From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 26997 invoked by alias); 13 May 2014 17:36:23 -0000 Mailing-List: contact cygwin-talk-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: cygwin-talk-owner@cygwin.com Reply-To: The Vulgar and Unprofessional Cygwin-Talk List Mail-Followup-To: cygwin-talk@cygwin.com Received: (qmail 26979 invoked by uid 89); 13 May 2014 17:36:21 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-6.0 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.2 X-HELO: mho-01-ewr.mailhop.org Received: from mho-03-ewr.mailhop.org (HELO mho-01-ewr.mailhop.org) (204.13.248.66) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-SHA encrypted) ESMTPS; Tue, 13 May 2014 17:36:20 +0000 Received: from pool-98-110-183-166.bstnma.fios.verizon.net ([98.110.183.166] helo=cgf.cx) by mho-01-ewr.mailhop.org with esmtpa (Exim 4.72) (envelope-from ) id 1WkGck-000Nk9-FU for cygwin-talk@cygwin.com; Tue, 13 May 2014 17:36:18 +0000 Received: from ednor (ednor.casa.cgf.cx [192.168.187.5]) by cgf.cx (Postfix) with SMTP id 3A5BD600D0 for ; Tue, 13 May 2014 13:36:17 -0400 (EDT) Received: by ednor (sSMTP sendmail emulation); Tue, 13 May 2014 13:36:17 -0400 X-Mail-Handler: Dyn Standard SMTP by Dyn X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX1+GtgnQl1PI9Xxa5RFGnuAd Date: Tue, 13 May 2014 17:36:00 -0000 From: Christopher Faylor To: cygwin-talk@cygwin.com Subject: Re: bind to multicast address fails Message-ID: <20140513173617.GB5962@ednor.casa.cgf.cx> Reply-To: cygwin-talk@cygwin.com Mail-Followup-To: cygwin-talk@cygwin.com References: <53722A02.5070201@web.de> <20140513145517.GS2436@calimero.vinschen.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140513145517.GS2436@calimero.vinschen.de> User-Agent: Mutt/1.5.20 (2009-06-14) X-SW-Source: 2014-q2/txt/msg00010.txt.bz2 On Tue, May 13, 2014 at 04:55:17PM +0200, Corinna Vinschen wrote: >On May 13 16:19, Moritz Warning wrote: >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA256 >> >> Hi, >> >> I try to bind a socket to a multicast address (239.192.202.5). But it fails with an error: >> "Cannot assign requested address" >> >> Is this not supported using Cygwin? I've added a simple test program in case someone wants >> to verify. > >It's a problem win the underlying Winsock (again). Maybe this discussion >on stackoverflow helps you along: > >http://stackoverflow.com/questions/6140734/cannot-bind-to-multicast-address-windows > >Right now I have no inclination to workaround this problem in Cygwin. >Maybe if you ping me again in a month or so. Of course, patches are >always welcome... I think that the current consensus is that everyone is tired about excuses like "no inclination" or "no time" or "vacation" or "death in the family" or "newborn baby". Frankly, I think if there is an issue you should be fixing it. This issue has clearly been in the code for a long time and, although it probably doesn't work on MSYS2, that should be no excuse for not fixing it in Cygwin. cgf