linux-kernel - Re: [PATCH 2/2] Define ENONAMESERVICE and ENAMEUNKNOWN to indicate name service errors

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Message-ID: <20110308152518.074d0996@lxorguk.ukuu.org.uk>
Date:	Tue, 8 Mar 2011 15:25:18 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	David Howells <dhowells@...hat.com>
Cc:	linux-security-module@...r.kernel.org, keyrings@...ux-nfs.org,
	linux-arch@...r.kernel.org, linux-api@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] Define ENONAMESERVICE and ENAMEUNKNOWN to indicate
 name service errors

On Tue, 08 Mar 2011 15:09:59 +0000
David Howells <dhowells@...hat.com> wrote:

> Alan Cox <alan@...rguk.ukuu.org.uk> wrote:
> 
> > > Define ENONAMESERVICE to indicate "Network name service unavailable".
> > > This can be used to indicate, for example, that an attempt was made by
> > > dns_query() to make a query, but the name server (e.g. a DNS server) it is
> > > supposed to contact didn't answer or that it couldn't determine the
> > > location of a suitable server.
> > 
> > Are these in glibc and are there glibc patches submitted and accepted for
> > this ?
> 
> No.
> 
> Are you saying that I should push them through glibc first - and then submit
> them to the kernel? 

I was wondering if at least there was some co-ordination going on so that
functions like perror() produced sensible answers. Otherwise it's
debatable if its actually an improvement for the poor end user ?
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