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25eb043eba
gh-144774: Add critical section in `BaseException.__setstate__` (GH-150578)
(cherry picked from commit f586fd9e30)
Co-authored-by: Brij Kapadia <97006829+brijkapadia@users.noreply.github.com>
16 lines
412 B
Python
16 lines
412 B
Python
import unittest
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import copy
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from test.support import threading_helper
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threading_helper.requires_working_threading(module=True)
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class ExceptionTests(unittest.TestCase):
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def test_setstate_data_race(self):
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E = Exception()
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def func():
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for i in range(100):
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setattr(E, 'x', i)
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copy.copy(E)
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threading_helper.run_concurrently(func, nthreads=4)
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