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<Swoole\Process::readSwoole\Process::start>
^Swoole\ProcessLast updated: Mon, 26 Oct 2026

Swoole\Process::signal

(PECL swoole >= 1.9.0)

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

Description

public static function 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.


<Swoole\Process::readSwoole\Process::start>
^Swoole\ProcessLast updated: Mon, 26 Oct 2026