On 01/27/2017 08:48 PM, Stefano Stabellini wrote:
On Fri, 27 Jan 2017, Oleksandr Andrushchenko wrote:
Hi, Stefano!
#### Error numbers
The numbers corresponding to the error names specified by POSIX are:
[EPERM] -1
[ENOENT] -2
Don't you want to use Xen's errno.h here as described in [1]?
So we have error codes consistent for all PV protocols?
Thanks,
Oleksandr
[1] https://marc.info/?l=xen-devel&m=148545604312317&w=2
Hi Oleksandr,
PVCalls is a bit different, because the protocol is meant to send POSIX
calls to the backend, therefore, I have to use POSIX error names in the
protocol.
I could assign any numbers to the names though. It makes sense to use
the Xen/Linux error numbers for simplicity. Whether I declare them
directly as numbers as I have done here, or indirectly as XEN_ERRNO, I
don't think it matters much. But I think that using numbers is clearer,
that's why I did it that way.
got it, thanks
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