Fix GH-10406: feof() behavior change for UNIX based socket resources

This change restores the old behaviour for the server socket streams
that don't support IO. This is now stored in the

Fix GH-10406: feof() behavior change for UNIX based socket resources

This change restores the old behaviour for the server socket streams
that don't support IO. This is now stored in the stream flags so it can
be later used to do some other decisions and possibly introduce some
better error reporting.

Closes GH-10877

show more ...