Re: Can a PIPE input be FLUSHED?

Article View: comp.os.linux.development.apps

Article #96

Back to comp.os.linux.development.apps Previous Next

#96

From: H. Peter Anvin
Date: Thu, 06 Aug 1998 00:00

25 lines
1898 bytes

Followup to:  <35C8C4A1.93FCECDC@dvsystems.com>
By author:    Rod Tolosa <rod@dvsystems.com>
In newsgroup: comp.os.linux.development.system
> 
 > I'm reading from a pipe file that I created using mknod -p.
 > 
 > What I'd like to do is when I open up the file or at certain
 > times, be able to FLUSH any input on this pipe.
 > 
 > I checked ioctl calls, socket calls, include files, and the pipe.c
 > source code. I could not find anything.
 > 
 > Does anyone know what command I can use for this?
 >

 open() it with O_NONBLOCK set and keep reading until you get EAGAIN.
 Then the pipe is empty.

	-hpa

-- 
    PGP: 2047/2A960705 BA 03 D3 2C 14 A8 A8 BD  1E DF FE 69 EE 35 BD 74
    See http://www.zytor.com/~hpa/ for web page and full PGP public key
        I am Bah�'� -- ask me about it or see http://www.bahai.org/
   "To love another person is to see the face of God." -- Les Mis�rables

Technical Details

Message-ID: <6qbpi6$ikq$1@palladium.transmeta.com>

Path: arc1-ca.pugleaf.net!unknown!not-for-mail

References: <35C8C4A1.93FCECDC@dvsystems.com>

Show Full Headers

Complete Article Headers

X-Google-Language: ENGLISH,ASCII
X-Google-Thread: f5392,325850ca8fa5fe66
X-Google-Attributes: gidf5392,public
X-Google-Thread: 10c696,325850ca8fa5fe66
X-Google-Attributes: gid10c696,public
X-Google-Thread: 11663c,325850ca8fa5fe66
X-Google-Attributes: gid11663c,public
From: hpa@transmeta.com (H. Peter Anvin)
Subject: Re: Can a PIPE input be FLUSHED?
Date: 1998/08/06
Message-ID: <6qbpi6$ikq$1@palladium.transmeta.com>
X-Deja-AN: 378451787
Content-Transfer-Encoding: 8bit
References: <35C8C4A1.93FCECDC@dvsystems.com>
X-Comment-To: Rod Tolosa <rod@dvsystems.com>
Content-Type: text/plain; charset=ISO-8859-1
Organization: Transmeta Corporation, Santa Clara CA
Copyright: Copyright 1998 H. Peter Anvin - All Rights Reserved
Mime-Version: 1.0
Reply-To: hpa@transmeta.com (H. Peter Anvin)
Newsgroups: comp.os.linux.development.apps,comp.os.linux.development.system,dc.org.linux-users
Disclaimer: Not speaking for Transmeta in any way, shape, or form.

Reply to Parent Message