Re: pthread_mutex_unlock (was Re: sched_yield() makes OpenLDAP slow)

[Nick Piggin <nickpiggin@yahoo.com.au>]

linux-os (Dick Johnson) wrote:
> To fix the current problem, you can substitute usleep(0); It will
> give the CPU to somebody if it's computable, then give it back to
> you. It seems to work in every case that sched_yield() has
> mucked up (perhaps 20 to 30 here).
That sounds like a terrible hack.

What cases has sched_yield mucked up for you, and why do you
think the problem is sched_yield mucking up? Can you solve it
using mutexes?

Thanks,
Nick

--
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com 
-
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/