http://bugs.winehq.org/show_bug.cgi?id=31882
--- Comment #56 from Ken Thomases ken@codeweavers.com 2012-10-28 15:20:33 CDT --- (In reply to comment #54)
It seems the Wine bug is that it needs to protect the libraries it uses -- at least libX11/libxcb -- from that sort of abrupt termination, I guess using signal handlers.
Um, I meant "signal masks" there, not "handlers".