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

[Mike Mestnik]

--- Jon Smirl <jonsmirl@xxxxxxxxx> 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@xxxxxxxxxx>
> 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@xxxxxxxxx
> 



		
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