Re: [PATCH 1/8] PM: Add suspend block api.

Matthew Garrett
2010-05-07T21:48:55Z

On Fri, May 07, 2010 at 02:42:11PM -0700, Tony Lindgren wrote:
> * Matthew Garrett <mjg@redhat.com> [100507 14:34]:
> > How do you know to wake the process up in response to the keypress?
>
> Does it matter for processes that are not "certified"? Maybe you
> could assume that you can keep it stopped until the screen is on
> again, or some other policy.

Yes, it matters. You don't necessarily know whether to turn the screen
on until the app has had an opportunity to process the event. This is
exactly the kind of use case that suspend blocks are intended to allow,
so alternatives that don't permit that kind of use case aren't really
adequate alternatives.

--
Matthew Garrett | mjg59@srcf.ucam.org