Re: [Xen-devel] how does variable num define for errno in libxc

Daniel Stodden
Wed, 19 Mar 2008 11:11:55 -0000

On Wed, 2008-03-19 at 16:06 +0800, tgh wrote:
> Thank you
>  and man errno ,there is no match or map between num,say 104 and
> consist ,say EBADMSG,  or maybe some book more helpful

find /usr/include -name errno.h | xargs grep 104

>  another question
>  i am confused about how to use shadow mechanism ,that is, when live
> migration, after shutdown VM,and XEN_DOMCTL_SHADOW_OP_CLEAN, how to make VM
>
>  remain in shadow mode XEN_DOMCTL_SHADOW_OP_ENABLE_LOGDIRTY?  i have
> modified the code to try to make it as follows
>             if ( !(xc_shadow_control(xc_handle, dom,
> XEN_DOMCTL_SHADOW_OP_OFF,
>                                      NULL, 0, NULL, 0, NULL) >= 0
&&
>                    xc_shadow_control(xc_handle, dom,
>                                      XEN_DOMCTL_SHADOW_OP_ENABLE_LOGDIRTY,
>                                      NULL, 0, NULL, 0, NULL) >= 0) )
>
> but it seems not to  work , and how to do it ,or  any help

Didn''t look at this code for a while. no immediate idea, sorry.

regards,
Daniel

--
Daniel Stodden
LRR     -      Lehrstuhl für Rechnertechnik und Rechnerorganisation
Institut für Informatik der TU München             D-85748 Garching
http://www.lrr.in.tum.de/~stodden         mailto:stodden@cs.tum.edu
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