Suspend and NetworkManager

[Nigel Cunningham]

Hi.

On Friday 13 January 2006 08:00, David Zeuthen wrote:
> On Fri, 2006-01-13 at 07:30 +1000, Nigel Cunningham wrote:
> > > You need a way for the applications to delay the suspend; hence they
> > > need to register and ACK/NAK/delay the suspend. It's that simple.
> >
> > Can you provide an example?
>
> Plenty:
>
>  - NetworkManager to shut networking down
>  - IRC / IM to log properly off
>  - Nautilus to finish copying stuff to hotpluggable / removable drives
>  - Abiword to quick-save all documents before letting go.

All those examples delay the suspend - I can fully understand and agree with 
them, but how about the ACK/NAK bit? That was what caused me to stumble.

> > My first inclination is to disagree and say 'If I
> > trigger a power management state - by whatever means - no application
> > should be able to say "I know better than the user. Don't do it.". Sure,
> > I might kill a download halfway through, but I let the battery go
> > critical, closed the lid or whatever. I shouldn't have to miss my bus
> > because I was struggling with getting my laptop to suspend. Perhaps there
> > are exceptions, but I'm struggling to think of one. Please help ;)
>
> Well, there's supposed to be a timeout of 2 to 5 seconds, depending on
> what caused the suspend. That's all policy that one can think a lot
> about and it belongs in g-p-m I think.

Thanks for your reply!

Nigel