Re: NPTL mutex and the scheduling priority

Arjan van de Ven
2006-06-12T12:23:36Z

On Mon, 2006-06-12 at 17:10 +0900, Atsushi Nemoto wrote:
> # This is a copy of message posted libc-alpha ML. I want to hear from
> # kernel people too ...
>
> Hi. I found that it seems NPTL's mutex does not follow the scheduling
> parameter. If some threads were blocked by getting a single
> mutex_lock, I expect that a thread with highest priority got the lock
> first, but current NPTL's behaviour is different.
\

you want to use the PI futexes that are in 2.6.17-rc5-mm tree