[issue16850] Atomic open + close-and-exec

[Antoine Pitrou]

Antoine Pitrou added the comment:

> How about two options, like 'e' for guaranteed atomic CLOEXEC and 'E'
> for CLOEXEC with or without atomic ops?

Why would you want that? Best effort is sufficient.
Also, I'm not sure why "e".

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nosy: +pitrou

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