[Bug libc/27645] [linux] sysconf(_SC_NPROCESSOR...) breaks down on containers

[crrodriguez at opensuse dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27645

--- Comment #13 from Cristian Rodríguez <crrodriguez at opensuse dot org> ---
(In reply to Nicolas Saenz Julienne from comment #12)
> Why can't the process use sched_getaffinity() directly?

Yes, it can..the idea was not having to update possible hundreds of packages to
work as expected in a container enviroment..  examples that come to min are all
the parallel de/compression tools like pigz. when ran in a container with cpu
count limit does not start up to 8 threads when the enviroment says it can use
2 CPU..and so on..  

I googled quite a bit before posting this request and didn't found anywhere
that _SC_NPROCESSORS_ONLN was explictly specified as system-wide..

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