pthread_mutex_timedlock on sparc64

[Daniel Eischen]

On Wed, 19 Apr 2006, Kris Kennaway wrote:

> On Wed, Apr 19, 2006 at 03:32:18PM +1000, Sean Winn wrote:
>> Kris Kennaway wrote:
>>> On Tue, Apr 18, 2006 at 07:28:00PM +1000, Sean Winn wrote:
>>>> owner-freebsd-sparc64 at freebsd.org wrote:
>>>>>
>>>>> libthr *is* the thread library on sparc64; as Daniel says,
>>>>> libpthread is not ported to sparc64.
>>>>>
>>>>> Kris
>>>>
>>>> Not yet in 6.x
>>>>
>>>> 19:25 Tue 18-Apr sean at bloody [~] uname -msr
>>>> FreeBSD 6.1-RC1 sparc64
>>>> 19:25 Tue 18-Apr sean at bloody [~] ls -l /usr/lib/libpthread.so
>>>> lrwxrwxrwx  1 root  wheel  9 Apr 17 04:05 /usr/lib/libpthread.so ->
>>>> libc_r.so
>>>
>>> Oops, I forgot about that..although so did David when he removed
>>> libc_r from 7.0 and broke sparc :-)
>>>
>>> So I guess this is a libc_r missing feature.  Probably the solution is
>>> to use libthr on 6.x too (I don't know if it works well enough on
>>> 5.x).  libthr causes witness panics under load on sparc64 though.
>>>
>>> Kris
>>
>> Would threading problems be related to sparc64/73413? I've noticed it
>> sitting idle for a long while, and the test case still core dumps. The
>> PR it references (sparc64/72998) also is open.
>
> Huh, turns out libpthread does exist on sparc, it's just called
> libkse.  Anyway, since it's not in use the PR wasn't relevant.

Yeah, I implemented as much as I could for it, but it doesn't
work.  So it's installed as libkse as a prod for someone to
finish and test it.

-- 
DE