ucLibc Futex(PTHREAD_PRIO_INHERIT) support for RT kernel

Chris Metcalf cmetcalf at tilera.com
Tue Jul 28 22:29:51 UTC 2009


On 7/19/2009 6:39 AM, shamiali2008 wrote:
> The issue here is as per RT WIki, the ucLibc library is not fully complaint
> with RT patch as it lacks futex support- PI-Futex(Priority Inheritance:
> PTHREAD_PRIO_INHERIT ).
>
> http://rt.wiki.kernel.org/index.php/HOWTO:_Build_an_RT-application
>
> Please let me know, if anybody has a solution for this? Or is there any
> patch available to ucLibc to include this support?
>   

We have done PI+Robust futex support in the Tilera uClibc (based off
Carmelo's NPTL branch as of last fall sometime, I think).  We'll be
trying to schedule time this year to push the (many) changes we've made
back up to at least the NPTL branch.

-- 
Chris Metcalf, Tilera Corp.
http://www.tilera.com




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