static sd_bus_slot* bus_slot_free(sd_bus_slot *slot) {
assert(slot);
bus_slot_disconnect(slot, false);
if (slot->destroy_callback)
slot->destroy_callback(slot->userdata);
free(slot->description);
return mfree(slot);
}
_public_ sd_bus_slot* sd_bus_slot_unref(sd_bus_slot *slot) {
if (!slot)
return NULL;
assert(slot->n_ref > 0);
if (slot->n_ref > 1) {
slot->n_ref --;
return NULL;
}
bus_slot_disconnect(slot);
free(slot);
return NULL;
}
void bus_slot_disconnect(sd_bus_slot *slot, bool unref) {
sd_bus *bus;
assert(slot);
if (!slot->bus)
return;
switch (slot->type) {
case BUS_REPLY_CALLBACK:
if (slot->reply_callback.cookie != 0)
ordered_hashmap_remove(slot->bus->reply_callbacks, &slot->reply_callback.cookie);
if (slot->reply_callback.timeout_usec != 0)
prioq_remove(slot->bus->reply_callbacks_prioq, &slot->reply_callback, &slot->reply_callback.prioq_idx);
break;
case BUS_FILTER_CALLBACK:
slot->bus->filter_callbacks_modified = true;
LIST_REMOVE(callbacks, slot->bus->filter_callbacks, &slot->filter_callback);
break;
case BUS_MATCH_CALLBACK:
if (slot->match_added)
(void) bus_remove_match_internal(slot->bus, slot->match_callback.match_string);
if (slot->match_callback.install_slot) {
bus_slot_disconnect(slot->match_callback.install_slot, true);
slot->match_callback.install_slot = sd_bus_slot_unref(slot->match_callback.install_slot);
}
slot->bus->match_callbacks_modified = true;
bus_match_remove(&slot->bus->match_callbacks, &slot->match_callback);
slot->match_callback.match_string = mfree(slot->match_callback.match_string);
break;
case BUS_NODE_CALLBACK:
if (slot->node_callback.node) {
LIST_REMOVE(callbacks, slot->node_callback.node->callbacks, &slot->node_callback);
slot->bus->nodes_modified = true;
bus_node_gc(slot->bus, slot->node_callback.node);
}
break;
case BUS_NODE_ENUMERATOR:
if (slot->node_enumerator.node) {
LIST_REMOVE(enumerators, slot->node_enumerator.node->enumerators, &slot->node_enumerator);
slot->bus->nodes_modified = true;
bus_node_gc(slot->bus, slot->node_enumerator.node);
}
break;
case BUS_NODE_OBJECT_MANAGER:
if (slot->node_object_manager.node) {
LIST_REMOVE(object_managers, slot->node_object_manager.node->object_managers, &slot->node_object_manager);
slot->bus->nodes_modified = true;
bus_node_gc(slot->bus, slot->node_object_manager.node);
}
break;
case BUS_NODE_VTABLE:
if (slot->node_vtable.node && slot->node_vtable.interface && slot->node_vtable.vtable) {
const sd_bus_vtable *v;
for (v = slot->node_vtable.vtable; v->type != _SD_BUS_VTABLE_END; v = bus_vtable_next(slot->node_vtable.vtable, v)) {
struct vtable_member *x = NULL;
switch (v->type) {
case _SD_BUS_VTABLE_METHOD: {
struct vtable_member key;
key.path = slot->node_vtable.node->path;
key.interface = slot->node_vtable.interface;
key.member = v->x.method.member;
x = hashmap_remove(slot->bus->vtable_methods, &key);
break;
}
case _SD_BUS_VTABLE_PROPERTY:
case _SD_BUS_VTABLE_WRITABLE_PROPERTY: {
struct vtable_member key;
key.path = slot->node_vtable.node->path;
key.interface = slot->node_vtable.interface;
key.member = v->x.method.member;
x = hashmap_remove(slot->bus->vtable_properties, &key);
break;
}}
free(x);
}
}
slot->node_vtable.interface = mfree(slot->node_vtable.interface);
if (slot->node_vtable.node) {
LIST_REMOVE(vtables, slot->node_vtable.node->vtables, &slot->node_vtable);
slot->bus->nodes_modified = true;
bus_node_gc(slot->bus, slot->node_vtable.node);
}
break;
default:
assert_not_reached("Wut? Unknown slot type?");
}
bus = slot->bus;
slot->type = _BUS_SLOT_INVALID;
slot->bus = NULL;
LIST_REMOVE(slots, bus->slots, slot);
if (!slot->floating)
sd_bus_unref(bus);
else if (unref)
sd_bus_slot_unref(slot);
}
