linux-kernel - Re: [RFC][v8][PATCH 9/10]: Define clone3() syscall

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Date:	Thu, 22 Oct 2009 20:38:51 +0900
From:	"H. Peter Anvin" <hpa@...or.com>
To:	mtk.manpages@...il.com
CC:	Matt Helsley <matthltc@...ibm.com>,
	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
	randy.dunlap@...cle.com, arnd@...db.de,
	Containers <containers@...ts.linux-foundation.org>,
	Nathan Lynch <nathanl@...tin.ibm.com>,
	linux-kernel@...r.kernel.org, Louis.Rilling@...labs.com,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	kosaki.motohiro@...fujitsu.com, mingo@...e.hu,
	linux-api@...r.kernel.org, torvalds@...ux-foundation.org,
	Alexey Dobriyan <adobriyan@...il.com>, roland@...hat.com,
	Pavel Emelyanov <xemul@...nvz.org>
Subject: Re: [RFC][v8][PATCH 9/10]: Define clone3() syscall

On 10/22/2009 07:26 PM, Michael Kerrisk wrote:
>>
>> "3" is number of arguments.
>
> sys_clone3(struct clone_struct __user *ucs, pid_t __user *pids)
>
> It appears to me that the number of arguments is 2.
>

It was 3 at one point... I'm not sure when that changed last :-/

>> It's better than "extended" or something like
>> that simply because "extended" just means "more than", and a number at least
>> tells you *how much more than*.
>
> I'm not sure why you think including a number in the name tells us
> "how much more than". Unless you are considering the numbering to be
> version numbers, which apparently is not what you mean.

It is a version number of sorts.

	-hpa
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