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authorRyan Dwyer <ryandwyer1@gmail.com>2018-09-19 21:53:51 +1000
committerRyan Dwyer <ryandwyer1@gmail.com>2018-09-19 21:53:51 +1000
commit691a63d66bdf45bc30e427b59958e7e12440e53e (patch)
tree426844dd138cf430a1af62b4d8a4d6a1d6faff16
parent3693fae0c44d83cab2c701bd44b80d8f6242781e (diff)
Introduce wlr_multi_for_each_backend
-rw-r--r--backend/multi/backend.c10
-rw-r--r--include/wlr/backend/multi.h3
2 files changed, 13 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);
+ }
+}
diff --git a/include/wlr/backend/multi.h b/include/wlr/backend/multi.h
index 7137b075..ef908d26 100644
--- a/include/wlr/backend/multi.h
+++ b/include/wlr/backend/multi.h
@@ -31,4 +31,7 @@ bool wlr_backend_is_multi(struct wlr_backend *backend);
struct wlr_session *wlr_multi_get_session(struct wlr_backend *base);
bool wlr_multi_is_empty(struct wlr_backend *backend);
+void wlr_multi_for_each_backend(struct wlr_backend *backend,
+ void (*callback)(struct wlr_backend *backend, void *data), void *data);
+
#endif