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GH-98023: Change default child watcher to PidfdChildWatcher on supported systems (#98024)

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Kumar Aditya 2022-10-08 05:59:09 +05:30 • committed by GitHub
parent 3d8b224547
commit 8ba9378b16
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3 changed files with 29 additions and 2 deletions
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14
Lib/test/test_asyncio/test_unix_events.py
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@ -1702,7 +1702,8 @@ class PolicyTests(unittest.TestCase):
def test_get_default_child_watcher(self):
policy = self.create_policy()
self.assertIsNone(policy._watcher)
unix_events.can_use_pidfd = mock.Mock()
unix_events.can_use_pidfd.return_value = False
watcher = policy.get_child_watcher()
self.assertIsInstance(watcher, asyncio.ThreadedChildWatcher)
@ -1710,6 +1711,17 @@ class PolicyTests(unittest.TestCase):
self.assertIs(watcher, policy.get_child_watcher())
policy = self.create_policy()
self.assertIsNone(policy._watcher)
unix_events.can_use_pidfd = mock.Mock()
unix_events.can_use_pidfd.return_value = True
watcher = policy.get_child_watcher()
self.assertIsInstance(watcher, asyncio.PidfdChildWatcher)
self.assertIs(policy._watcher, watcher)
self.assertIs(watcher, policy.get_child_watcher())
def test_get_child_watcher_after_set(self):
policy = self.create_policy()
watcher = asyncio.FastChildWatcher()