[dpdk-dev] [RFC v2] eal: simplify the implementation of rte_ctrl_thread_create

[Honnappa Nagarahalli]

<snip>
> 
> On Tue, 24 Aug 2021 20:03:03 +0000
> Honnappa Nagarahalli <Honnappa.Nagarahalli at arm.com> wrote:
> 
> > > One difference between this implementation and the previous one is
> > > this busy loop. rte_pause() relaxes the cpu, but will not make the
> > > calling thread to sleep and wait for the sync event. So here we can
> > > spin a quite long time until the other thread is scheduled by the OS.
> > Yes, this is a difference. We could add a microsleep to allow for the OS to un-
> schedule the current thread.
> 
> Why not use sched_yield() here?
This means, it is not portable to Windows. The function needs to be moved to OS specific files. Are there any guidelines on creating OS specific functions? Can I create in this case?