HAL features needed

[David Zeuthen]

On Wed, 2005-01-26 at 09:06 -0700, Trever L. Adams wrote:
> My examples are going to be somewhat bad, but please see through them
> for the reasoning and the necessity of these features.
> 

Discussion of hal happens on hal at freedesktop.org 

> 1) We need a way to know if someone, using HAL, is logged in either in a
> terminal or an X session.
> 
> Think of a situation where you have a piece of software that needs to do
> tasks from time to time (changing of runlevels is likely).
> 
> You want to automate this, or at least be able to tell the machine to do
> it. However, this process should wait (or the shell script that does all
> the running) until no one is logged in. Yes, yes, who and w might
> provide that, but I find this a cleaner solution.
> 

Uhm, hal is piece of software that keeps a list of your hardware,
provides hooks for configuring it, and notifies anyone who is
interested when hardware is added/removed. What you suggest has
nothing to do with that.

> 2) We need a way to know if some critical process, such as up2date, is
> being run at shutdown and allow the app, as long as it response every X
> amount of time (2 minutes or so) to continue to run.
> 
> Think of a network environment and someone is doing an up2date via cron
> or ssh. Someone finishes using the computer and turns it off. This
> should pause, in a test or graphical shut down, showing a list of such
> processes. It should not execute any shut down sequences until this list
> is empty, or they programs all cease to respond.
> 
> These processes should notify HAL, that they need to complete and that
> they have completed, and have an event handler to respond to HAL.
> 

Uhm, no, this has nothing to do with hal. It belongs somewhere else.

David