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Hello,
Thanks for the patch.
> I would suggest making it a programming error for the overlapped
> object to be deallocated while the operation is still pending, and
> to print a RuntimeError if that happens. (This does not prevent us
> from still trying to prevent a crash using CancelIoEx().)
Sounds ok to me.
> 6) Not a bug exactly, but poll(timeout) is no longer interruptible
> with Ctrl-C. This also means that Queue.get() is no longer
> interruptible.
There is infrastructure in _multiprocessing to handle Ctrl-C. Look for
"sigint_event" in Modules/_multiprocessing/*. This could be the topic of
a separate issue and patch.
> The unit tests attached pass on Unix. On Windows versions up to 3.2,
> only test_empty_string fails. On Windows version 3.3 all three fail.
Could you make the tests part of Lib/test/test_multiprocessing.py?
Also, what is the rationale for the following change:
- elif timeout == 0.0:
+ elif timeout == 0.0 and nleft != 0:
 return False