Arjan van de Ven wrote: > On Sun, Sep 18, 2005 at 02:54:20AM +0200, Bernardo Innocenti wrote: > >>Altough I generally dislike threaded programs and expecially >>those who spin on locks instead of designing a proper arbitration >>scheme for shared resources, I consider the new kernel behavior >>unfair and bogus. > > is it? "sched_yield" means "give up the cpu to lower priority processes", > because, frankly, if there were higher priority ones.. they'd already be > running. So what else does it mean? It's more meaningful to interpret sched_yield() as "give up the processor, as if the scheduler quantum had expired". The scheduler wouldn't normally allow a lower priority process to preempt a high-priority ready process for 30+ ms. Unless I'm mistaken about Linux's scheduling policy... -- // Bernardo Innocenti - Develer S.r.l., R&D dept. \X/ http://www.develer.com/ -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
