21         _cleanup_free_ sd_netlink_slot *slot = NULL;  in netlink_slot_allocate()  local
26         slot = malloc0(offsetof(sd_netlink_slot, reply_callback) + extra);  in netlink_slot_allocate()
27         if (!slot)  in netlink_slot_allocate()
30         slot->n_ref = 1;  in netlink_slot_allocate()
31         slot->netlink = nl;  in netlink_slot_allocate()
32         slot->userdata = userdata;  in netlink_slot_allocate()
33         slot->type = type;  in netlink_slot_allocate()
34         slot->floating = floating;  in netlink_slot_allocate()
37                 slot->description = strdup(description);  in netlink_slot_allocate()
38                 if (!slot->description)  in netlink_slot_allocate()
45         LIST_PREPEND(slots, nl->slots, slot);  in netlink_slot_allocate()
47         *ret = TAKE_PTR(slot);  in netlink_slot_allocate()
52 void netlink_slot_disconnect(sd_netlink_slot *slot, bool unref) {  in netlink_slot_disconnect()  argument
55         assert(slot);  in netlink_slot_disconnect()
57         nl = slot->netlink;  in netlink_slot_disconnect()
61         switch (slot->type) {  in netlink_slot_disconnect()
64                 (void) hashmap_remove(nl->reply_callbacks, &slot->reply_callback.serial);  in netlink_slot_disconnect()
66                 if (slot->reply_callback.timeout != 0)  in netlink_slot_disconnect()
67 …   prioq_remove(nl->reply_callbacks_prioq, &slot->reply_callback, &slot->reply_callback.prioq_idx);  in netlink_slot_disconnect()
71                 LIST_REMOVE(match_callbacks, nl->match_callbacks, &slot->match_callback);  in netlink_slot_disconnect()
73                 for (size_t i = 0; i < slot->match_callback.n_groups; i++)  in netlink_slot_disconnect()
74                         (void) socket_broadcast_group_unref(nl, slot->match_callback.groups[i]);  in netlink_slot_disconnect()
76                 slot->match_callback.n_groups = 0;  in netlink_slot_disconnect()
77                 slot->match_callback.groups = mfree(slot->match_callback.groups);  in netlink_slot_disconnect()
84         slot->type = _NETLINK_SLOT_INVALID;  in netlink_slot_disconnect()
85         slot->netlink = NULL;  in netlink_slot_disconnect()
86         LIST_REMOVE(slots, nl->slots, slot);  in netlink_slot_disconnect()
88         if (!slot->floating)  in netlink_slot_disconnect()
91                 sd_netlink_slot_unref(slot);  in netlink_slot_disconnect()
94 static sd_netlink_slot* netlink_slot_free(sd_netlink_slot *slot) {  in netlink_slot_free()  argument
95         assert(slot);  in netlink_slot_free()
97         netlink_slot_disconnect(slot, false);  in netlink_slot_free()
99         if (slot->destroy_callback)  in netlink_slot_free()
100                 slot->destroy_callback(slot->userdata);  in netlink_slot_free()
102         free(slot->description);  in netlink_slot_free()
103         return mfree(slot);  in netlink_slot_free()
108 sd_netlink *sd_netlink_slot_get_netlink(sd_netlink_slot *slot) {  in sd_netlink_slot_get_netlink()  argument
109         assert_return(slot, NULL);  in sd_netlink_slot_get_netlink()
111         return slot->netlink;  in sd_netlink_slot_get_netlink()
114 void *sd_netlink_slot_get_userdata(sd_netlink_slot *slot) {  in sd_netlink_slot_get_userdata()  argument
115         assert_return(slot, NULL);  in sd_netlink_slot_get_userdata()
117         return slot->userdata;  in sd_netlink_slot_get_userdata()
120 void *sd_netlink_slot_set_userdata(sd_netlink_slot *slot, void *userdata) {  in sd_netlink_slot_set_userdata()  argument
123         assert_return(slot, NULL);  in sd_netlink_slot_set_userdata()
125         ret = slot->userdata;  in sd_netlink_slot_set_userdata()
126         slot->userdata = userdata;  in sd_netlink_slot_set_userdata()
131 int sd_netlink_slot_get_destroy_callback(sd_netlink_slot *slot, sd_netlink_destroy_t *callback) {  in sd_netlink_slot_get_destroy_callback()  argument
132         assert_return(slot, -EINVAL);  in sd_netlink_slot_get_destroy_callback()
135                 *callback = slot->destroy_callback;  in sd_netlink_slot_get_destroy_callback()
137         return !!slot->destroy_callback;  in sd_netlink_slot_get_destroy_callback()
140 int sd_netlink_slot_set_destroy_callback(sd_netlink_slot *slot, sd_netlink_destroy_t callback) {  in sd_netlink_slot_set_destroy_callback()  argument
141         assert_return(slot, -EINVAL);  in sd_netlink_slot_set_destroy_callback()
143         slot->destroy_callback = callback;  in sd_netlink_slot_set_destroy_callback()
147 int sd_netlink_slot_get_floating(sd_netlink_slot *slot) {  in sd_netlink_slot_get_floating()  argument
148         assert_return(slot, -EINVAL);  in sd_netlink_slot_get_floating()
150         return slot->floating;  in sd_netlink_slot_get_floating()
153 int sd_netlink_slot_set_floating(sd_netlink_slot *slot, int b) {  in sd_netlink_slot_set_floating()  argument
154         assert_return(slot, -EINVAL);  in sd_netlink_slot_set_floating()
156         if (slot->floating == !!b)  in sd_netlink_slot_set_floating()
159         if (!slot->netlink) /* Already disconnected */  in sd_netlink_slot_set_floating()
162         slot->floating = b;  in sd_netlink_slot_set_floating()
165                 sd_netlink_slot_ref(slot);  in sd_netlink_slot_set_floating()
166                 sd_netlink_unref(slot->netlink);  in sd_netlink_slot_set_floating()
168                 sd_netlink_ref(slot->netlink);  in sd_netlink_slot_set_floating()
169                 sd_netlink_slot_unref(slot);  in sd_netlink_slot_set_floating()
175 int sd_netlink_slot_get_description(sd_netlink_slot *slot, const char **description) {  in sd_netlink_slot_get_description()  argument
176         assert_return(slot, -EINVAL);  in sd_netlink_slot_get_description()
179                 *description = slot->description;  in sd_netlink_slot_get_description()
181         return !!slot->description;  in sd_netlink_slot_get_description()
184 int sd_netlink_slot_set_description(sd_netlink_slot *slot, const char *description) {  in sd_netlink_slot_set_description()  argument
185         assert_return(slot, -EINVAL);  in sd_netlink_slot_set_description()
187         return free_and_strdup(&slot->description, description);  in sd_netlink_slot_set_description()