Swoole\Process::signal

(PHP 5 >= 5.2.0, PHP 7, PECL swoole >= 1.9.0)

Swoole\Process::signalSend signal to the child processes.

说锟斤拷

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

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signal_no

callback

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