From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25500 invoked by alias); 12 Mar 2019 04:16:56 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 25492 invoked by uid 89); 12 Mar 2019 04:16:55 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-2.9 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=3.3.1 spammy=HX-Languages-Length:1176, H*UA:6.1, H*u:6.1, H*MI:sk:2019031 X-HELO: m0.truegem.net Received: from m0.truegem.net (HELO m0.truegem.net) (69.55.228.47) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 12 Mar 2019 04:16:53 +0000 Received: (from daemon@localhost) by m0.truegem.net (8.12.11/8.12.11) id x2C4Gp3E021010 for ; Mon, 11 Mar 2019 21:16:51 -0700 (PDT) (envelope-from mark@maxrnd.com) Received: from 162-235-43-67.lightspeed.irvnca.sbcglobal.net(162.235.43.67), claiming to be "[192.168.1.100]" via SMTP by m0.truegem.net, id smtpdD0ejP5; Mon Mar 11 20:16:44 2019 Subject: Re: Patch request to qt 5.9.4 (Re: [ANNOUNCEMENT] Qt 5.9.4) To: cygwin@cygwin.com References: <1439412702.1866573.1551653028041.JavaMail.yahoo.ref@mail.yahoo.co.jp> <1439412702.1866573.1551653028041.JavaMail.yahoo@mail.yahoo.co.jp> <0faa5fb55a0af4803fcdff786dba8be440355609.camel@cygwin.com> <2014394607.770377.1552264089735.JavaMail.yahoo@mail.yahoo.co.jp> <72f4ecd86329b97d1c3cc1b796bf9393d02228f0.camel@cygwin.com> <881759885.934635.1552275216926.JavaMail.yahoo@mail.yahoo.co.jp> <30cae96a-7c70-5634-85ce-3fe6b36a7d21@maxrnd.com> <20190311094503.GC3785@calimero.vinschen.de> From: Mark Geisert Message-ID: <391509cb-f59f-7d12-2de0-3b009a116c2d@maxrnd.com> Date: Tue, 12 Mar 2019 04:16:00 -0000 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:49.0) Gecko/20100101 Firefox/49.0 SeaMonkey/2.46 MIME-Version: 1.0 In-Reply-To: <20190311094503.GC3785@calimero.vinschen.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-SW-Source: 2019-03/txt/msg00274.txt.bz2 Corinna Vinschen wrote: > On Mar 11 00:21, Mark Geisert wrote: >> Tatsuro MATSUOKA wrote: >>> [...] >>> without the above patch () >>> qt_safe_socket(PF_UNIX, SOCK_STREAM, 0, O_NONBLOCK))) >>> gnuplot cannot connect with gnuplot_qt. >>> >>> with the above patch () >>> qt_safe_socket(PF_UNIX, SOCK_STREAM, 0)) >>> gnuplot can connect with gnuplot_qt. >>> >>> Perhaps qt with O_NONBLOCK is some wrong with process connection. >> >> Hi Tatsuro, >> For the record, what Enrico supplied is what we'd call an STC, a Simple Test >> Case. Unfortunately his STC dealt with select() on a named pipe. >> >> Your gnuplot issue has to do with "Unix sockets", a form of IPC between >> processes. Cygwin uses Windows named pipes to implement "Unix sockets" on >> Windows. > > No, wait! While there is code in Cygwin which is supposed to use > Windows named pipes to implement AF_UNIX sockets at one point, thos > code is far from being complete. > > As yet, Cygwin uses loopback IPv4 sockets to implement AF_UNIX sockets. Thank you Corinna for the correction. That should make the strace output more understandable :-). ..mark -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple