The EventConfig class

(PECL event >= 1.2.6-beta)

简介

Represents configuration structure which could be used in construction of the EventBase .

final EventConfig {

/* Constants */

const integer FEATURE_ET = 1 ;

const integer FEATURE_O1 = 2 ;

const integer FEATURE_FDS = 4 ;

/* 方法 */

public bool avoidMethod ( string $method )

public __construct ( void )

public bool requireFeatures ( int $feature )

public void setMaxDispatchInterval ( int $max_interval , int $max_callbacks , int $min_priority )

}

EventConfig::FEATURE_ET: Requires a backend method that supports edge-triggered I/O.
EventConfig::FEATURE_O1: Requires a backend method where adding or deleting a single event, or having a single event become active, is an O(1) operation.
EventConfig::FEATURE_FDS: Requires a backend method that can support arbitrary file descriptor types, and not just sockets.

EventConfig::avoidMethod — Tells libevent to avoid specific event method
EventConfig::__construct — Constructs EventConfig object
EventConfig::requireFeatures — Enters a required event method feature that the application demands
EventConfig::setMaxDispatchInterval — Prevents priority inversion

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