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

[malc]

On Mon, 5 Oct 2009, Anthony Liguori wrote:

> 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.

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

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