Re: Parallel Port Question

Steve Wahl (
Thu, 12 Jun 1997 15:02:33 -0500 (CDT)

Alan Cox sez:
> > The reason I'm writing this message is because I'm dissatisfied with
> > both methods. They both require the application program to be run with
> > root permissions (or opening up the permissions on /dev/port). And
> > the applications become hardware specific.
> No they do not. They require the application to be run through a trivial
> secure setuid front end - of which several are on the net. The port access
> mask is inherited.

OK, I can see that. (Could you name one for reference - I just
haven't seen it).

Are you suggesting you think this solution is better than adding an
ioctl to the driver, which (I think) would enahnce portability?

--> Steve Wahl, or