Re: [Qemu-devel] [PATCH v2 2/2] vnc: threaded VNC server

[Avi Kivity]

On 06/04/2010 04:20 PM, Corentin Chary wrote:
> +    if (vnc_trylock_display(vd)) {
> +        vd->timer_interval = VNC_REFRESH_INTERVAL_BASE;
> +        qemu_mod_timer(vd->timer, qemu_get_clock(rt_clock) +
> +                       vd->timer_interval);
> +        return;
> +    }
> +
>       has_dirty = vnc_refresh_server_surface(vd);
> +    vnc_unlock_display(vd);
>    

This could delay the update by quite a bit, no?

A more elaborate approach would be to enqueue the refresh job into the 
queue.  May need the iothread enabled so we have qemu_mutex.

btw, I could not find other uses of vd->mutex, shouldn't it protect 
against the work thread?


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error compiling committee.c: too many arguments to function