Implement THREAD_PRIORITY_TIME_CRITICAL

[Chris Morgan]

Can't we use kernel capabilities to let people do this without having
to run as root?  Thats what jack audio server users are advised to do
to ensure SCHED_FIFO.

Chris


On 3/31/06, Mike Hearn <mike at plan99.net> wrote:
> > Until it crashes your box of course...
>
> If a Windows program has a habit of hard freezing the system then the
> user will learn not to run that program.
>
> As it is, right now _many_ games suffer this problem with corrupted
> audio and it's very unpleasant (loud bursts of white noise). Makes the
> games unplayable, in fact.
>
> I'd rather make the games playable and give developers an incentive to
> find a better privilege model than leave this to coast along for another
> few years with only a bunch of talk, ideas and non-mainline patches.
>
> Right now there are no good solutions for this we can implement in Wine
> itself (except maybe making wineserver suid root and drop privs), and
> SCHED_ISO isn't merged into the mainline kernel, so telling users to
> upgrade won't solve much.
>
> > If we have to require people to upgrade their kernel to get
> > the feature that's fine; at least then when the box dies we can blame
> > the kernel guys ;-)
>
> I agree that it's not good, but this patch makes the best of a bad
> situation and it's better for the users this way. If they don't want to
> run as root, they don't have to, and if - like me - they know the game
> is safe and wish to have some fun this evening then they can.
>
> thanks -mike
>
>
>