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xen-devel
Re: [Xen-devel] do_domctl and EAGAIN
Only DOMCTL_destroydomain returns EAGAIN. No domctl returns EINTR.
-- Keir
On 07/04/2009 08:04, "Juergen Gross" <juergen.gross@xxxxxxxxxxxxxx> wrote:
> Hi,
>
> certain domctl hypercalls (and possibly others as well) might fail with errno
> EAGAIN. This case seems to be tested only in very few places, e.g. in
> xc_domain_destroy.
>
> Is there any reason why this case isn't handled in do_domctl?
> Shouldn't EINTR be handled as well?
>
> The other solution would be to have two versions of do_domctl, one of them
> looping in case of EAGAIN or EINTR.
>
> I suspect this lack of errno-testing could lead to very sporadic failures...
>
>
> Juergen
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