+/*
+ * Create a list of ust global domain events.
+ */
+static int list_lttng_ust_global_events(char *channel_name,
+ struct ltt_ust_domain_global *ust_global, struct lttng_event **events)
+{
+ int i = 0, ret = 0;
+ unsigned int nb_event = 0;
+ struct cds_lfht_iter iter;
+ struct cds_lfht_node *node;
+ struct ltt_ust_channel *uchan;
+ struct ltt_ust_event *uevent;
+ struct lttng_event *tmp;
+
+ DBG("Listing UST global events for channel %s", channel_name);
+
+ rcu_read_lock();
+
+ node = hashtable_lookup(ust_global->channels, (void *) channel_name,
+ strlen(channel_name), &iter);
+ if (node == NULL) {
+ ret = -LTTCOMM_UST_CHAN_NOT_FOUND;
+ goto error;
+ }
+
+ uchan = caa_container_of(node, struct ltt_ust_channel, node);
+
+ nb_event += hashtable_get_count(uchan->events);
+
+ if (nb_event == 0) {
+ ret = nb_event;
+ goto error;
+ }
+
+ DBG3("Listing UST global %d events", nb_event);
+
+ tmp = zmalloc(nb_event * sizeof(struct lttng_event));
+ if (tmp == NULL) {
+ ret = -LTTCOMM_FATAL;
+ goto error;
+ }
+
+ cds_lfht_for_each_entry(uchan->events, &iter, uevent, node) {
+ strncpy(tmp[i].name, uevent->attr.name, LTTNG_SYMBOL_NAME_LEN);
+ tmp[i].name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0';
+ tmp[i].enabled = uevent->enabled;
+ switch (uevent->attr.instrumentation) {
+ case LTTNG_UST_TRACEPOINT:
+ tmp[i].type = LTTNG_EVENT_TRACEPOINT;
+ break;
+ case LTTNG_UST_PROBE:
+ tmp[i].type = LTTNG_EVENT_PROBE;
+ break;
+ case LTTNG_UST_FUNCTION:
+ tmp[i].type = LTTNG_EVENT_FUNCTION;
+ break;
+ case LTTNG_UST_TRACEPOINT_LOGLEVEL:
+ /* TODO */
+ ret = -LTTCOMM_NOT_IMPLEMENTED;
+ goto error;
+ break;
+ }
+ i++;
+ }
+
+ ret = nb_event;
+ *events = tmp;
+
+error:
+ rcu_read_unlock();
+ return ret;