From: Amerigo Wang <xiyou.wangcong@gmail.com>
To: Changli Gao <xiaosuo@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: PROPOSAL: extend pipe() to support NULL argument.
Date: Thu, 2 Jul 2009 17:13:09 +0800 [thread overview]
Message-ID: <20090702091309.GB6372@cr0.nay.redhat.com> (raw)
In-Reply-To: <412e6f7f0907020036y76abbc7du99c7b695f725be4@mail.gmail.com>
On Thu, Jul 02, 2009 at 03:36:41PM +0800, Changli Gao wrote:
>Linux also uses pipes as references of kernel buffers. In that case,
>only one RW file descriptor will be enough, instead of inventing a new
>system call, I think extending the existing pipe() is a better idea.
>If pipe is passed with a NULL pointer, one RW file descriptor is
>returned. I have checkd the other architectures except of x86, it
>seems that not all of the platforms implement this system call with
>the prototype: int pipe(int fd[2]); and changing glibc is needed. Is
>it possible to extend pipe() in this way?
>
Why? Why do you need this feature?
next prev parent reply other threads:[~2009-07-02 9:11 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-02 7:36 Changli Gao
2009-07-02 9:13 ` Amerigo Wang [this message]
2009-07-02 9:18 ` Changli Gao
2009-07-02 9:46 ` Amerigo Wang
2009-07-02 10:04 ` Changli Gao
2009-07-02 10:21 ` Amerigo Wang
2009-07-03 0:43 ` Changli Gao
2009-07-03 1:55 ` Amerigo Wang
2009-07-03 2:10 ` Changli Gao
2009-07-03 3:00 ` Amerigo Wang
2009-07-03 4:08 ` Changli Gao
2009-07-03 5:19 ` Amerigo Wang
2009-07-03 5:42 ` Changli Gao
2009-07-03 7:15 ` Amerigo Wang
2009-07-03 7:40 ` Changli Gao
2009-07-03 8:16 ` Amerigo Wang
2009-07-03 8:27 ` Changli Gao
2009-07-03 9:42 ` Amerigo Wang
2009-07-03 9:59 ` Changli Gao
2009-07-03 10:23 ` Amerigo Wang
2009-07-03 10:28 ` Albert ARIBAUD
2009-07-06 1:12 ` Changli Gao
2009-07-06 6:15 ` Albert ARIBAUD
2009-07-06 6:23 ` Changli Gao
2009-07-06 6:30 ` Albert ARIBAUD
2009-07-07 4:43 ` Denys Vlasenko
2009-07-07 7:45 ` Changli Gao
2009-07-07 20:37 ` David Newall
2009-07-07 21:02 ` Zan Lynx
2009-07-08 4:41 ` Changli Gao
2009-07-08 4:43 ` David Newall
2009-07-02 10:42 ` Alan Cox
2009-07-03 0:45 ` Changli Gao
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