linux-kernel - Re: PROPOSAL: extend pipe() to support NULL argument.

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Message-ID: <20090702114207.58724071@lxorguk.ukuu.org.uk>
Date:	Thu, 2 Jul 2009 11:42:07 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Changli Gao <xiaosuo@...il.com>
Cc:	Amerigo Wang <xiyou.wangcong@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: PROPOSAL: extend pipe() to support NULL argument.

On Thu, 2 Jul 2009 17:18:49 +0800
Changli Gao <xiaosuo@...il.com> wrote:

> On Thu, Jul 2, 2009 at 5:13 PM, Amerigo Wang<xiyou.wangcong@...il.com> 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 ?
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