http://bugs.winehq.org/show_bug.cgi?id=9142
--- Comment #16 from Peter Dons Tychsen donpedro@tdcadsl.dk 2009-10-16 20:09:58 --- I think removing O_NONBLOCK might be a bit drastic. Maybe it should be applied after the file has been opened with fcntl().
That would fix the problem with the failing open() and still keep the O_NONBLOCK flag.