http://bugs.winehq.org/show_bug.cgi?id=4619
------- Additional Comments From the3dfxdude@gmail.com 2006-06-11 10:57 ------- Somebody retest this on latest git/cvs. There is a possibility that this is fixed now.
"ws2_32: Convert WS_select to use poll() instead of select(). Also fixes an fd leak."
There may be other patches coming too.