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Message-ID: <004501c2e11f$495f66e0$78d96f83@pomello>
From: "Max Bowsher" <maxb AT ukf DOT net>
To: <cygwin AT cygwin DOT com>
References: <001b01c2e0d1$2393a320$78d96f83 AT pomello> <20030302173304 DOT GC441 AT redhat DOT com> <20030302174328 DOT GD441 AT redhat DOT com> <20030302235026 DOT GA32532 AT redhat DOT com>
Subject: Re: Processes are unable to fully discard their controlling terminal
Date: Mon, 3 Mar 2003 00:53:20 -0000
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Christopher Faylor wrote:
> On Sun, Mar 02, 2003 at 12:43:28PM -0500, Christopher Faylor wrote:
>> On Sun, Mar 02, 2003 at 12:33:04PM -0500, Christopher Faylor wrote:
>>> On Sun, Mar 02, 2003 at 03:33:56PM -0000, Max Bowsher wrote:
>>>> Processes that attempt to shed their controlling terminal do so
>>>> well enough for the tty to show as ? in ps output, but they still
>>>> keep the console window they were launched from open, after all
>>>> other processes using it have exited.
>>>>
>>>> This is particularly annoying with ssh-agent - if I exit the shell
>>>> in the terminal that launched it, that terminal becomes a zombie,
>>>> hanging around for no purpose. If I close that window using the
>>>> Windows close box, the ssh-agent is killed.
>>>>
>>>> I'm not an expert in the ways of Unix ttys. Can anyone help me
>>>> understand where the problem lies?
>>>
>>> setsid()
>>
>> I think I see the problem.  It will be tricky to fix but I'll see
>> what I can do.
>
> I've checked in some changes that seem to fix the reported behavior.
>
> Does the current snapshot rectify this behavior?

It does. Thankyou *very* much! A same-day bugfix is absolutely amazing!

I can now successfully share an ssh-agent between all my shells, with it
starting with the first one, and ending with the last, and no zombie windows
if I end shells in the wrong order.


Max.


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