Re: [PATCH v2 4/9] worker: improved implementation of SpiceTimer

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Looks good to me

Acked-by: Christophe Fergeau <cfergeau@xxxxxxxxxx>

Christophe

On Tue, Jan 26, 2016 at 09:44:31AM +0000, Frediano Ziglio wrote:
> Use a custom GSource.
> This to avoid having to allocate a timer all the time we add one.
> 
> Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
> ---
>  server/event-loop.c | 56 +++++++++++++++++++++++------------------------------
>  1 file changed, 24 insertions(+), 32 deletions(-)
> 
> diff --git a/server/event-loop.c b/server/event-loop.c
> index 4738ed9..6e08d78 100644
> --- a/server/event-loop.c
> +++ b/server/event-loop.c
> @@ -25,60 +25,52 @@
>  #include "red-common.h"
>  
>  struct SpiceTimer {
> -    GMainContext *context;
> -    SpiceTimerFunc func;
> -    void *opaque;
> -    GSource *source;
> +    GSource source;
>  };
>  
> -static SpiceTimer* timer_add(const SpiceCoreInterfaceInternal *iface,
> -                             SpiceTimerFunc func, void *opaque)
> +static gboolean
> +spice_timer_dispatch(GSource     *source,
> +                     GSourceFunc  callback,
> +                     gpointer     user_data)
>  {
> -    SpiceTimer *timer = spice_malloc0(sizeof(SpiceTimer));
> +    SpiceTimerFunc func = (SpiceTimerFunc) callback;
>  
> -    timer->context = iface->main_context;
> -    timer->func = func;
> -    timer->opaque = opaque;
> +    func(user_data);
> +    /* timer might be free after func(), don't touch */
>  
> -    return timer;
> +    return FALSE;
>  }
>  
> -static gboolean timer_func(gpointer user_data)
> +static GSourceFuncs spice_timer_funcs = {
> +    .dispatch = spice_timer_dispatch,
> +};
> +
> +static SpiceTimer* timer_add(const SpiceCoreInterfaceInternal *iface,
> +                             SpiceTimerFunc func, void *opaque)
>  {
> -    SpiceTimer *timer = user_data;
> +    SpiceTimer *timer = (SpiceTimer *) g_source_new(&spice_timer_funcs, sizeof(SpiceTimer));
>  
> -    timer->func(timer->opaque);
> -    /* timer might be free after func(), don't touch */
> +    g_source_set_callback(&timer->source, (GSourceFunc) func, opaque, NULL);
>  
> -    return FALSE;
> +    g_source_attach(&timer->source, iface->main_context);
> +
> +    return timer;
>  }
>  
>  static void timer_cancel(SpiceTimer *timer)
>  {
> -    if (timer->source) {
> -        g_source_destroy(timer->source);
> -        g_source_unref(timer->source);
> -        timer->source = NULL;
> -    }
> +    g_source_set_ready_time(&timer->source, -1);
>  }
>  
>  static void timer_start(SpiceTimer *timer, uint32_t ms)
>  {
> -    timer_cancel(timer);
> -
> -    timer->source = g_timeout_source_new(ms);
> -    spice_assert(timer->source != NULL);
> -
> -    g_source_set_callback(timer->source, timer_func, timer, NULL);
> -
> -    g_source_attach(timer->source, timer->context);
> +    g_source_set_ready_time(&timer->source, g_get_monotonic_time() + ms * 1000u);
>  }
>  
>  static void timer_remove(SpiceTimer *timer)
>  {
> -    timer_cancel(timer);
> -    spice_assert(timer->source == NULL);
> -    free(timer);
> +    g_source_destroy(&timer->source);
> +    g_source_unref(&timer->source);
>  }
>  
>  struct SpiceWatch {
> -- 
> 2.4.3
> 
> _______________________________________________
> Spice-devel mailing list
> Spice-devel@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/spice-devel

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