vgetty file locking

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Hi,

Francesco L. wrote:
> I run vgetty from inittab in this way:
> S1:2345:respawn:/usr/local/sbin/vgetty -s 38400 modem
>
> modem is a symlink to /dev/ttyS1.

Don't do this.

> The problem is that I don't see any lockfile for the modem line in /var/lock/
> 
> Furthermore if the line is already used by another process (ie pppd which 
> always creates /var/lock/LCK..modem) vgetty doesn't care about this and it 
> takes control of the line..

IFF both programs use /dev/modem AND both programs write their lock file
into /var/lock/LCK..*, they should properly interact.

If you have compiled mgetty/vgetty to use /usr/spool/uucp/LCK..* or
wherever, they will collide.  Look into the debug log file to see what 
file vgetty uses.

gert
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Gert Doering - Munich, Germany                             gert@greenie.muc.de
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