--- /dev/null
+<?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.
+ */
+
+/**
+ * Runs a PHP script that can be stopped only with a SIGKILL (9) signal for 3 seconds.
+ *
+ * @args duration Run this script with a custom duration
+ *
+ * @example `php NonStopableProcess.php 42` will run the script for 42 seconds
+ */
+function handleSignal($signal)
+{
+ switch ($signal) {
+ case SIGTERM:
+ $name = 'SIGTERM';
+ break;
+ case SIGINT:
+ $name = 'SIGINT';
+ break;
+ default:
+ $name = $signal.' (unknown)';
+ break;
+ }
+
+ echo "signal $name\n";
+}
+
+pcntl_signal(SIGTERM, 'handleSignal');
+pcntl_signal(SIGINT, 'handleSignal');
+
+echo 'received ';
+
+$duration = isset($argv[1]) ? (int) $argv[1] : 3;
+$start = microtime(true);
+
+while ($duration > (microtime(true) - $start)) {
+ usleep(10000);
+ pcntl_signal_dispatch();
+}