Libevent 函数
PHP Manual

event_priority_set

(PECL libevent >= 0.0.5)

event_priority_setAssign a priority to an event.

说明

bool event_priority_set ( resource $event , int $priority )

Assign a priority to the event.

参数

event

Valid event resource.

priority

Priority level. Cannot be less than zero and cannot exceed maximum priority level of the event base (see event_base_priority_init()).

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE


Libevent 函数
PHP Manual