Re: [PATCH 07/10] worker: move remove worker from WORKER_FOREACH_DCC_SAFE

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> 
> From: Marc-André Lureau <marcandre.lureau@xxxxxxxxx>
> 
> ---
>  server/red_worker.c | 38 ++++++++++++++++++--------------------
>  1 file changed, 18 insertions(+), 20 deletions(-)
> 
> diff --git a/server/red_worker.c b/server/red_worker.c
> index 32611e2..480f2ca 100644
> --- a/server/red_worker.c
> +++ b/server/red_worker.c
> @@ -583,10 +583,8 @@ static void
> dcc_push_monitors_config(DisplayChannelClient *dcc);
>      SAFE_FOREACH(link, next, channel,  &(channel)->clients, dcc,
>      LINK_TO_DCC(link))
>  
>  
> -#define WORKER_FOREACH_DCC_SAFE(worker, link, next, dcc)      \
> -    DCC_FOREACH_SAFE(link, next, dcc,                         \
> -                ((((worker) && (worker)->display_channel))?   \
> -                 (&(worker)->display_channel->common.base) : NULL))
> +#define FOREACH_DCC(display_channel, link, next, dcc)      \
> +    DCC_FOREACH_SAFE(link, next, dcc, RED_CHANNEL(display_channel))
>  

I agree to remove the WORKER_ part, not the _SAFE one.
_SAFE macros allows to delete current element but can be a bit slower.
If the item is removed the reader can be confusing not seeing an "unsafe"
macro.

For the moment I won't ack/nack. I would like to have other opinions.

