make it safer

radioPlayer.py

@@ -44,6 +44,7 @@ logger = log95.log95("radioPlayer", logger_level)
 
 exit_pending = False
 intr_time = 0
+exit_lock = threading.Lock()
 
 @dataclass
 class Process:
@@ -105,6 +106,7 @@ procman = ProcessManager()
 
 def handle_sigint(signum, frame):
     global exit_pending, intr_time
+    with exit_lock:
         logger.info("Received SIGINT")
         if (time.time() - intr_time) > 5:
             intr_time = time.time()