[PATCH] Cygwin: fhandler_socket::open: set errno according to POSIX

[Ken Brown]

On 12/24/2019 2:27 PM, Ken Brown wrote:
> Set errno to EOPNOTSUPP instead of ENXIO when 'open' is called on a
> socket.  This is consistent with POSIX, starting with the 2016
> edition.  Earlier editions were silent on this issue.

Please ignore this patch.  A more comprehensive patch is coming soon.

Ken