At least on linux (with a 2.6 kernel), I believe realtime support is now available without requiring extra priviledges by using the Realtime Linux Security Module. http://sourceforge.net/projects/realtime-lsm/ I'm not aware of how exactly how secure it is, but at least you shouldn't have to do suid root.
Eric On Tue, 24 May 2005, Colin Perkins wrote: > On 24 May 2005, at 17:55, Robert Olson wrote: > >> And assuming that the OS was a realtime OS and thus could actually > >> provide > >> timing assurances to applications. > > > > I know as of a couple years ago the hardcore linux audio folks were > > doing exactly this; I don't know the current state of the realtime > > mods for linux. > > > > Anyone know if XP or MacOS provides any such support? > > They all provide limited real-time support. I can't speak for the vic > folks, but for rat we intentionally ignored this support, since it > exposes a number of security issues (you have to make the application > suid root and carefully drop privileges after enabling real-time > scheduling) and didn't seem to offer much benefit. > > Colin > >
