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Re: [Xen-devel] errno i xs_wire.h
| To: | "Everhart, Craig" <Craig.Everhart@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] errno i xs_wire.h |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Wed, 9 Nov 2005 12:06:40 +0000 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Wed, 09 Nov 2005 12:01:33 +0000 |
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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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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