Php/docs/swoole-process.signal
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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.