Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754730AbZGBKkm (ORCPT ); Thu, 2 Jul 2009 06:40:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750981AbZGBKkf (ORCPT ); Thu, 2 Jul 2009 06:40:35 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:51678 "EHLO www.etchedpixels.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750881AbZGBKkf (ORCPT ); Thu, 2 Jul 2009 06:40:35 -0400 Date: Thu, 2 Jul 2009 11:42:07 +0100 From: Alan Cox To: Changli Gao Cc: Amerigo Wang , Linus Torvalds , Linux Kernel Mailing List Subject: Re: PROPOSAL: extend pipe() to support NULL argument. Message-ID: <20090702114207.58724071@lxorguk.ukuu.org.uk> In-Reply-To: <412e6f7f0907020218m1f4a9651l2c682a9905925bcd@mail.gmail.com> References: <412e6f7f0907020036y76abbc7du99c7b695f725be4@mail.gmail.com> <20090702091309.GB6372@cr0.nay.redhat.com> <412e6f7f0907020218m1f4a9651l2c682a9905925bcd@mail.gmail.com> X-Mailer: Claws Mail 3.7.0 (GTK+ 2.14.7; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 675 Lines: 17 On Thu, 2 Jul 2009 17:18:49 +0800 Changli Gao wrote: > On Thu, Jul 2, 2009 at 5:13 PM, Amerigo Wang wrote: > > On Thu, Jul 02, 2009 at 03:36:41PM +0800, Changli Gao wrote: > > > > Why? Why do you need this feature? > > > Are you familiar with splice() and tee()? They both use pipes as kernel buffers. And are being used quite happily with the pipe() call. So what is the problem ? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/