1<?php 2 3/* 4 * This file is part of the Symfony package. 5 * 6 * (c) Fabien Potencier <fabien@symfony.com> 7 * 8 * For the full copyright and license information, please view the LICENSE 9 * file that was distributed with this source code. 10 */ 11 12pcntl_signal(\SIGUSR1, function () { echo 'SIGUSR1'; exit; }); 13 14echo 'Caught '; 15 16$n = 0; 17 18while ($n++ < 400) { 19 usleep(10000); 20 pcntl_signal_dispatch(); 21} 22