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

To: tgh <wwwwww4187@xxxxxxxxxxx>
Subject: Re: [Xen-devel] how does variable num define for errno in libxc
From: Daniel Stodden <stodden@xxxxxxxxxx>
Date: Wed, 19 Mar 2008 12:11:55 +0100
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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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@xxxxxxxxxx
PGP Fingerprint: F5A4 1575 4C56 E26A 0B33  3D80 457E 82AE B0D8 735B



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