Re: Robust shared mutexes?

[Khem Raj <raj.khem@gmail.com>]

> On Nov 26, 2016, at 2:56 PM, Rich Felker <dalias@libc.org> wrote:
> 
> On Sat, Nov 26, 2016 at 11:51:05PM +0100, Sebastian Kemper wrote:
>> On Sat, Nov 26, 2016 at 05:24:43PM -0500, Rich Felker wrote:
>>> On Sat, Nov 26, 2016 at 10:49:44PM +0100, Sebastian Kemper wrote:
>>>> Hello all,
>>>> 
>>>> I'm cross-compiling for OpenWRT/LEDE and have this variable
>>>> apr_cv_mutex_robust_shared. Should I set it to yes or no with musl? I've
>>>> searched around but found conflicting infos. One post said there's no
>>>> shared mutex support in musl
>>> 
>>> Do you have a link for that? If there's incorrect information I'd like
>>> to reply and see if it can be corrected.
>> 
>> Hello Rich,
>> 
>> Thank you very much for the reply!
>> 
>> I looked for the link and it turns out it was an error on my part. The
>> post wasn't referring to robust shared mutexes. It was regarding process
>> shared mutexes
>> 
>> http://lists.openembedded.org/pipermail/openembedded-core/2016-March/119214.html
>> 
>> It says musl doesn't have process shared mutexes so one should set
>> apr_cv_process_shared_works=no. I take it that is correct?
> 
> No, it's incorrect and I have no idea where that idea came from. I'll
> ask Khem.
> 

IIRC it was not musl but papering over apr specific issue. I never got time to really dig in
to root cause it.