implemented signal handling

stdd

@@ -8,6 +8,7 @@
 import datetime
 import time
 import sys
+import signal
 from optparse import OptionParser
 
 import stddlib.daemon
@@ -35,12 +36,35 @@ parser.add_option("-c", "--config", dest="config", help="define an\
 	alternative path to the configuration file")
 (options, arguments) = parser.parse_args()
 
+""" define a sighandler to properly catch signals """
+
+
 run = True
 
 """ create the configuration object according to the given parameters and
 read the file itself
 
 """
+
+def sighandler(signum, frame):
+	if signum == 2:
+		pass
+	elif signum == 15:
+		pass
+	display.writeDigit(0, 0)
+	display.writeDigit(1, 0)
+	display.writeDigit(3, 0)
+	display.writeDigit(4, 0)
+	if options.daemon is True:
+		if daemon.Stop() is True:
+			sys.exit(0)
+		else:
+			#TODO: Log error message
+			sys,exit(1)
+	
+signal.signal(signal.SIGTERM, sighandler)
+signal.signal(signal.SIGINT, sighandler)
+
 config = stddlib.configuration.Conf()
 if options.config is not None:
 	config.Read(options.config)
@@ -49,7 +73,10 @@ else:
 config.Analyze()
 
 if options.daemon is True:
-	daemon = stddlib.daemon.Daemon("/var/run", "stdd")
+	if os.access("/run", os.F_OK & os.W_OK) is True:
+		daemon = stddlib.daemon.Daemon("/run", "stdd")
+	else:
+		daemon = stddlib.daemon.Daemon("/var/run", "stdd")
 	daemon.Daemonize()
 	daemon.Start()
 	cmdline = ""