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-rw-r--r--backend/multi/backend.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/backend/multi/backend.c b/backend/multi/backend.c
index 1665bf28..3707fe34 100644
--- a/backend/multi/backend.c
+++ b/backend/multi/backend.c
@@ -207,3 +207,13 @@ bool wlr_multi_is_empty(struct wlr_backend *_backend) {
struct wlr_multi_backend *backend = (struct wlr_multi_backend *)_backend;
return wl_list_length(&backend->backends) < 1;
}
+
+void wlr_multi_for_each_backend(struct wlr_backend *_backend,
+ void (*callback)(struct wlr_backend *backend, void *data), void *data) {
+ assert(wlr_backend_is_multi(_backend));
+ struct wlr_multi_backend *backend = (struct wlr_multi_backend *)_backend;
+ struct subbackend_state *sub;
+ wl_list_for_each(sub, &backend->backends, link) {
+ callback(sub->backend, data);
+ }
+}