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Date:	Sat, 2 Jun 2012 17:32:14 -0400
From:	Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Mintty Log Off problem (now 1.7.16s)
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On Sat, Jun 02, 2012 at 03:17:34PM -0600, Harry G McGavran Jr wrote:
>>>I thought you had requested in which 1.7.10s snapshot it broke.
>>>So the earliest snapshot I could find for 1.7.10s does have the problem.
>>>It works in 1.7.9.
>>>
>>>As I mentioned earlier in cygwin-inst-20120415.tar.bz2, a 1.7.11s
>>
>>That should be cygwin-inst-20120220.tar.bz2.
>>
>>>snapshot it's fixed. That's the snapshot that was current when
>>>it was suggested I try the latest snapshot.
>>>
>>>So, you must be wanting me to check the 1.7.11s snapshots to see
>>>if it's fixed in an earlier 1.7.11s snapshot.
>>>
>>>I'll have to check that out next week when I should have more time.
>>>
>>>   Harry
>>>
>
>I had a little bit of time this afternoon to start on the snapshots
>prior to 20120220.  I had enough time to try several of these instead
>of the first 1.7.10s snapshot I reported on.  Since it is necessary
>to stop any and all cygwin processes before switching the cygwin1.dll's
>each time I try a snapsnot, I ended up going through several iterations
>where I remembered to stop everything started by cygrunsrv at startup,
>but forgot on occasion to stop gpg-agent.  Interestingly, the problem
>occurs when I have not stopped gpg-agent.  It turns out that I built
>gpg2 on cygwin with the resulting gpg-agent at the same time I had
>upgraded to 1.7.15.  So this problem with 1.7.15 and later is because
>exiting mintty does not stop the gpg-agent that is somehow associated
>with it and according to an earlier post in this thread, unless
>a process associated with mintty is started with setsid, if it
>is still running you could have a problem like this.

That is because a subprocess which still has an an open pty associated
with it maintains a connection to the originator of the pty.  setsid
breaks that connection.

cgf

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