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   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  
  12  pcntl_signal(\SIGUSR1, function () { echo 'SIGUSR1'; exit; });
  13  
  14  echo 'Caught ';
  15  
  16  $n = 0;
  17  
  18  while ($n++ < 400) {
  19      usleep(10000);
  20      pcntl_signal_dispatch();
  21  }