<?php /** * 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 "received signal $name\n"; } declare(ticks = 1); pcntl_signal(SIGTERM, 'handleSignal'); pcntl_signal(SIGINT, 'handleSignal'); $duration = isset($argv[1]) ? (int) $argv[1] : 3; $start = microtime(true); while ($duration > (microtime(true) - $start)) { usleep(1000); }