Niall Douglas writes

> * Works reliably on Microsoft Windows (hard), Linux (slightly
> easier), BSD and OS X (easiest by far of the lot).
>

I believe you.  Having considered some of your previous
comments in a different thread, on kqueue, I ported my
code generator from Linux to BSD.  I only found relief
from a problem I was having by doing so. 


> Paul Kirth presented on this at C++ Now 2014. It is a surprisingly
> tough engineering problem, and requires a design approaching ideal
> for it to work at all.