Backport of pthread fixes from 5.x to 6.0.

[David Xu]

Daniel Eischen wrote:

> On Tue, 1 Feb 2005, Petri Helenius wrote:
> 
> 
>>John Baldwin wrote:
>>
>>
>>>I'd like to backport most of the thread fixes for libpthread from 6.0 to
>>>RELENG_5 before 5.4.  I've been testing this patch locally and just wanted to
>>>make sure backporting it was ok with the folks on this list.  Patch is at
>>>http://www.FreeBSD.org/~jhb/patches/pthread_5.patch
>>>
>>>
>>>
>>
>>I browsed trough the patch and couldn't locate the new mutex operations
>>in there. Are they somewhere in the pipeline and could you combine them
>>into your patch?
> 
> 
> They aren't (in userland) even in -current; they exist in perforce
> in a forked branch of libpthread.  You'll have to wait for that
> because it doesn't yet support all of the stuff that libpthread does.
> 
I am slowing working on this, but if anyone has interest to work on
this, let me know, mostly I want to support PRIORITY pthread mutex
in umtx code and other realtime options.

David