[New-bugs-announce] [issue38511] Multiprocessing does not work properly when using the trace module.

[minjeong kim]

New submission from minjeong kim <98nba at naver.com>:

normal result :
$ python test.py
{'p1': 1, 'p2': 1, 'p3': 1, 'p4': 1}

run with tracing :
$ python -mtrace --trackcalls test.py
{}

It seems that the foo and save functions that multiprocess should call are not called.

----------
components: Library (Lib)
files: test.py
messages: 354864
nosy: rls1004
priority: normal
severity: normal
status: open
title: Multiprocessing does not work properly when using the trace module.
type: behavior
versions: Python 2.7, Python 3.5, Python 3.6
Added file: https://bugs.python.org/file48667/test.py

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38511>
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