Re: [Qemu-devel] [PATCH v7 4/4] monitor: add lock to protect mon_fdsets

[Stefan Hajnoczi]

On Fri, May 25, 2018 at 11:30:22AM +0800, Peter Xu wrote:
> On Thu, May 24, 2018 at 10:28:37AM +0100, Stefan Hajnoczi wrote:
> > On Thu, May 24, 2018 at 12:39:52PM +0800, Peter Xu wrote:
> > >  int monitor_fdset_get_fd(int64_t fdset_id, int flags)
> > >  {
> > > -#ifndef _WIN32
> > > +#ifdef _WIN32
> > > +    return -ENOENT;
> > 
> > stubs/fdset.c:monitor_fdset_get_fd() should return -ENOENT instead of -1
> > now.
> 
> Yes that's intended.  That's actually a suggestion from Markus since
> changing the return code will simplify the code.

No, I understand that part.  I'm pointing out that
stubs/fdset.c:monitor_fdset_get_fd() still returns -1 because it was not
updated by this patch.

Since this patch changes the return value to -errno, the stub function
should be updated to return a sensible -errno value too.

Stefan

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