Comment on _UnixSelectorEventLoop.close() logic

hidmic · hidmic · commit 3b4975a42419 · 2022-09-16T20:11:34.000-03:00
diff --git a/Lib/asyncio/unix_events.py b/Lib/asyncio/unix_events.py
@@ -65,6 +65,9 @@ def __init__(self, selector=None):
         self._signal_handlers = {}
 
     def close(self):
+        # remove signal handlers first to verify
+        # the loop's signal handling setup has not
+        # been tampered with
         if not sys.is_finalizing():
             for sig in list(self._signal_handlers):
                 self.remove_signal_handler(sig)
