Thread

Re: [HACKERS] Re: sched_yield()

Andrew Martin <martin@biochemistry.ucl.ac.uk> — 1998-03-23T10:23:32Z

> But sched_yield() is not Linux-specific:
> -- The sched_yield() function relinquishes the processor for the
> -- running process.
> -- IEEE Std 1003.1b-1993, '13.3.5. (POSIX real-time standard 1003.lb)
> 
> Except from Linux, I can find references to sched_yield() in LynxOS,
> DECthreads thread library, AIX 4.1 and up (libc), Solaris (thread.h
> (c)1994 Sun
> Microsystems), Unix98, GNU, C EXECUTIVE(r) and PSX(tm) real time kernels
> ...
> This is just a quick search.
> 
> Perhaps we should enable sched_yield() for every OS except for... well,
> what's the
> name of that OS which does not have sched_yield()...  FreeBSD ;)
> 
> After all, sched_yield() is five years old. Any reasonable OS should
> have it.

It appears from man pages on our Irix system that Irix6 has it but Irix5
does not.

Andrew

----------------------------------------------------------------------------
Dr. Andrew C.R. Martin                             University College London
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