https://github.com/python/cpython/commit/22d729cf5db6b03930d52c648327e0d953f9e3bc commit: 22d729cf5db6b03930d52c648327e0d953f9e3bc branch: 3.13 author: Miss Islington (bot) <[email protected]> committer: vstinner <[email protected]> date: 2025-03-04T17:28:33Z summary:
[3.13] gh-130730: Fix multiprocessing test_active_children() (GH-130837) (#130845) gh-130730: Fix multiprocessing test_active_children() (GH-130837) Replace a sleep with an event: sleep is not a reliable synchronization primitive. (cherry picked from commit 3dd3675492a3fc3b7996613ef75a9044ee7449b0) Co-authored-by: Victor Stinner <[email protected]> files: M Lib/test/_test_multiprocessing.py diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py index d7de0f7113fe19..4f77b419d4e52a 100644 --- a/Lib/test/_test_multiprocessing.py +++ b/Lib/test/_test_multiprocessing.py @@ -588,12 +588,16 @@ def test_cpu_count(self): def test_active_children(self): self.assertEqual(type(self.active_children()), list) - p = self.Process(target=time.sleep, args=(DELTA,)) + event = self.Event() + p = self.Process(target=event.wait, args=()) self.assertNotIn(p, self.active_children()) - p.daemon = True - p.start() - self.assertIn(p, self.active_children()) + try: + p.daemon = True + p.start() + self.assertIn(p, self.active_children()) + finally: + event.set() p.join() self.assertNotIn(p, self.active_children()) _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3/lists/python-checkins.python.org/ Member address: [email protected]
