Re: detecting logout
Re: detecting logout
- Subject: Re: detecting logout
- From: Pete Gontier <email@hidden>
- Date: Tue, 01 Feb 2005 14:04:09 -0800
By the way, the triple-posting of my original message didn't come from me.
According to the headers of the duplicates, someone else re-sent my message
twice. I guess we'll see if it happens again for this message. :-)
circa 2/1/05 12:16 PM, "Graham J Lee" <email@hidden>
wrote:
> Does the user's .logout script (or whatever alternative bash has) get
> run when they log out of the console environment? If so, you launch
> your daemon from .login, and cause it to write its pid into
> ~/.mydaemonname.pid, and then .logout contains the line "kill -QUIT
> `cat ~/.mydaemonname.pid`".
If this script does run, and I doubt it does since typically such things are
only run as part of a terminal session, I can't really exploit this
reasonably because such scripts are arbitrarily complex and thus very
difficult to reliably modify programmatically (especially on uninstall), and
our users have no command-line expertise so can't do it themselves.
> Of course, if it doesn't get run, then you probably need to use a
> logouthook. But that would make you a customer of the WindowServer,
> which you don't want (understandably, because then users who ssh in
> don't get to kill their daemons).
I got an additional message off-list containing a link to a page on logout
hooks.
http://developer.apple.com/documentation/
MacOSX/Conceptual/BPSystemStartup/Tasks/CustomLogin.html
I read this far and stopped:
you must modify the code for launching loginwindow found in /etc/ttys
Wow. I am definitely not in a position to do that.
I suppose I should consider kAEQuitApplication, but I am not sure how I am
going to listen to that without attaching to the window server. I have heard
there are lower-level ways to do Apple events, but I have never used them.
--
Pete Gontier
http://www.m-audio.com/
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