Re: [Xen-devel] errno i xs_wire.h

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 8 Nov 2005, at 21:59, Everhart, Craig wrote:

> Yes, trusting that different OS's will map errno names to the same
> integers is asking for trouble.  Doing it right means translating
> the values between domains.  Harry had it right with "local" and
> "wire" error values, translating between them.
>
> There's overlap in the mappings, particularly for some of the
> smallest error values, but it's best not to be seduced by
> the overlap into assuming it continues.
We already have the distinction. We use text strings on the wire which 
are converted to/from local errno numbers at either end.
 -- Keir


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