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gh-140634: Fix a reference counting bug in os.sched_param.__reduce__() (GH-140667)

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Serhiy Storchaka 2025-10-27 21:42:32 +02:00 • committed by GitHub
parent a716091227
commit 364ae607d8
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3 changed files with 10 additions and 1 deletions
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8
Lib/test/test_os/test_posix.py
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@ -1427,6 +1427,14 @@ def test_sched_param(self):
self.assertNotEqual(newparam, param)
self.assertEqual(newparam.sched_priority, 0)
@requires_sched
def test_bug_140634(self):
sched_priority = float('inf') # any new reference
param = posix.sched_param(sched_priority)
param.__reduce__()
del sched_priority, param # should not crash
support.gc_collect() # just to be sure
@unittest.skipUnless(hasattr(posix, "sched_rr_get_interval"), "no function")
def test_sched_rr_get_interval(self):
try: