Re: pgbench - rework variable management

>> Some windows-specific hacks are note tested.
>
> Somehow this macro hackery has upset the Windows socket headers:
>
> https://ci.appveyor.com/project/postgresql-cfbot/postgresql/build/1.0.55019

I noticed, but I do not have any windows host so I cannot test locally.

The issue is how to do a mutex on Windows, which does not have pthread so 
it has to be emulated. I'll try again by sending a blind update to the 
patch and see how it goes.

-- 
Fabien.