Re: Opinions on removing /proc/tty?

[Randy.Dunlap]

On Sat, 8 Jul 2006 01:56:02 -0400 Jon Smirl wrote:

> On 7/8/06, Randy.Dunlap <rdunlap@xxxxxxxxxxxx> wrote:
> > I don't know how well this is an answer to your question,
> > but I would like to be able to find a list of registered "consoles,"
> > whether they be serial, usbserial, netconsole, lp, or whatever.
> > /proc/tty/drivers does that partially.
> 
> Console is an overloaded word. Do you want to know where it is legal
> to send system log output to, or do you want to know where you can log
> in from? There was a thread earlier that talked a little about
> controlling this.

I have a working definition:
I want to see a list of drivers that have called register_console().

> > I have a patch that also does it in /proc/consoles:
> >   http://www.xenotime.net/linux/patches/consoles-list.patch
> > Is somewhere in /sys the right place to find a list of all consoles?
> 
> /sys is the right place for this info but a class does not exist for it yet.

I want a list of registered consoles.  How would I express that in /sys ?

> Your patch isn't printing correctly. It is supposed to write the
> output to seq_file, not use printk.

Pray tell where does it call printk()?

> I get one entry on my system:
> 0: tty      x:W:U flags: print consoledev enabled
> 
> I would have thought that I would see entries for network, serial, and
> syslog too.

Yes for network and serial or usbserial.  I wouldn't expect syslog
(based on my working definition).

---
~Randy
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