From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.devel Subject: open-network-stream-nowait is IPv6 unfriendly Date: Fri, 29 Oct 2004 15:32:40 +0200 Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Message-ID: NNTP-Posting-Host: deer.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: sea.gmane.org 1099056786 23069 80.91.229.6 (29 Oct 2004 13:33:06 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Fri, 29 Oct 2004 13:33:06 +0000 (UTC) Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Oct 29 15:32:58 2004 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by deer.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 1CNWsE-0001Qy-00 for ; Fri, 29 Oct 2004 15:32:58 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.33) id 1CNX04-0002Ty-3n for ged-emacs-devel@m.gmane.org; Fri, 29 Oct 2004 09:41:04 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.33) id 1CNWzv-0002Tj-Vx for emacs-devel@gnu.org; Fri, 29 Oct 2004 09:40:56 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.33) id 1CNWzv-0002TX-HF for emacs-devel@gnu.org; Fri, 29 Oct 2004 09:40:55 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.33) id 1CNWzv-0002TU-FK for emacs-devel@gnu.org; Fri, 29 Oct 2004 09:40:55 -0400 Original-Received: from [195.135.220.2] (helo=Cantor.suse.de) by monty-python.gnu.org with esmtp (TLSv1:DES-CBC3-SHA:168) (Exim 4.34) id 1CNWrz-0003gJ-Lp for emacs-devel@gnu.org; Fri, 29 Oct 2004 09:32:43 -0400 Original-Received: from hermes.suse.de (hermes-ext.suse.de [195.135.221.8]) (using TLSv1 with cipher EDH-RSA-DES-CBC3-SHA (168/168 bits)) (No client certificate requested) by Cantor.suse.de (Postfix) with ESMTP id D799DDEEFD1 for ; Fri, 29 Oct 2004 15:32:41 +0200 (CEST) Original-To: emacs-devel@gnu.org X-Yow: ..I must be a VETERINARIAN.. User-Agent: Gnus/5.110002 (No Gnus v0.2) Emacs/21.3.50 (gnu/linux) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: main.gmane.org gmane.emacs.devel:29144 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:29144 Normally you are supposed to fall back to IPv4 when an IPv6 connection fails. But there is no way to do that if you use open-network-stream-nowait: connect will just return EINPROGRESS, and the actual connect failure which would otherwise cause make-network-process t= o try the next address returned by getaddrinfo is reported as a genuine error to the process sentinel. Andreas. --=20 Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux AG, Maxfeldstra=DFe 5, 90409 N=FCrnberg, Germany Key fingerprint =3D 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."