X-Recipient: archive-cygwin@delorie.com X-SWARE-Spam-Status: No, hits=1.9 required=5.0 tests=AWL,BAYES_40,FREEMAIL_FROM,KAM_THEBAT,KHOP_THREADED,SPF_SOFTFAIL X-Spam-Check-By: sourceware.org Date: Fri, 11 May 2012 12:56:43 +0400 From: Andrey Repin Reply-To: Andrey Repin Message-ID: <1527266445.20120511125643@mtu-net.ru> To: Corinna Vinschen Subject: Re: Cygwin passes through null writes to other software when redirecting standard input/output (i.e. piping) In-Reply-To: <20120510183833.GC13090@calimero.vinschen.de> References: <20120427143753.GO25385@calimero.vinschen.de> <025501cd24c6$6a353990$3e9facb0$@motionview3d.com> <4F9B38FB.9030607@dancol.org> <20120428052727.GA23749@ednor.casa.cgf.cx> <4F9BD262.2000403@dancol.org> <4FAABEAE.7000309@tlinx.org> <053b01cd2e18$f3f9ce60$dbed6b20$@motionview3d.com> <20120509201147.GD22015@ednor.casa.cgf.cx> <054d01cd2ec9$e6f4f5d0$b4dee170$@motionview3d.com> <20120510183833.GC13090@calimero.vinschen.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Greetings, Corinna Vinschen! > That has nothing to do with Cygwin. This is just how the environment is > handled in general. Child processes inherit it from their parent > processes, regardless whether on Windows or Unix. Windows have means of notifying running processes about changes in global environment. It isn't really reliable, though. Only works, when you're editing environment from the GUI, AFAIK. -- WBR, Andrey Repin (anrdaemon@freemail.ru) 11.05.2012, <12:55> Sorry for my terrible english... -- 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