Re: sched_yield()

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От Bruce Momjian
Тема Re: sched_yield()
Дата
Msg-id 199803220401.XAA02645@candle.pha.pa.us
обсуждение исходный текст
Ответ на Re: sched_yield()  (Mattias Kregert <matti@algonet.se>)
Список 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.



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