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To: "Randy.Dunlap" <rdunlap@xenotime.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: about __ARCH_WANT_SYS_GETHOSTNAME
References: <Pine.LNX.4.58.0603310911260.6105@shark.he.net>
From: ebiederm@xmission.com (Eric W. Biederman)
Date: Sat, 01 Apr 2006 11:53:26 -0700
In-Reply-To: <Pine.LNX.4.58.0603310911260.6105@shark.he.net> (Randy Dunlap's
 message of "Fri, 31 Mar 2006 09:21:43 -0800 (PST)")
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"Randy.Dunlap" <rdunlap@xenotime.net> writes:

> Hi,
>
> What was/is the purpose of __ARCH_WANT_SYS_GETHOSTNAME?
> and why do a few arches not #define it?
>
> If it is not #defined, should those arches supply their own
> sys_gethostname() function?
>
> 21 arches #define __ARCH_WANT_SYS_GETHOSTNAME.
> A few don't:  frv, ia64, & xtensa.
> But all arches (except for um) #define __NR_gethostname.
>
> Is __ARCH_WANT_SYS_GETHOSTNAME just crufty and doesn't matter
> any more?

I know you can implement it by simply calling uname.
Beyond that I am puzzled.

Eric