Re: PI support for semaphores?

[Esben Nielsen <nielsen.esben@googlemail.com>]

On Thu, 13 Jul 2006, Mark Hounschell wrote:

> Does PI support for user land semaphores exist?

Yes.
But please stop call them "semaphores". PI only makes sense for the kind 
of semaphores called "mutexes" (which can be just a basic semaphore).

2.6.18-rc1 and 2.6.17-rt7 (and earlier) have PI futexes.
You still need a patch to glibc. I downloaded it from
 http://people.redhat.com/mingo/PI-futex-patches/

I have tested it and it works fine (except for a small problem with 
pthread_mutex_timedlock(), which shouldn't be a problem for 95% of the 
applications :-)

Esben

> Thanks
> Mark
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