while ((event = future_evt_set->pop_leq(next_event_date, &value, &resource))) {
if (resource->isUsed() || xbt_dict_get_or_null(watched_hosts_lib, resource->getName())) {
time_delta = next_event_date - NOW;
while ((event = future_evt_set->pop_leq(next_event_date, &value, &resource))) {
if (resource->isUsed() || xbt_dict_get_or_null(watched_hosts_lib, resource->getName())) {
time_delta = next_event_date - NOW;