18         sd_bus_slot *slot;  in bus_slot_allocate()  local
22         slot = malloc0(offsetof(sd_bus_slot, reply_callback) + extra);  in bus_slot_allocate()
23         if (!slot)  in bus_slot_allocate()
26         slot->n_ref = 1;  in bus_slot_allocate()
27         slot->type = type;  in bus_slot_allocate()
28         slot->bus = bus;  in bus_slot_allocate()
29         slot->floating = floating;  in bus_slot_allocate()
30         slot->userdata = userdata;  in bus_slot_allocate()
35         LIST_PREPEND(slots, bus->slots, slot);  in bus_slot_allocate()
37         return slot;  in bus_slot_allocate()
40 void bus_slot_disconnect(sd_bus_slot *slot, bool unref) {  in bus_slot_disconnect()  argument
43         assert(slot);  in bus_slot_disconnect()
45         if (!slot->bus)  in bus_slot_disconnect()
48         switch (slot->type) {  in bus_slot_disconnect()
52                 if (slot->reply_callback.cookie != 0)  in bus_slot_disconnect()
53 …                  ordered_hashmap_remove(slot->bus->reply_callbacks, &slot->reply_callback.cookie);  in bus_slot_disconnect()
55                 if (slot->reply_callback.timeout_usec != 0)  in bus_slot_disconnect()
56 …prioq_remove(slot->bus->reply_callbacks_prioq, &slot->reply_callback, &slot->reply_callback.prioq_…  in bus_slot_disconnect()
61                 slot->bus->filter_callbacks_modified = true;  in bus_slot_disconnect()
62                 LIST_REMOVE(callbacks, slot->bus->filter_callbacks, &slot->filter_callback);  in bus_slot_disconnect()
67                 if (slot->match_added)  in bus_slot_disconnect()
68 …                    (void) bus_remove_match_internal(slot->bus, slot->match_callback.match_string);  in bus_slot_disconnect()
70                 if (slot->match_callback.install_slot) {  in bus_slot_disconnect()
71                         bus_slot_disconnect(slot->match_callback.install_slot, true);  in bus_slot_disconnect()
72 …          slot->match_callback.install_slot = sd_bus_slot_unref(slot->match_callback.install_slot);  in bus_slot_disconnect()
75                 slot->bus->match_callbacks_modified = true;  in bus_slot_disconnect()
76                 bus_match_remove(&slot->bus->match_callbacks, &slot->match_callback);  in bus_slot_disconnect()
78                 slot->match_callback.match_string = mfree(slot->match_callback.match_string);  in bus_slot_disconnect()
84                 if (slot->node_callback.node) {  in bus_slot_disconnect()
85 …                 LIST_REMOVE(callbacks, slot->node_callback.node->callbacks, &slot->node_callback);  in bus_slot_disconnect()
86                         slot->bus->nodes_modified = true;  in bus_slot_disconnect()
88                         bus_node_gc(slot->bus, slot->node_callback.node);  in bus_slot_disconnect()
95                 if (slot->node_enumerator.node) {  in bus_slot_disconnect()
96 …         LIST_REMOVE(enumerators, slot->node_enumerator.node->enumerators, &slot->node_enumerator);  in bus_slot_disconnect()
97                         slot->bus->nodes_modified = true;  in bus_slot_disconnect()
99                         bus_node_gc(slot->bus, slot->node_enumerator.node);  in bus_slot_disconnect()
106                 if (slot->node_object_manager.node) {  in bus_slot_disconnect()
107 …LIST_REMOVE(object_managers, slot->node_object_manager.node->object_managers, &slot->node_object_m…  in bus_slot_disconnect()
108                         slot->bus->nodes_modified = true;  in bus_slot_disconnect()
110                         bus_node_gc(slot->bus, slot->node_object_manager.node);  in bus_slot_disconnect()
117 …           if (slot->node_vtable.node && slot->node_vtable.interface && slot->node_vtable.vtable) {  in bus_slot_disconnect()
120 …for (v = slot->node_vtable.vtable; v->type != _SD_BUS_VTABLE_END; v = bus_vtable_next(slot->node_v…  in bus_slot_disconnect()
128                                         key.path = slot->node_vtable.node->path;  in bus_slot_disconnect()
129                                         key.interface = slot->node_vtable.interface;  in bus_slot_disconnect()
132                                         x = hashmap_remove(slot->bus->vtable_methods, &key);  in bus_slot_disconnect()
140                                         key.path = slot->node_vtable.node->path;  in bus_slot_disconnect()
141                                         key.interface = slot->node_vtable.interface;  in bus_slot_disconnect()
144                                         x = hashmap_remove(slot->bus->vtable_properties, &key);  in bus_slot_disconnect()
152                 slot->node_vtable.interface = mfree(slot->node_vtable.interface);  in bus_slot_disconnect()
154                 if (slot->node_vtable.node) {  in bus_slot_disconnect()
155                         LIST_REMOVE(vtables, slot->node_vtable.node->vtables, &slot->node_vtable);  in bus_slot_disconnect()
156                         slot->bus->nodes_modified = true;  in bus_slot_disconnect()
158                         bus_node_gc(slot->bus, slot->node_vtable.node);  in bus_slot_disconnect()
167         bus = slot->bus;  in bus_slot_disconnect()
169         slot->type = _BUS_SLOT_INVALID;  in bus_slot_disconnect()
170         slot->bus = NULL;  in bus_slot_disconnect()
171         LIST_REMOVE(slots, bus->slots, slot);  in bus_slot_disconnect()
