[issue12044] subprocess.Popen.__exit__ doesn't wait for process end

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

> Actually, I don't think the wait() is a good idea. If you want to
> block and infinitely wait on the process to close, you should do so
> explicitly.

Ok.

> It's probably better that we try to use terminate() or kill() and raise if that fails.

Uh, I think it's worse. Using a context manager shouldn't do something
potentially destructive like killing a process.

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