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

Daniel Stodden
Wed, 19 Mar 2008 04:09:10 -0000

On Wed, 2008-03-19 at 11:48 +0800, tgh wrote:
> hi
> i try to modify code of xc_domain_save.c
> and there is error, comes out from ERROR("Error when writing to state
> file (5)" " (errno %d)", errno);
> i am confused about where is the errno defined ,and what does variable
> num mean? say errno=104 or errno=26 or some else

Error numbers are a C library feature. If you''re running Linux, check
whether you have installed the base development manual pages and try
''man errno''. Or see a good book on C programming.

good luck,
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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