173         if (!slot->floating)  in bus_slot_disconnect()
176                 sd_bus_slot_unref(slot);  in bus_slot_disconnect()
179 static sd_bus_slot* bus_slot_free(sd_bus_slot *slot) {  in bus_slot_free()  argument
180         assert(slot);  in bus_slot_free()
182         bus_slot_disconnect(slot, false);  in bus_slot_free()
184         if (slot->destroy_callback)  in bus_slot_free()
185                 slot->destroy_callback(slot->userdata);  in bus_slot_free()
187         free(slot->description);  in bus_slot_free()
188         return mfree(slot);  in bus_slot_free()
193 _public_ sd_bus* sd_bus_slot_get_bus(sd_bus_slot *slot) {  in sd_bus_slot_get_bus()  argument
194         assert_return(slot, NULL);  in sd_bus_slot_get_bus()
196         return slot->bus;  in sd_bus_slot_get_bus()
199 _public_ void *sd_bus_slot_get_userdata(sd_bus_slot *slot) {  in sd_bus_slot_get_userdata()  argument
200         assert_return(slot, NULL);  in sd_bus_slot_get_userdata()
202         return slot->userdata;  in sd_bus_slot_get_userdata()
205 _public_ void *sd_bus_slot_set_userdata(sd_bus_slot *slot, void *userdata) {  in sd_bus_slot_set_userdata()  argument
208         assert_return(slot, NULL);  in sd_bus_slot_set_userdata()
210         ret = slot->userdata;  in sd_bus_slot_set_userdata()
211         slot->userdata = userdata;  in sd_bus_slot_set_userdata()
216 _public_ int sd_bus_slot_set_destroy_callback(sd_bus_slot *slot, sd_bus_destroy_t callback) {  in sd_bus_slot_set_destroy_callback()  argument
217         assert_return(slot, -EINVAL);  in sd_bus_slot_set_destroy_callback()
219         slot->destroy_callback = callback;  in sd_bus_slot_set_destroy_callback()
223 _public_ int sd_bus_slot_get_destroy_callback(sd_bus_slot *slot, sd_bus_destroy_t *callback) {  in sd_bus_slot_get_destroy_callback()  argument
224         assert_return(slot, -EINVAL);  in sd_bus_slot_get_destroy_callback()
227                 *callback = slot->destroy_callback;  in sd_bus_slot_get_destroy_callback()
229         return !!slot->destroy_callback;  in sd_bus_slot_get_destroy_callback()
232 _public_ sd_bus_message *sd_bus_slot_get_current_message(sd_bus_slot *slot) {  in sd_bus_slot_get_current_message()  argument
233         assert_return(slot, NULL);  in sd_bus_slot_get_current_message()
234         assert_return(slot->type >= 0, NULL);  in sd_bus_slot_get_current_message()
236         if (slot->bus->current_slot != slot)  in sd_bus_slot_get_current_message()
239         return slot->bus->current_message;  in sd_bus_slot_get_current_message()
242 _public_ sd_bus_message_handler_t sd_bus_slot_get_current_handler(sd_bus_slot *slot) {  in sd_bus_slot_get_current_handler()  argument
243         assert_return(slot, NULL);  in sd_bus_slot_get_current_handler()
244         assert_return(slot->type >= 0, NULL);  in sd_bus_slot_get_current_handler()
246         if (slot->bus->current_slot != slot)  in sd_bus_slot_get_current_handler()
249         return slot->bus->current_handler;  in sd_bus_slot_get_current_handler()
252 _public_ void* sd_bus_slot_get_current_userdata(sd_bus_slot *slot) {  in sd_bus_slot_get_current_userdata()  argument
253         assert_return(slot, NULL);  in sd_bus_slot_get_current_userdata()
254         assert_return(slot->type >= 0, NULL);  in sd_bus_slot_get_current_userdata()
256         if (slot->bus->current_slot != slot)  in sd_bus_slot_get_current_userdata()
259         return slot->bus->current_userdata;  in sd_bus_slot_get_current_userdata()
262 _public_ int sd_bus_slot_get_floating(sd_bus_slot *slot) {  in sd_bus_slot_get_floating()  argument
263         assert_return(slot, -EINVAL);  in sd_bus_slot_get_floating()
265         return slot->floating;  in sd_bus_slot_get_floating()
268 _public_ int sd_bus_slot_set_floating(sd_bus_slot *slot, int b) {  in sd_bus_slot_set_floating()  argument
269         assert_return(slot, -EINVAL);  in sd_bus_slot_set_floating()
271         if (slot->floating == !!b)  in sd_bus_slot_set_floating()
274         if (!slot->bus) /* already disconnected slots can't be reconnected */  in sd_bus_slot_set_floating()
277         slot->floating = b;  in sd_bus_slot_set_floating()
283                 sd_bus_slot_ref(slot);  in sd_bus_slot_set_floating()
284                 sd_bus_unref(slot->bus);  in sd_bus_slot_set_floating()
286                 sd_bus_ref(slot->bus);  in sd_bus_slot_set_floating()
287                 sd_bus_slot_unref(slot);  in sd_bus_slot_set_floating()
293 _public_ int sd_bus_slot_set_description(sd_bus_slot *slot, const char *description) {  in sd_bus_slot_set_description()  argument
294         assert_return(slot, -EINVAL);  in sd_bus_slot_set_description()
296         return free_and_strdup(&slot->description, description);  in sd_bus_slot_set_description()
299 _public_ int sd_bus_slot_get_description(sd_bus_slot *slot, const char **description) {  in sd_bus_slot_get_description()  argument
300         assert_return(slot, -EINVAL);  in sd_bus_slot_get_description()
303         if (slot->description)  in sd_bus_slot_get_description()
304                 *description = slot->description;  in sd_bus_slot_get_description()
305         else if (slot->type == BUS_MATCH_CALLBACK)  in sd_bus_slot_get_description()
306                 *description = slot->match_callback.match_string;  in sd_bus_slot_get_description()