Re: ttyp's...

Mike Bristow (mike@shivan.demon.co.uk)
21 Dec 1996 16:10:42 GMT

Neil Moore <amethyst@valjean.sfhs.floyd.k12.ky.us>
said something like:
[snip]
> > i'd go with this one, since MAKEDEV is more likely to create new ttyp? with the
> > proper major,minor..
>
> Not if the MAKEDEV script is out of date, though. No matter how a specific
> distribution thinks it should be, the kernel documentation says major 3. I
> can see a number of systems breaking because of this when moving to 2.2.x
> (or whatever release removes support for major 4 ttyp).

perhaps we should have a /usr/src/linux/scripts/MAKEDEV.ptty like this?

#!/bin/sh
# MAKEDEV.ptty
# By mike@shivan.demon.co.uk
# Quick and dirty hack to rearrange my pty's to the
# new numbering scheme...

PTTY_M_PRE="/dev/pty"
PTTY_S_PRE="/dev/tty"
PTTY_OWN="root:tty"
PTTY_PERM="666"

for i in p q r s t u v w x y z a b c d e ; do
/bin/echo -n doing bank $i
bank=`expr index pqrtsuvwxyzabcde $i - 1`
for j in 0 1 2 3 4 5 6 7 8 9 a b c d e f ; do
/bin/echo -n .
no=`expr index 0123456789abcdef $j - 1`
minor=`expr $bank \* 16 + $no`
rm -f $PTTY_M_PRE$i$j $PTTY_S_PRE$i$j
mknod -m $PTTY_PERM $PTTY_M_PRE$i$j c 2 $minor
mknod -m $PTTY_PERM $PTTY_S_PRE$i$j c 3 $minor
chown $PTTY_OWN $PTTY_M_PRE$i$j $PTTY_S_PRE$i$j
done
echo done
done

-- 
Mike Bristow: 			mike@shivan.demon.co.uk   
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