Subject: Re: sysctl items defined at attach time
To: None <>
From: Gordon W. Ross <>
List: tech-kern
Date: 08/29/1996 16:54:05
> From: (Bill Studenmund)
> Date: Thu, 29 Aug 1996 10:57:45 -0700 (PDT)

> [ mycroft says ]
> > I see absolutely no reason why it would make sense to sysctl(8) for
> > this.  If anything, you should create another tty flag, a la CRTSCTS.
> Ok. Though I think adding a flag whose name only makes sense for the
> mac68k driver would be a bit gross for all the other ports. So
> maybe a serial port equivalent of the link[0-2] bits in ifconfig?
> Add more than one while I'm at it?
> Should they be CFLAGs or LFLAGs? CFLAG makes more sense to me, since they
> have a hardware-related meaning, but sys/tty.h implies that the L
> (local) flags are the dumping ground for all miscelaneous things.

You could just add a new ioctl code that is truly device specific.
That is what ioctl was designed for, after all...