[lkml]   [2002]   [Jun]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: Question about sched_yield()

    On Tue, 18 Jun 2002 18:45:55 -0400, Stevie O wrote:

    >At 11:00 AM 6/18/2002 -0700, David Schwartz wrote:

    >>This is the same error repeated again. Since you realize that an endless
    >>loop on sched_yield is *not* equivalent to blocking, why do you then say
    >>fact doing useful work"? By what form of ESP is the kernel supposed to
    >>determine that the sched_yield task is not 'doing useful work' and the
    >>task is?

    >By this form of ESP: sched_yield() means "I have nothing better to do right
    >now, give my time to someone who does". If a thread is doing useful work,
    >why would it call sched_yield() ?!?

    To give other threads a chance to do useful work too, perhaps because it
    just released a mutex that other threads might need that it held for an
    unusually long time.


    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2005-03-22 13:26    [W:0.054 / U:0.668 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site