--- Jon Smirl <[EMAIL PROTECTED]> wrote:
> You did that from an xterm, right? Which console device is the xterm
> running on?
>
> X starts up a process that knows which device it is running and it can
> remember that device since X stays running.
>
Remember X opens the VC sepratly from it's console, hence it workes even
when run from a serial or ssh terminal.
> Maybe the answer is that this is something for the VC layer since the
> VC layer stays running and knows what device it was started on. An
> escape sequence could query the device from the VC terminal emulator.
>
> Is there some way to figure this out from the environment?
>
> On Sat, 18 Sep 2004 21:57:32 -0400 (EDT), Vladimir Dergachev
> <[EMAIL PROTECTED]> wrote:
> > On Sat, 18 Sep 2004, Jon Smirl 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?
> >
> > From any program you can do this:
> >
> > [EMAIL PROTECTED]:~$ ls -l /proc/self/fd/0
> > lrwx------ 1 volodya users 64 Sep 18 21:56 /proc/self/fd/0 ->
> /dev/pts/1
> >
> > So you get the pointer to the actual device stdin is associated to.
>
> --
> Jon Smirl
> [EMAIL PROTECTED]
>
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