On Fri, May 07, 2010 at 02:25:56PM -0700, Tony Lindgren wrote: > * Matthew Garrett <mjg@xxxxxxxxxx> [100507 13:58]: > > Here's a different example. A process is waiting for a keypress, but > > because it's badly written it's also drawing to the screen at 60 frames > > per second and preventing the system from every going to idle. How do > > you quiesce the system while still ensuring that the keypress will be > > delivered to the application? > > I guess it depends. If it's a game and I'm waiting to hit the fire > button, then I don't want the system to suspend! > > It's starting to sound like you're really using suspend blocks > to "certify" that the app is safe to keep running. > > Maybe it could be done with some kind of process flag instead that > would tell "this process is safe to keep running from timer point of view" > and if that flag is not set, then assume it's OK to stop the process > at any point? How do you know to wake the process up in response to the keypress? -- Matthew Garrett | mjg59@xxxxxxxxxxxxx _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
