From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 71494 invoked by alias); 1 Jan 2019 21:11:33 -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 71486 invoked by uid 89); 1 Jan 2019 21:11:32 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=1.6 required=5.0 tests=BAYES_50,KAM_LAZY_DOMAIN_SECURITY,KAM_NUMSUBJECT,RCVD_IN_DNSWL_LOW autolearn=no version=3.3.2 spammy=canada, Canada, disturbing, Brian X-HELO: smtp-out-so.shaw.ca Received: from smtp-out-so.shaw.ca (HELO smtp-out-so.shaw.ca) (64.59.136.138) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 01 Jan 2019 21:11:30 +0000 Received: from [192.168.1.114] ([24.64.172.44]) by shaw.ca with ESMTP id eRJugHBMMnBo4eRJvgbK7u; Tue, 01 Jan 2019 14:11:28 -0700 Reply-To: Brian.Inglis@SystematicSw.ab.ca Subject: Re: Virtual device in Windows 10 To: cygwin@cygwin.com References: <6e11200f-8bb6-0ad6-bb64-52b0a8757354@gmail.com> From: Brian Inglis Openpgp: preference=signencrypt Message-ID: <17da6481-faf1-e8ca-e832-82d22f6ce9c2@SystematicSw.ab.ca> Date: Tue, 01 Jan 2019 21:11:00 -0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <6e11200f-8bb6-0ad6-bb64-52b0a8757354@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-IsSubscribed: yes X-SW-Source: 2019-01/txt/msg00003.txt.bz2 On 2019-01-01 09:01, cyg Simple wrote: > On 1/1/2019 2:18 AM, Gary Graham wrote: >> I downloaded an updated version of the Cygwin tools and tried again.... >> C:\cygwin64\bin>socat -d -d pty,link=/dev/ttyV0,waitslave tcp: >> 192.168.0.11:8023 >> 2019/01/01 01:14:27 socat[10780] N PTY is /dev/pty0 >> 2019/01/01 01:14:27 socat[10780] N opening connection to AF=2 >> 192.168.0.11:8023 >> 2019/01/01 01:14:28 socat[10780] N successfully connected from local >> address AF=2 192.168.0.18:55426 >> 2019/01/01 01:14:28 socat[10780] N starting data transfer loop with FDs >> [5,5] and [6,6] >> 2019/01/01 01:14:28 socat[10780] N read(5, 0x600056500, 8192): Input/output >> error (probably PTY closed) >> 2019/01/01 01:14:28 socat[10780] N socket 1 (fd 5) is at EOF >> 2019/01/01 01:14:28 socat[10780] N socket 1 (fd 5) is at EOF >> 2019/01/01 01:14:28 socat[10780] N socket 2 (fd 6) is at EOF >> 2019/01/01 01:14:28 socat[10780] N exiting with status 0 >> Can you tell why the PTY is closing ? > Both ends of the processes a Cygwin process?  PTY is only available to Cygwin. What is on the other side of the virtual port? You need either a data source/sink or an app. -- Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada This email may be disturbing to some readers as it contains too much technical detail. Reader discretion is advised. -- 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