>>> It looks like macOS doesn't have pthread barriers (via cfbot 2021, now
>>> with more operating systems):
>>
>> Indeed:-(
>>
>> I'll look into that.
>
> Just for fun, the attached 0002 patch is a quick prototype of a
> replacement for that stuff that seems to work OK on a Mac here. (I'm
> not sure if the Windows part makes sense or works.)
Thanks! That will definitely help because I do not have a Mac. I'll do
some cleanup.
--
Fabien.