struct lttng_ht_node_ulong *node;
struct lttng_ht_iter iter;
lttng_ht_lookup(ust_app_ht, (void *) ((unsigned long) pid), &iter);
node = lttng_ht_iter_get_node_ulong(&iter);
struct lttng_ht_node_ulong *node;
struct lttng_ht_iter iter;
lttng_ht_lookup(ust_app_ht, (void *) ((unsigned long) pid), &iter);
node = lttng_ht_iter_get_node_ulong(&iter);