[Bug] Add lock on RPC status watchdog

Author: random-zebra

spmt.py

@@ -89,10 +89,13 @@
 
     # Close Splashscreen
     splash.close()
-    
-    ##-- Launch RPC watchdog
-    ex.mainWindow.rpc_watchdogThread.start()
-    
+
+    try:
+        ##-- Launch RPC watchdog
+        ex.mainWindow.rpc_watchdogThread.start()
+    except Exception as e:
+        print(e)
+
     # Execute App
     app.exec_()
     try:

src/watchdogThreads.py

@@ -34,10 +34,11 @@ def run(self):
         while not self.shutdown_flag.is_set():
             # update status without printing on debug
             self.control_tab.updateRPCstatus(self.ctrl_obj, False)
+            with self.control_tab.lock:
+                connected = self.control_tab.rpcConnected
 
-            if not self.control_tab.rpcConnected:
+            if not connected:
                 sleep(self.timer_off)
-
             else:
                 sleep(self.timer_on)