From nobody@FreeBSD.org Tue Mar 27 02:29:07 2001 Return-Path: Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by hub.freebsd.org (Postfix) with ESMTP id A791237B718 for ; Tue, 27 Mar 2001 02:29:05 -0800 (PST) (envelope-from nobody@FreeBSD.org) Received: (from nobody@localhost) by freefall.freebsd.org (8.11.1/8.11.1) id f2R9cfv68817; Tue, 27 Mar 2001 01:38:41 -0800 (PST) (envelope-from nobody) Message-Id: <200103270938.f2R9cfv68817@freefall.freebsd.org> Date: Tue, 27 Mar 2001 01:38:41 -0800 (PST) From: csn@163.net To: freebsd-gnats-submit@FreeBSD.org Subject: The FIFO file is not good!! X-Send-Pr-Version: www-1.0 >Number: 26141 >Category: bin >Synopsis: The FIFO file is not good!! >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: closed >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Mar 27 02:30:03 PST 2001 >Closed-Date: Fri May 25 03:20:05 PDT 2001 >Last-Modified: Fri May 25 03:20:33 PDT 2001 >Originator: csn >Release: 4.2REASE >Organization: china >Environment: FreeBSD server 4.2-RELEASE FreeBSD 4.2-RELEASE #0: Mon Nov 20 13:02:56 >Description: The file make by 'mkfifo' is not good. The FIFO file in redhat linux 6.1 is very good. you can see it on linux. >How-To-Repeat: I use command 'mkfifo test'; on console1, I run 'cat test'; on console2, I run 'cat test'; on console3, I run 'tee test'; on console3, I type few line; the result on console1 is different from console2. I think it is not good. --------- if I only run 'echo abc > test'; The command is not exit immediately. >Fix: I do not know how to fix. >Release-Note: >Audit-Trail: From: David Malone To: csn@163.net Cc: freebsd-gnats-submit@FreeBSD.org Subject: Re: bin/26141: The FIFO file is not good!! Date: Tue, 27 Mar 2001 12:09:32 +0100 On Tue, Mar 27, 2001 at 01:38:41AM -0800, csn@163.net wrote: > >How-To-Repeat: > I use command 'mkfifo test'; > on console1, I run 'cat test'; > on console2, I run 'cat test'; > on console3, I run 'tee test'; > on console3, I type few line; > > the result on console1 is different from console2. > > I think it is not good. The output on console1 and console2 should be different. Only one of the cat programs should output each line. This is what I see on FreeBSD-4.2-STABLE, Redhat 7.0 and Redhat 6.2. > if I only run 'echo abc > test'; > The command is not exit immediately. I see the same effect eith echo as I do with tee. David. State-Changed-From-To: open->analyzed State-Changed-By: kris State-Changed-When: Sat May 5 22:41:50 PDT 2001 State-Changed-Why: This appears not to be a problem. Do you have anything further to add on this matter? http://www.FreeBSD.org/cgi/query-pr.cgi?pr=26141 State-Changed-From-To: analyzed->closed State-Changed-By: kris State-Changed-When: Fri May 25 03:20:05 PDT 2001 State-Changed-Why: PR was determined to not be a bug http://www.FreeBSD.org/cgi/query-pr.cgi?pr=26141 >Unformatted: