Requests for FC4

[Bill Nottingham]

Stuart Children (stuart at terminus.co.uk) said: 
> >Exactly... what needs to be done here is tagging of all the 
> >scripts/services
> >that can be shut down cleanly, then some quick changes to /etc/rc should
> >cut about half the time out of shutdown (based on some tests I ran ~10
> >months ago or so.)
> 
> How about a "prepare-for-system-shutdown" [1] command to the rc scripts? 
> With the meaning of "save anything you need to 'cos the system's going 
> down shortly" rather than "i want you to exit all your processes right 
> now" (the 'stop' command). For most services this could just be a NOP. 
> Others could trivially call their 'stop' command, or do whatever subset 
> of that is necessary.
> 
> [1] a more succient name should obviously be used. :) Actually, how 
> about 'save', and 'stop' could in general call that and then do its 
> killings?

Breaks compatibility with third-party scripts.

Bill