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Event::signal

(PECL event >= 1.2.6-beta)

Event::signalConstructs signal event object


说明

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.


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.