[issue30357] test_thread.test_save_exception_state_on_error(): Unhandled exception in thread: AMD64 Debian root 2.7

[STINNER Victor]

STINNER Victor added the comment:

Using 5 terminals to run 5 tests in parallel.

I'm unable to reproduce the bug if I only run the test alone:

   ./python -m test -uall -F -m test_save_exception_state_on_error test_thread

But I'm able to reproduce the bug if I run the full test_thread.py:

   ./python -m test -uall -F test_thread

So I'm now more confident that grzgrzgrz3's patch can fix the issue. test_thread uses the low-level thread.start_new_thread() function to spawn threads, but pthread_join() is not used to wait for the thread exit. So multiple test_thread tests can "leak" threads which can have random effect on following tests.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30357>
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