ever
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

now now exit if display daemin dies

This commit is contained in:
Florian Streibelt 2011-10-15 02:21:32 +02:00
parent 5124cf1d23
commit 15493ee6aa
1 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
client-barcode/freitagskasse.py
View File

@ -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():