| From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | matti(at)algonet(dot)se (Mattias Kregert) |
| Cc: | scrappy(at)hub(dot)org, dz(at)cs(dot)unitn(dot)it, hackers(at)postgreSQL(dot)org |
| Subject: | Re: sched_yield() |
| Date: | 1998-03-22 04:01:12 |
| Message-ID: | 199803220401.XAA02645@candle.pha.pa.us |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
> 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.
Gee, I just checked and BSDI has it. However, it appears to work only
on threaded applications:
#include <pthread.h>
...
If other threads are ready to run, the sched_yield() function forces the
current thread to suspend itself temporarily and let them execute.
--
Bruce Momjian | 830 Blythe Avenue
maillist(at)candle(dot)pha(dot)pa(dot)us | Drexel Hill, Pennsylvania 19026
+ If your life is a hard drive, | (610) 353-9879(w)
+ Christ can be your backup. | (610) 853-3000(h)
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