compositor: make wlr_compositor_destroy destroy resources

include/wlr/types/wlr_compositor.h

@@ -15,7 +15,8 @@ struct wlr_compositor {
 	struct wl_global *wl_global;
 	struct wl_list wl_resources;
 	struct wlr_renderer *renderer;
-	struct wl_list surfaces;
+	struct wl_list surface_resources;
+	struct wl_list region_resources;
 
 	struct wlr_subcompositor subcompositor;
 

include/wlr/types/wlr_region.h

@@ -8,8 +8,7 @@ struct wl_resource;
 /*
  * Implements the given resource as region.
  */
-void wlr_region_create(struct wl_client *client, struct wl_resource *res,
-	uint32_t id);
+struct wl_resource *wlr_region_create(struct wl_client *client, uint32_t id);
 
 pixman_region32_t *wlr_region_from_resource(struct wl_resource *resource);
 

types/wlr_compositor.c

@@ -99,6 +99,10 @@ static void subcompositor_init(struct wlr_subcompositor *subcompositor,
 
 static void subcompositor_finish(struct wlr_subcompositor *subcompositor) {
 	wl_global_destroy(subcompositor->wl_global);
+	struct wl_resource *resource, *tmp;
+	wl_resource_for_each_safe(resource, tmp, &subcompositor->wl_resources) {
+		wl_resource_destroy(resource);
+	}
 }
 
 
@@ -111,7 +115,8 @@ static struct wlr_compositor *compositor_from_resource(
 	return wl_resource_get_user_data(resource);
 }
 
-static void destroy_surface_listener(struct wl_listener *listener, void *data) {
+static void compositor_handle_surface_destroy(struct wl_listener *listener,
+		void *data) {
 	wl_list_remove(wl_resource_get_link(data));
 }
 
@@ -134,35 +139,36 @@ static void wl_compositor_create_surface(struct wl_client *client,
 		return;
 	}
 	surface->compositor_data = compositor;
-	surface->compositor_listener.notify = &destroy_surface_listener;
+	surface->compositor_listener.notify = compositor_handle_surface_destroy;
 	wl_resource_add_destroy_listener(surface_resource,
 		&surface->compositor_listener);
 
-	wl_list_insert(&compositor->surfaces,
+	wl_list_insert(&compositor->surface_resources,
 		wl_resource_get_link(surface_resource));
 	wlr_signal_emit_safe(&compositor->events.new_surface, surface);
 }
 
 static void wl_compositor_create_region(struct wl_client *client,
 		struct wl_resource *resource, uint32_t id) {
-	wlr_region_create(client, resource, id);
+	struct wlr_compositor *compositor = compositor_from_resource(resource);
+
+	struct wl_resource *region_resource = wlr_region_create(client, id);
+	if (region_resource == NULL) {
+		wl_resource_post_no_memory(resource);
+		return;
+	}
+
+	wl_list_insert(&compositor->region_resources,
+		wl_resource_get_link(region_resource));
 }
 
 static const struct wl_compositor_interface wl_compositor_impl = {
 	.create_surface = wl_compositor_create_surface,
-	.create_region = wl_compositor_create_region
+	.create_region = wl_compositor_create_region,
 };
 
 static void wl_compositor_destroy(struct wl_resource *resource) {
-	struct wlr_compositor *compositor = compositor_from_resource(resource);
-	struct wl_resource *_resource = NULL;
-	wl_resource_for_each(_resource, &compositor->wl_resources) {
-		if (_resource == resource) {
-			struct wl_list *link = wl_resource_get_link(_resource);
-			wl_list_remove(link);
-			break;
-		}
-	}
+	wl_list_remove(wl_resource_get_link(resource));
 }
 
 static void wl_compositor_bind(struct wl_client *wl_client, void *data,
@@ -189,6 +195,16 @@ void wlr_compositor_destroy(struct wlr_compositor *compositor) {
 	subcompositor_finish(&compositor->subcompositor);
 	wl_list_remove(&compositor->display_destroy.link);
 	wl_global_destroy(compositor->wl_global);
+	struct wl_resource *resource, *tmp;
+	wl_resource_for_each_safe(resource, tmp, &compositor->surface_resources) {
+		wl_resource_destroy(resource);
+	}
+	wl_resource_for_each_safe(resource, tmp, &compositor->region_resources) {
+		wl_resource_destroy(resource);
+	}
+	wl_resource_for_each_safe(resource, tmp, &compositor->wl_resources) {
+		wl_resource_destroy(resource);
+	}
 	free(compositor);
 }
 
@@ -218,7 +234,8 @@ struct wlr_compositor *wlr_compositor_create(struct wl_display *display,
 	compositor->renderer = renderer;
 
 	wl_list_init(&compositor->wl_resources);
-	wl_list_init(&compositor->surfaces);
+	wl_list_init(&compositor->surface_resources);
+	wl_list_init(&compositor->region_resources);
 	wl_signal_init(&compositor->events.new_surface);
 	wl_signal_init(&compositor->events.destroy);
 

types/wlr_region.c

@@ -38,12 +38,10 @@ static void destroy_region(struct wl_resource *resource) {
 	free(reg);
 }
 
-void wlr_region_create(struct wl_client *client, struct wl_resource *res,
-		uint32_t id) {
+struct wl_resource *wlr_region_create(struct wl_client *client, uint32_t id) {
 	pixman_region32_t *region = calloc(1, sizeof(pixman_region32_t));
 	if (region == NULL) {
-		wl_resource_post_no_memory(res);
-		return;
+		return NULL;
 	}
 
 	pixman_region32_init(region);
@@ -52,11 +50,11 @@ void wlr_region_create(struct wl_client *client, struct wl_resource *res,
 		&wl_region_interface, 1, id);
 	if (region_resource == NULL) {
 		free(region);
-		wl_resource_post_no_memory(res);
-		return;
+		return NULL;
 	}
 	wl_resource_set_implementation(region_resource, &region_impl, region,
 		destroy_region);
+	return region_resource;
 }
 
 pixman_region32_t *wlr_region_from_resource(struct wl_resource *resource) {