On Tue, 2009-05-12 at 19:34 +0300, Jussi Laako wrote: > Chris Friesen wrote: > > If all you're trying to do is allow different threads to run at > > different nice levels, what about extending sys_setpriority() to take a > > "which" of PRIO_THREAD? We'd probably have to call the syscall directly > > until/unless libc picks up the new option. > > How would this be mapped to a POSIX standard API? I would like to see > something which works straight out with > pthread_setschedprio()/pthread_getschedparam(). In order it to work > correctly it also needs sys_sched_get_priority_min and > sys_sched_get_priority_max. > Well, I'm not sure I can see why, since nor a "SCHED_MM" scheduling policy, nor having priorities for SCHED_OTHER (different from nice levels) is _not_ POSIX compliant, is it? Dario -- <> (Raistlin Majere) ---------------------------------------------------------------------- Dario Faggioli, ReTiS Lab, Scuola Superiore Sant'Anna, Pisa (Italy) http://blog.linux.it/raistlin / raistlin@ekiga.net / dario.faggioli@jabber.org