Libevent 函数
PHP Manual

event_base_priority_init

(PECL libevent >= 0.0.2)

event_base_priority_initSet the number of event priority levels

说明

bool event_base_priority_init ( resource $event_base , int $npriorities )

Sets the number of different event priority levels.

By default all events are scheduled with the same priority (npriorities/2). Using event_base_priority_init() you can change the number of event priority levels and then set a desired priority for each event.

参数

event_base

Valid event base resource.

npriorities

The number of event priority levels.

返回值

event_base_priority_init() returns TRUE on success or FALSE on error.


Libevent 函数
PHP Manual