NonStopableProcess.php

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<?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.
 */
 
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();
}