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xen-devel
Re: [Xen-devel] do_domctl and EAGAIN
On 07/04/2009 08:41, "Juergen Gross" <juergen.gross@xxxxxxxxxxxxxx> wrote:
> Keir Fraser wrote:
>> Only DOMCTL_destroydomain returns EAGAIN. No domctl returns EINTR.
>
> do_domctl uses ioctl.
> ioctl can return EINTR if a signal is caught.
Our privcmd hypercall ioctl() is non-blocking and hence I don't think can
return EINTR. In fact ioctl() is used in loads of places throughout our
toolstack and in qemu, and I don't think EINTR is checked by any caller, nor
is EINTR mentioned in the ioctl man page.
-- Keir
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