>  
>  #define LINK_TO_DPI(ptr) SPICE_CONTAINEROF((ptr), DrawablePipeItem, base)
> @@ -842,7 +840,7 @@ static void red_pipes_add_drawable(RedWorker *worker,
> Drawable *drawable)
>      RingItem *dcc_ring_item, *next;
>  
>      spice_warn_if(!ring_is_empty(&drawable->pipes));
> -    WORKER_FOREACH_DCC_SAFE(worker, dcc_ring_item, next, dcc) {
> +    FOREACH_DCC(worker->display_channel, dcc_ring_item, next, dcc) {
>          dcc_add_drawable(dcc, drawable);
>      }
>  }
> @@ -882,7 +880,7 @@ static inline void red_pipes_add_drawable_after(RedWorker
> *worker,
>      if (num_other_linked !=
>      worker->display_channel->common.base.clients_num) {
>          RingItem *worker_item, *next;
>          spice_debug("TODO: not O(n^2)");
> -        WORKER_FOREACH_DCC_SAFE(worker, worker_item, next, dcc) {
> +        FOREACH_DCC(worker->display_channel, worker_item, next, dcc) {
>              int sent = 0;
>              DRAWABLE_FOREACH_DPI_SAFE(pos_after, dpi_link, dpi_next,
>              dpi_pos_after) {
>                  if (dpi_pos_after->dcc == dcc) {
> @@ -1075,7 +1073,7 @@ static inline void red_destroy_surface(RedWorker
> *worker, uint32_t surface_id)
>  
>          region_destroy(&surface->draw_dirty_region);
>          surface->context.canvas = NULL;
> -        WORKER_FOREACH_DCC_SAFE(worker, link, next, dcc) {
> +        FOREACH_DCC(worker->display_channel, link, next, dcc) {
>              red_destroy_surface_item(worker, dcc, surface_id);
>          }
>  
> @@ -1409,7 +1407,7 @@ static void
> red_clear_surface_drawables_from_pipes(RedWorker *worker,
>      RingItem *item, *next;
>      DisplayChannelClient *dcc;
>  
> -    WORKER_FOREACH_DCC_SAFE(worker, item, next, dcc) {
> +    FOREACH_DCC(worker->display_channel, item, next, dcc) {
>          if (!red_clear_surface_drawables_from_pipe(dcc, surface_id,
>          wait_if_used)) {
>              red_channel_client_disconnect(&dcc->common.base);
>          }
> @@ -1771,7 +1769,7 @@ static void red_attach_stream(RedWorker *worker,
> Drawable *drawable, Stream *str
>          stream->num_input_frames++;
>      }
>  
> -    WORKER_FOREACH_DCC_SAFE(worker, item, next, dcc) {
> +    FOREACH_DCC(worker->display_channel, item, next, dcc) {
>          StreamAgent *agent;
>          QRegion clip_in_draw_dest;
>  
> @@ -1837,7 +1835,7 @@ static void red_stop_stream(RedWorker *worker, Stream
> *stream)
>      spice_assert(ring_item_is_linked(&stream->link));
>      spice_assert(!stream->current);
>      spice_debug("stream %d", get_stream_id(worker, stream));
> -    WORKER_FOREACH_DCC_SAFE(worker, item, next, dcc) {
> +    FOREACH_DCC(worker->display_channel, item, next, dcc) {
>          StreamAgent *stream_agent;
>  
>          stream_agent = &dcc->stream_agents[get_stream_id(worker, stream)];
> @@ -1954,7 +1952,7 @@ static inline void
> red_detach_stream_gracefully(RedWorker *worker, Stream *strea
>      RingItem *item, *next;
>      DisplayChannelClient *dcc;
>  
> -    WORKER_FOREACH_DCC_SAFE(worker, item, next, dcc) {
> +    FOREACH_DCC(worker->display_channel, item, next, dcc) {
>          red_display_detach_stream_gracefully(dcc, stream,
>          update_area_limit);
>      }
>      if (stream->current) {
> @@ -1985,7 +1983,7 @@ static void red_detach_streams_behind(RedWorker
> *worker, QRegion *region, Drawab
>          int detach_stream = 0;
>          item = ring_next(ring, item);
>  
> -        WORKER_FOREACH_DCC_SAFE(worker, dcc_ring_item, next, dcc) {
> +        FOREACH_DCC(worker->display_channel, dcc_ring_item, next, dcc) {
>              StreamAgent *agent = &dcc->stream_agents[get_stream_id(worker,
>              stream)];
>  
>              if (region_intersects(&agent->vis_region, region)) {
> @@ -2033,7 +2031,7 @@ static void red_streams_update_visible_region(RedWorker
> *worker, Drawable *drawa
>              continue;
>          }
>  
> -        WORKER_FOREACH_DCC_SAFE(worker, dcc_ring_item, next, dcc) {
> +        FOREACH_DCC(worker->display_channel, dcc_ring_item, next, dcc) {
>              agent = &dcc->stream_agents[get_stream_id(worker, stream)];
>  
>              if (region_intersects(&agent->vis_region,
>              &drawable->tree_item.base.rgn)) {
> @@ -2306,7 +2304,7 @@ static void red_create_stream(RedWorker *worker,
> Drawable *drawable)
>      stream->input_fps_start_time = drawable->creation_time;
>      worker->streams_size_total += stream->width * stream->height;
>      worker->stream_count++;
> -    WORKER_FOREACH_DCC_SAFE(worker, dcc_ring_item, next, dcc) {
> +    FOREACH_DCC(worker->display_channel, dcc_ring_item, next, dcc) {
>          red_display_create_stream(dcc, stream);
>      }
>      spice_debug("stream %d %dx%d (%d, %d) (%d, %d)", (int)(stream -
>      worker->streams_buf), stream->width,
> @@ -2499,7 +2497,7 @@ static inline void pre_stream_item_swap(RedWorker
> *worker, Stream *stream, Drawa
>      }
>  
>  
> -    WORKER_FOREACH_DCC_SAFE(worker, ring_item, next, dcc) {
> +    FOREACH_DCC(worker->display_channel, ring_item, next, dcc) {
>          double drop_factor;
>  
>          agent = &dcc->stream_agents[index];
> @@ -3996,7 +3994,7 @@ static void red_free_some(RedWorker *worker)
>  
>      spice_debug("#draw=%d, #red_draw=%d, #glz_draw=%d",
>      worker->drawable_count,
>                  worker->red_drawable_count, worker->glz_drawable_count);
> -    WORKER_FOREACH_DCC_SAFE(worker, item, next, dcc) {
> +    FOREACH_DCC(worker->display_channel, item, next, dcc) {
>          GlzSharedDictionary *glz_dict = dcc ? dcc->glz_dict : NULL;
>  
>          if (glz_dict) {
> @@ -4011,7 +4009,7 @@ static void red_free_some(RedWorker *worker)
>          free_one_drawable(worker, TRUE);
>      }
>  
> -    WORKER_FOREACH_DCC_SAFE(worker, item, next, dcc) {
> +    FOREACH_DCC(worker->display_channel, item, next, dcc) {
>          GlzSharedDictionary *glz_dict = dcc ? dcc->glz_dict : NULL;
>  
>          if (glz_dict) {
> @@ -8173,7 +8171,7 @@ static void red_worker_create_surface_item(RedWorker
> *worker, int surface_id)
>      DisplayChannelClient *dcc;
>      RingItem *item, *next;
>  
> -    WORKER_FOREACH_DCC_SAFE(worker, item, next, dcc) {
> +    FOREACH_DCC(worker->display_channel, item, next, dcc) {
>          red_create_surface_item(dcc, surface_id);
>      }
>  }
> @@ -8184,7 +8182,7 @@ static void red_worker_push_surface_image(RedWorker
> *worker, int surface_id)
>      DisplayChannelClient *dcc;
>      RingItem *item, *next;
>  
> -    WORKER_FOREACH_DCC_SAFE(worker, item, next, dcc) {
> +    FOREACH_DCC(worker->display_channel, item, next, dcc) {
>          red_push_surface_image(dcc, surface_id);
>      }
>  }
> @@ -9570,7 +9568,7 @@ static void red_worker_push_monitors_config(RedWorker
> *worker)
>      DisplayChannelClient *dcc;
>      RingItem *item, *next;
>  
> -    WORKER_FOREACH_DCC_SAFE(worker, item, next, dcc) {
> +    FOREACH_DCC(worker->display_channel, item, next, dcc) {
>          dcc_push_monitors_config(dcc);
>      }
>  }
> --
> 2.4.3

Frediano
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