AbstractPipes.php in Zircon Profile 8

Namespace

Symfony\Component\Process\Pipes

File

vendor/symfony/process/Pipes/AbstractPipes.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\Process\Pipes;


/**
 * @author Romain Neutron <[e-mail]>
 *
 * @internal
 */
abstract class AbstractPipes implements PipesInterface {

  /** @var array */
  public $pipes = array();

  /** @var string */
  protected $inputBuffer = '';

  /** @var resource|null */
  protected $input;

  /** @var bool */
  private $blocked = true;

  /**
   * {@inheritdoc}
   */
  public function close() {
    foreach ($this->pipes as $pipe) {
      fclose($pipe);
    }
    $this->pipes = array();
  }

  /**
   * Returns true if a system call has been interrupted.
   *
   * @return bool
   */
  protected function hasSystemCallBeenInterrupted() {
    $lastError = error_get_last();

    // stream_select returns false when the `select` system call is interrupted by an incoming signal
    return isset($lastError['message']) && false !== stripos($lastError['message'], 'interrupted system call');
  }

  /**
   * Unblocks streams.
   */
  protected function unblock() {
    if (!$this->blocked) {
      return;
    }
    foreach ($this->pipes as $pipe) {
      stream_set_blocking($pipe, 0);
    }
    if (null !== $this->input) {
      stream_set_blocking($this->input, 0);
    }
    $this->blocked = false;
  }

}

Classes

Name	Description
AbstractPipes	@author Romain Neutron <[e-mail]>