Event::signal

(PECL event >= 1.2.6-beta)

Event::signal — Constructs signal event object

说明

public static Event Event::signal ( EventBase $base , int $signum , callable $cb [, mixed $arg ] )

Constructs signal event object. This is a straightforward method to create a signal event. Note, the generic Event::__construct() method can contruct signal event objects too.

参数

base: The associated event base object.
signum: The signal number.
cb: The signal event callback. See Event callbacks .
arg: Custom data. If specified, it will be passed to the callback when event triggers.

返回值

Returns Event object on success. Otherwise FALSE.

参见

Constructing signal events