(PECL libevent >= 0.0.5)
event_priority_set — Assign a priority to an event
$event
, int $priority
) : bool
Assign a priority to the event.
eventValid event resource.
priorityPriority level. Cannot be less than zero and cannot exceed maximum priority level of the event base (see event_base_priority_init()).
�ɹ�ʱ���� TRUE�� ������ʧ��ʱ���� FALSE��