Add API to get the list of connected clients

This patch chooses the wl_list_for_each-style of iterating over
the clients, instead of using an iterator function, because i think
it is easier to use.

Signed-off-by: Giulio Camuffo <giulio.camuffo@kdab.com>
Reviewed-by: Jonas Ådahl <jadahl@gmail.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>

1 files changed, 14 insertions, 0 deletions

diff --git a/src/wayland-server-core.h b/src/wayland-server-core.h
index c0d25e9..69c09dc 100644
--- a/src/wayland-server-core.h
+++ b/src/wayland-server-core.h
@@ -171,6 +171,20 @@ wl_global_destroy(struct wl_global *global);
 struct wl_client *
 wl_client_create(struct wl_display *display, int fd);
 
+struct wl_list *
+wl_display_get_client_list(struct wl_display *display);
+
+struct wl_list *
+wl_client_get_link(struct wl_client *client);
+
+struct wl_client *
+wl_client_from_link(struct wl_list *link);
+
+#define wl_client_for_each(client, list)				\
+	for (client = wl_client_from_link((list)->next);	\
+	     wl_client_get_link(client) != (list);			\
+	     client = wl_client_from_link(wl_client_get_link(client)->next))
+
 void
 wl_client_destroy(struct wl_client *client);