php使用goto实现自动重启swoole、reactphp、workerman服

<?php

//index.php

require './vendor/autoload.php';

Restart:

$pid = ptl_fork();

if ($pid > 0) {
  $fd = inotify_init();
  $watch_descriptor = inotify_add_watch($fd, './src/', IN_MODIFY);

  $events = inotify_read($fd);

  posix_kill($pid, SIGTERM);
  
  fclose($fd);

  ptl_wait($status);

  goto Restart;
} elseif ($pid == 0) {
  \Church\Application::run();
} else {
  exit(0);
}

<?php
namespace Church;

/**
use Psr\Http\Message\ServerRequestInterface;
use React\Http\Response;
use React\Http\Server;
**/

class Application
{
  public static function run()
  {
  /**
    $loop = \React\EventLoop\Factory::create();

    $loop->addSignal(SIGTERM, function() use ($loop) {
      $loop->s();
    });

    $server = new Server(function (ServerRequestInterface $request) {

      return new Response(
        200,
        array(
          'Content-Type' => 'text/plain'
        ),
        "Hello World1!\n"
      );
    });

    $socket = new \React\Socket\Server(8080, $loop);
    $server->listen($socket);

    $loop->run();
  **/
    //高性能HTTP服务器
    $http = new \Swoole\Http\Server("127.0.0.1", 9501);

    $http->on("start", function ($server) {
      echo "Swoole http server is started at http://127.0.0.1:9501\n";
    });

    $http->on("request", function ($request, $response) {
      $response->header("Content-Type", "text/plain");
      $response->end("Hello World1\n");
    });

    $http->start();

  }
}