Event::signal

    (PECL event >= 1.2.6-beta)

    Event::signal — Constructs 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.

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