Re: [spice-gtk v3 0/6] spice-channel: read/flush wire functions

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Hi,

On Thu, Mar 02, 2017 at 02:28:37PM +0100, Christophe Fergeau wrote:
> On Thu, Mar 02, 2017 at 02:05:21PM +0100, Victor Toso wrote:
> > > and the while (TRUE) is equally odd if you ask me (mostly because you
> > > said it would loop at most once anyway).
> >
> > The iteration should happen only once because g_coroutine_socket_wait()
> > does wait G_IO_IN/G_IO_OUT. Its very unlikely that after
> > g_coroutine_socket_wait() returns, we can't read or write.
> >
> > Still, that's not odd. Not odd at all. Unless `goto reread` give us some
> > performance gain here, I can't see goto label being preferred to
> > while(1).
>
> Yes, in both cases it's not really obvious how many iterations there's
> going to be. Just more subtle with the goto than with the while :)

I would say more hidden with goto

>
> > > I guess I could live with it with a slightly better changelog, and
> > > maybe a comment indicating this is not really a loop.
> >
> > I can't see a reason to improve the commit log if you don't agree with
> > the changes and I don't really intend to keep discussing over this that
> > seems more a personal preference thing. I might be completely wrong in
> > the end :)
>
> You seem to prefer the while(TRUE), and I don't care that strongly, and
> I really think the commit log can be slightly better. "using goto to
> reiterate in the code should be avoided." reads as if this was a golden
> rule (coming from where?) never ever to be broken.

Right, I don't mean it as a golden rule.

> I'd just state that this makes the code follow the recommendations
> from SPICE coding style.

Okay, I'll improve it and resend.

> > Still, IMO I see an improvement while interacting with this code later
> > on. Maybe I should not have sent this to soon but I'm trying to avoid
> > huge patch series whenever I can. See this 'wip-qos' patch in current
> > master [1] and with this series [2].
> >
> > [1] https://gitlab.com/victortoso/spice-gtk/commit/9c68d7875beafbc49df4dc1b8c58a490fbc355b8?view=parallel
> > [2] https://gitlab.com/victortoso/spice-gtk/commit/326528c9674dbeb765bb50f6d0b729f8a2b45c57?view=parallel
>
> Thanks, this kind of context can be part of the cover letter.
>
> Christophe

Surely, I'll try to keep that in mind in the future.

        toso

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