# event_base_priority_init

(PECL libevent >= 0.0.2)

event_base_priority_init — Set the number of event priority levels

### 说明

event_base_priority_init ( resource `$event_base` , int `$npriorities` ) : bool

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.