Merge pull request 'wait for IPC creation' (#18) from fix/ipc-startup into main

Reviewed-on: #18

reHDDPrinter.py

@@ -201,15 +201,15 @@ def main():
         print("Running in test mode.")
         worker(None, test_mode=True)
         return
-
+    while True:
         try:
             queue_id = msgget(MSG_QUEUE_KEY, 0)
             if queue_id == -1:
                 raise RuntimeError("Failed to connect to the existing message queue.")
-
             worker(queue_id)
         except Exception as e:
             print(f"Main process encountered an error: {e}")
+            time.sleep(30)
 
 
 if __name__ == "__main__":