[issue31473] PyMem_Raw* API in debug mode are not thread safe

[Xiang Zhang]

New submission from Xiang Zhang:

PyMem_Raw* APIs should be thread safe. But in debug mode, they are not that simple and increment a global variable *serialno* and the incrementing action is not thread safe.

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components: Interpreter Core
messages: 302187
nosy: haypo, xiang.zhang
priority: normal
severity: normal
stage: needs patch
status: open
title: PyMem_Raw* API in debug mode are not thread safe
type: behavior
versions: Python 3.6, Python 3.7

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue31473>
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