Trent Piepho (xyzzy@xxxxxxxxxxxxx): > On Wed, 13 Nov 2002, Billy Biggs wrote: > > Applications requiring "low latency" even at the high numbers tvtime > > requires like < 20ms should be run as root or at least at high > > priority. > > Have you made tvtime suid aware? Let it run SUID root, request > real-time priority and open RTC and video devices, and then drop > privileges. We now call: setuid( getuid() ); So, if tvtime is setuid root and you run it as a user, after abusing our root priviledges we drop back to the running user's status. I figure that's a good starting point anyway. It will be in the next release of tvtime. -- Billy Biggs vektor@xxxxxxxxxxxx
