From: Andrew Svetlov <andrew.svetlov@gmail.com>
Date: Sun, 24 Dec 2017 11:50:03 +0000 (+0200)
Subject: bpo-26133: Clear signals list on interpreter finalizing (#5002)
X-Git-Tag: v3.7.0a4~56
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4f146f9ed133b9ad56d4ee7a653396836af34067;p=thirdparty%2FPython%2Fcpython.git

bpo-26133: Clear signals list on interpreter finalizing (#5002)
---

diff --git a/Lib/asyncio/unix_events.py b/Lib/asyncio/unix_events.py
index ec767f57d3aa..5d6a3c09ac7c 100644
--- a/Lib/asyncio/unix_events.py
+++ b/Lib/asyncio/unix_events.py
@@ -55,10 +55,13 @@ class _UnixSelectorEventLoop(selector_events.BaseSelectorEventLoop):
             for sig in list(self._signal_handlers):
                 self.remove_signal_handler(sig)
         else:
-            warinigs.warn(f"Closing the loop {self!r} on interpreter shutdown "
-                          f"stage, signal unsubsription is disabled",
-                          ResourceWarning,
-                          source=self)
+            if self._signal_handlers:
+                warinigs.warn(f"Closing the loop {self!r} "
+                              f"on interpreter shutdown "
+                              f"stage, signal unsubsription is disabled",
+                              ResourceWarning,
+                              source=self)
+                self._signal_handlers.clear()
 
     def _process_self_data(self, data):
         for signum in data: