Event::signal

(PECL event >= 1.2.6-beta)

Event::signal — Constructs signal event object

Description

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

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.

Parameters

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.

Return Values

Returns Event object on success. Otherwise false.