Re: [PATCH][2.1.71] BSD revoke() syscall

Pavel Machek (
Thu, 11 Dec 1997 14:04:00 +0100


> Out of interest, what are these?
> User A dials up to a linux machine, runs a program which opens /dev/tty
> and hangs around in the background. User A logs out, and User A's
> program catches signals so it doesn't exit. User B logs in, and starts
> to do work. User A's program can still execute a few limited tty
> ioctl's, including ones which can reconfigure termios settings, such
> as

Why? Why allow program playing with someone else-s configuration? Is
it needed for something?

> the baud rate, line echoeing, etc.

I'm really 	   Pavel
Look at ;-).