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SubjectRe: Design for setting video modes, ownership of sysfs attributes

--- Jon Smirl <jonsmirl@gmail.com> wrote:
> Isn't there an enviroment variable that tells what device is the
> console for the session? How do you tell what serial port you're on
> when multiple people are logged in on serial lines?
>
The FDs 0, 1 and posibly 2 will be the console. Per posix? There should
be no other ties to the current console. Right?

I think this is totaly a userspace question or do we need to find out the
procs console in an ioctl?

>
> On Sat, 18 Sep 2004 16:33:54 -0700, Keith Packard <keithp@keithp.com>
> wrote:
> >
> > Around 18 o'clock on Sep 18, Jon Smirl wrote:
> >
> > > The sysfs scheme has the advantage that there is no special user
> > > command required. You just use echo or cp to set the mode.
> >
> > But it makes it difficult to associate the sysfs entry with the
> particular
> > session. Seems like permitting multiple opens of /dev/fb0 with mode
> > setting done on that file pointer will be easier to keep straight
> >
> >
> >
> >
>
>
>
> --
> Jon Smirl
> jonsmirl@gmail.com
>




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