http://bugs.winehq.org/show_bug.cgi?id=26031
--- Comment #58 from Artem S. Tashkinov t.artem@mailcity.com 2013-08-27 03:33:10 CDT --- (In reply to comment #57)
Enabling SO_REUSEADDR by default means you'd allow another socket to bind even when Windows doesn't.
Can you please find a piece of documentation which proves your words? Because I don't have this information and I believe you are not correct.