SignalableCommandInterface.php

<?php


/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\Console\Command;


/**
 * Interface for command reacting to signal.
 *
 * @author Grégoire Pineau <lyrixx@lyrix.info>
 */
interface SignalableCommandInterface {
    
    /**
     * Returns the list of signals to subscribe.
     */
    public function getSubscribedSignals() : array;
    
    /**
     * The method will be called when the application is signaled.
     *
     * @return int|false The exit code to return or false to continue the normal execution
     */
    public function handleSignal(int $signal, int|false $previousExitCode = 0) : int|false;

}