[issue34321] mmap.mmap() should not necessarily clone the file descriptor

[Christian Heimes]

Change by Christian Heimes <lists at cheimes.de>:


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nosy: +christian.heimes
versions: +Python 3.10 -Python 2.7, Python 3.4, Python 3.5, Python 3.6, Python 3.7, Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34321>
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