ENQUEUE
ENQUEUE(task->events, event, ev_link);
ENQUEUE(task->events, event, ev_link);
ENQUEUE(*events, event, ev_link);
ENQUEUE(manager->ready_tasks, task, ready_link);
ENQUEUE(manager->ready_priority_tasks, task,
ENQUEUE(new_ready_tasks, task, ready_link);
ENQUEUE(new_priority_tasks, task,
ENQUEUE(&aux, l->node);