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bpo-37933: Fix faulthandler.cancel_dump_traceback_later() (GH-15440)

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Fix faulthandler.cancel_dump_traceback_later() call
if cancel_dump_traceback_later() was not called previously.
This commit is contained in:
Thomas A Caswell 2019-08-29 12:30:04 -04:00 • committed by Victor Stinner
parent 88ea166dad
commit e278335a6e
2 changed files with 16 additions and 0 deletions
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11
Lib/test/test_faulthandler.py
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@ -817,6 +817,17 @@ class FaultHandlerTests(unittest.TestCase):
self.assertEqual(output, [])
self.assertEqual(exitcode, 0xC0000005)
def test_cancel_later_without_dump_traceback_later(self):
# bpo-37933: Calling cancel_dump_traceback_later()
# without dump_traceback_later() must not segfault.
code = dedent("""
import faulthandler
faulthandler.cancel_dump_traceback_later()
""")
output, exitcode = self.get_output(code)
self.assertEqual(output, [])
self.assertEqual(exitcode, 0)
if __name__ == "__main__":
unittest.main()