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subbackend state destroy

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This commit is contained in:
Tony Crisci 2017-12-19 18:33:26 -05:00
parent a937016e38
commit 6c75a184e7
1 changed files with 28 additions and 5 deletions
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33
backend/multi/backend.c
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@ -14,6 +14,7 @@ struct subbackend_state {
struct wl_listener input_remove;
struct wl_listener output_add;
struct wl_listener output_remove;
struct wl_listener backend_destroy;
struct wl_list link;
};
@ -29,13 +30,23 @@ static bool multi_backend_start(struct wlr_backend *wlr_backend) {
return true;
}
static void subbackend_state_destroy(struct subbackend_state *sub) {
wl_list_remove(&sub->input_add.link);
wl_list_remove(&sub->input_remove.link);
wl_list_remove(&sub->output_add.link);
wl_list_remove(&sub->output_remove.link);
wl_list_remove(&sub->backend_destroy.link);
wl_list_remove(&sub->link);
free(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?
wlr_backend_destroy(sub->backend);
free(sub);
}
free(backend);
}
@ -100,6 +111,13 @@ static void output_remove_reemit(struct wl_listener *listener, void *data) {
wl_signal_emit(&state->container->events.output_remove, data);
}
static void handle_subbackend_destroy(struct wl_listener *listener,
void *data) {
struct subbackend_state *state = wl_container_of(listener,
state, backend_destroy);
subbackend_state_destroy(state);
}
void wlr_multi_backend_add(struct wlr_backend *_multi,
struct wlr_backend *backend) {
assert(wlr_backend_is_multi(_multi));
@ -115,15 +133,20 @@ void wlr_multi_backend_add(struct wlr_backend *_multi,
sub->backend = backend;
sub->container = &multi->backend;
sub->input_add.notify = input_add_reemit;
sub->input_remove.notify = input_remove_reemit;
sub->output_add.notify = output_add_reemit;
sub->output_remove.notify = output_remove_reemit;
wl_signal_add(&backend->events.destroy, &sub->backend_destroy);
sub->backend_destroy.notify = handle_subbackend_destroy;
wl_signal_add(&backend->events.input_add, &sub->input_add);
sub->input_add.notify = input_add_reemit;
wl_signal_add(&backend->events.input_remove, &sub->input_remove);
sub->input_remove.notify = input_remove_reemit;
wl_signal_add(&backend->events.output_add, &sub->output_add);
sub->output_add.notify = output_add_reemit;
wl_signal_add(&backend->events.output_remove, &sub->output_remove);
sub->output_remove.notify = output_remove_reemit;
}
struct wlr_session *wlr_multi_get_session(struct wlr_backend *_backend) {