From: Nobuyoshi Nakada <nobu.nokada@...>
Date: 2002-09-12T16:06:32+09:00
Subject: Re: UDPSocket bug?

Hi,

At Thu, 12 Sep 2002 04:33:54 +0900,
Paul Brannan wrote:
> > >  [BUG] rb_sys_fail() - errno == 0
> > 
> > Hmm, I wonder if Winsock isn't setting errno properly.  If that's the
> > case, then rb_sys_fail() won't be sufficient for socket.c.
> 
> According to http://www.sockets.com/a_c2.htm (and a few other sources),
> meaningful winsock error information cannot be obtained from errno;
> WSAGetLastError() should be used instead.  In this situation,
> rb_sys_fail won't work.

errno should be set in win32/win32.c:rb_w32_recvfrom().

-- 
Nobu Nakada