[issue31368] Add os.preadv() and os.pwritev()

[Ned Deily]

Ned Deily <nad at python.org> added the comment:

If I understand the discussion on the PR properly, Victor would like to revisit the documentation for this PR but is OK with the code as merged. I'm therefore downgrading this to "deferred blocker".  Please try to get the issue closed one way or another prior to 3.7.0b2, thanks!

----------
priority: release blocker -> deferred blocker
versions: +Python 3.8

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue31368>
_______________________________________