[issue1191964] asynchronous Subprocess

[Richard Oudkerk]

Richard Oudkerk added the comment:

I would recommended using _overlapped instead of _winapi.
I intend to move multiprocessing over in future.

Also note that you can do nonblocking reads by starting an overlapped read
then cancelling it immediately if it fails with "incomplete".  You will
need to recheck if it completes anyway because of a race.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue1191964>
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