From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Daniel P. Berrange" Subject: Re: Error reporting capabilities for libxc Date: Tue, 26 Sep 2006 14:20:35 +0100 Message-ID: <20060926132035.GB8885@redhat.com> References: <3AAA99889D105740BE010EB6D5A5A3B202A3B1@paddington.ad.cl.cam.ac.uk> Reply-To: "Daniel P. Berrange" Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <3AAA99889D105740BE010EB6D5A5A3B202A3B1@paddington.ad.cl.cam.ac.uk> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Ian Pratt Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Tue, Sep 26, 2006 at 01:58:11PM +0100, Ian Pratt wrote: > > On 26/9/06 12:45, "Stephen C. Tweedie" wrote: > > > > >> So, I've prototyped a simple error reporting mechanism for > > libxc. The > > >> idea is we first define an enum for the broad classes of > > errors which can occur. > > > ... > > > > > >> Any way, the upshot of all this work: > > >> # xm create error > > >> Using config file "error". > > >> Error: [2, 'Kernel ELF architecture 3 does not match Xen > > >> architecture 62'] > > > > > > IMHO this is sorely needed. Any comments from XenSource people? > > > > I'd agree something like this is necessary in the 3.0.4 > > timeframe. I'll let one of the guys more acquainted with xend > > comment in detail. There's also the question of how this will > > integrate with the proposed 'XenAPI'. > > Yep, definitely needs to happen. However, I think we should at least > discuss alternative potentially less clunky implementation methods. > Perhaps we should use a thread local errno and error string variables? Yes using thread locals instead of static vars is a good idea & should be easy to implement behind the scenes. Dan. -- |=- Red Hat, Engineering, Emerging Technologies, Boston. +1 978 392 2496 -=| |=- Perl modules: http://search.cpan.org/~danberr/ -=| |=- Projects: http://freshmeat.net/~danielpb/ -=| |=- GnuPG: 7D3B9505 F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 -=|