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[Octave-bug-tracker] [bug #49211] "test syscall" often hangs on Windows

From: Rik
Subject: [Octave-bug-tracker] [bug #49211] "test syscall" often hangs on Windows
Date: Thu, 29 Sep 2016 03:59:39 +0000 (UTC)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0

Update of bug #49211 (project octave):

                  Status:                    None => Confirmed              


Follow-up Comment #1:

Confirmed.  I think the problem is that Windows just doesn't really have the
same notion of children, process IDs, etc.

I played around with your script and waitpid, even when it returns, doesn't
seem to do anything.  I used the Process Monitor in Windows and I could see
that there were still 'sort' processes left over.

What I did find that worked was using

fclose (in);
fclose (out);

At that point, I got no extra sort processes.

Maybe we need a waitpid process that is specifically written for Windows.  The
popen2 call is written for Windows, but waitpid is coming from gnulib.


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