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Re: packages requiring me to reboot...



On Tue, 15 Dec 2009 13:29:25 -0500
Bill Nottingham <notting redhat com> wrote:

> Nathanael D. Noblet (nathanael gnat ca) said: 
> > I'm also curious why gdm is still running once I've logged in.
> 
> When you start a display manager, you start an X server; the display
> manager then draws on this. Then, when you log in, you have to
> stat an user session, as the authenticated user (which has a connection
> to the X server, so it can know when it goes away.)
> 
> You also have to tell the init daemon which process it's supposed to
> be tracking, so it can respawn it when it exits.
> 
> Having that process be the gdm daemon (which forks and execs both
> the X server and the user session) is arguably a lot simpler than
> trying to architect it such that the daemon goes away entirely and
> init then ends up tracking either the X serve or the user session.
> 
> Bill
> 
>

Isn't GDM just doing a wait(2) on the user-session?

Clark

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