[issue21515] Use Linux O_TMPFILE flag in tempfile.TemporaryFile?

[Antoine Pitrou]

Antoine Pitrou added the comment:

I don't think we can use this by default, or it will break the expected semantics of temporary files under Unix (visible by other processes).

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nosy: +georg.brandl, ncoghlan, pitrou

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<http://bugs.python.org/issue21515>
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