sigint handler added

opcua2mqtt/bridge.py

@@ -5,6 +5,8 @@ import argparse
 import json
 import threading
 import queue
+import signal
+
 
 deathBell = threading.Event()
 
@@ -14,6 +16,12 @@ def exceptHook(args):
     deathBell.set()
     logger.error("rang the death bell")
 
+def terminateHook(sig, frame):
+    global deathBell
+    logger.error("SIGINT received")
+    deathBell.set()
+    logger.error("rang the death bell")
+
 
 logger.info("opcua2mqtt bridge starting")
 
@@ -44,6 +52,9 @@ for o in config['opcua']:
 threading.excepthook = exceptHook
 logger.info("Threading excepthook set")
 
+signal.signal(signal.SIGINT, terminateHook)
+logger.info("SIGINT handler set")
+
 logger.info("opcua2mqtt bridge is running")