On Wednesday 19 Feb 03, Jim Kleckner writes:
> Consistently when I shutdown Win2K I get a dialog
> asking to end an rxvt process:
> End Program: rxvt00000510
> Windows cannot end this program. It may need
> more time to complete an operation. ...
> End Now/Cancel
>
> I launch rxvt via an rxvt.lnk that contains
> the following as the "Target":
> C:\cygwin\bin\rxvt.exe -e bash.exe -i
> I typically launch two instances of rxvt so
> that I can toggle from one to the other. Prior
> to shutdown, I type exit into each shell and the
> window closes. ... I use keychain and ssh-agent
> is still running. If I shut down ssh-agent
> with "keychain -k" prior to exiting the bash
> shells, then shutdown proceeds properly.
>
> Is there a way for keychain to launch ssh-agent
> such that it doesn't cause this hang?
(caveat: I don't use Win2K and I don't use keychains, and I don't know
precisely how keychains work. Presumably it just manages ssh-agent
and ssh-add.)
I don't know how to "launch ssh-agent such that it doesn't cause this
hang". But I do know how to kill ssh-agent automatically when you
exit a shell. Just add:
trap 'test -n "$SSH_AGENT_PID" && eval `ssh-agent -k`' EXIT
to your .bash_profile (or whatever). Actually, the test for
$SSH_AGENT_PID should not be necessary, but on Win9x I had problems
running 'ssh-agent -k' when there was no agent to kill. Maybe
keychain users need to replace
eval `ssh-agent -k`
with
keychain -k
(but I'm just guessing).
If *all* shells source that line, then you have the problem that the
first one to exit will kill ssh-agent, and maybe you don't want that.
You could put something a bit more sophisticated in your .bash_profile
(or whatever) to identify a "master" shell, depending on your
requirements.
Killing ssh-agent when your shell exits is not a Cygwin-specific
problem. (Though the need to kill ssh-agent before logging off or
shutting down *is*.)
Hope this helps.
Regards,
David
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