lkml.org 
[lkml]   [2002]   [Jun]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Question about sched_yield()
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 "in
>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 other
>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() ?!?


--
Stevie-O

Real programmers use COPY CON PROGRAM.EXE

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:26    [from the cache]
©2003-2011 Jasper Spaans. Advertise on this site