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    Swoole\Process::signal

    (PECL swoole >= 1.9.0)

    Swoole\Process::signal — Send signal to the child processes.

    Description

    public static Swoole\Process::signal(string $signal_no, callable $callback): void

    Parameters

    signal_no

    callback

    Return Values

    If signal sent successfully, it returns TRUE, otherwise it returns FALSE.

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