Catch BrokenBarrierError in another place it can be thrown and mention the

ProcessPoolExecutor in NEWS.

Author: duaneg

Lib/test/test_concurrent_futures/executor.py

@@ -249,8 +249,9 @@ def test_shutdown_notifies_cancelled_futures(self):
             pass
 
         for future in fs:
-            self.assertRaises((FalseyBoolException, futures.CancelledError),
-                              future.result)
+            self.assertRaises(
+                (FalseyBoolException, futures.CancelledError, threading.BrokenBarrierError),
+                future.result)
 
         self.assertIn('CANCELLED_AND_NOTIFIED', [f._state for f in fs])
 

Misc/NEWS.d/next/Library/2025-05-24-15-15-43.gh-issue-109934.WXOdC8.rst

@@ -1,2 +1,3 @@
-Ensure :class:`concurrent.futures.ThreadPoolExecutor` notifies any futures
-it cancels on shutdown.
+Ensure :class:`concurrent.futures.ThreadPoolExecutor` and
+:class:`concurrent.futures.ProcessPoolExecutor` notifies any futures it cancels
+on shutdown.