Re: [Qemu-devel] Plan for error handling in QMP

[Richard W.M. Jones]

On Thu, Jul 26, 2012 at 01:22:15PM -0500, address@hidden wrote:
> We had a violent^Wheated discussion on IRC about how to move forward
> with Luiz's proposed error series.  I think we reached consensus.  This
> note attempts to outline that.
> 
> Principles
> ----------
> 1. Errors should be free formed strings with a class code
> 
> 2. There should be a small number of class codes (10-15) added
>    strictly when there are specific users of a code.

FWIW this is roughly the same scheme that libguestfs uses to report
errors: string + error code.  It's been quite successful, and IMHO is
much better than the large and ill-defined 'virterror' struct that
libvirt returns.

Rich.

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