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Date:      Mon, 15 Nov 1999 19:06:00 +1030 (CST)
From:      "Daniel O'Connor" <doconnor@gsoft.com.au>
To:        Mark Murray <mark@grondar.za>
Cc:        cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org, Kazutaka YOKOTA <yokota@FreeBSD.org>, Garrett Wollman <wollman@khavrinen.lcs.mit.edu>, Peter Wemm <peter@netplex.com.au>, Bruce Evans <bde@zeta.org.au>
Subject:   Re: cvs commit: src/sys/dev/syscons scmouse.c src/sys/i386/conf 
Message-ID:  <XFMail.991115190600.doconnor@gsoft.com.au>
In-Reply-To: <199911150828.KAA32612@gratis.grondar.za>

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On 15-Nov-99 Mark Murray wrote:
> > This should be an ioctl.
>  Yukk! "ioctls are the garbage cans of system calls" - Kirk McKusick

They still work pretty well. They're 'the garbage can' because you put things
that don't fit the read/write model there.

>  In order to use an ioctl, you need to write nasty looking code, and in
>  cases like this, that ends up being horrors like rndcontrol(8). One
>  of the nice things about UNIX is its extremely general-purpose tools,
>  and these one-off ioctl-drivers break that.

Why not make vidcontrol deal with it? It already handles console stuff.

---
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum


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