msvcrt, open_osfhandle, locking

[Jeff Kunce]

> >Oops - meant "locking function in msvcrt module"
>
> Hmmm. Do you have an example? I can't get it to work.

A while back I wanted file locking with the same API
on both unix and NT. I worked up something based on
posixfile, that uses msvcrt on the NT side. I never used it
production, so handle with care, but it might give you
some ideas. See:
  ntposixfile.py
at:
  http://starship.python.net/crew/jjkunce/

  --Jeff