Re: [Qemu-commits] [COMMIT 850810d] Improve error reporting on file access

[Anthony Liguori]

malc wrote:
> On Mon, 5 Oct 2009, Anthony Liguori wrote:
>
>   
> > From: Justin M. Forbes <address@hidden>
> >
> > By making the error reporting include strerror(errno), it gives the user
> > a bit more indication as to why qemu failed.  This is particularly
> > important for people running qemu as a non root user.
> >     
>
> The neat being that some of the conditions under which this code runs
> do set errno while others have nothing to do with it..
>   
Yeah but I figured that a bad errmsg is more useful than nothing.

Getting errno to be reliable is tough because in these paths, there are 
various function calls that can throw off errno.

--
Regards,

Anthony Liguori