shutdown emacsclient when logging out

[Rainer M Krug]

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Hi

I am using awesome window manager and would like to start emacsclient when I 
log in. THis is the
easy part and this is working.
But when I logout, emacsclient is just killed and,as I am saving the desktop, I 
get the following
message when starting emacs, or emacsclient just sits hidden away and waiting.

Warning: desktop file appears to be in use by PID 30566.
Using it may cause conflicts.  Use it anyway? (y or n)

So my question: can I shutdown emacsclient when logging out in a controlled 
way, so that all still
open files are saved, and emacsclient starts the next time cleanly?

Awesome can execute commands on logout, so that I could execute a commandline 
command.

Cheers,

Rainer
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