[issue35757] slow subprocess.Popen(..., close_fds=True)

[Josh Rosenberg]

Josh Rosenberg <shadowranger+python at gmail.com> added the comment:

Others can correct me if I'm wrong, but I'm fairly sure 2.7 isn't making changes unless they fix critical or security-related bugs.

The code here is suboptimal, but it's already been fixed in Python 3 (in #8052), as part of a C accelerator module (that reduces the risk of race conditions and other conflicts your Python level fix entails). Unless someone corrects me, I'll close this as "Won't Fix".

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nosy: +josh.r

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