On Tue, 22 May 2001, Phil Mendelsohn wrote: > In writing the RAM meter driver, I can open the serial port and talk to > it. It looks like there's like totally nothing to the driver. The > question I have is that generally users don't have permission to open > /dev/ttyS0, so you either run the program as root (works) or code it to do > a setuid(0). I think that's right, but I've never mucked with the uid > stuff much and never from a programming end. Anyone got a better > suggestion than "just run it as root?" (Maybe that's not a bad idea > anyway.) give the users permission to open /dev/ttyS0? :) -- Nate Carlson <natecars at real-time.com> | Phone : (952)943-8700 http://www.real-time.com | Fax : (952)943-8500