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rootston: handle backend creation failed

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This commit is contained in:
Tony Crisci 2017-12-20 05:51:23 -05:00
parent ca6a0ef1bb
commit ee39dff1e7
4 changed files with 15 additions and 3 deletions
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7
backend/multi/backend.c
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@ -42,7 +42,6 @@ static void subbackend_state_destroy(struct subbackend_state *sub) {
static void multi_backend_destroy(struct wlr_backend *wlr_backend) {
struct wlr_multi_backend *backend = (struct wlr_multi_backend *)wlr_backend;
wl_list_remove(&backend->display_destroy.link);
struct subbackend_state *sub, *next;
wl_list_for_each_safe(sub, next, &backend->backends, link) {
// XXX do we really want to take ownership over added backends?
@ -190,3 +189,9 @@ struct wlr_session *wlr_multi_get_session(struct wlr_backend *_backend) {
}
return NULL;
}
bool wlr_multi_is_empty(struct wlr_backend *_backend) {
assert(wlr_backend_is_multi(_backend));
struct wlr_multi_backend *backend = (struct wlr_multi_backend *)_backend;
return wl_list_length(&backend->backends) < 1;
}