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Direktori : /opt/cloudlinux/alt-php53/root/usr/share/pear/PHP/ |
Current File : //opt/cloudlinux/alt-php53/root/usr/share/pear/PHP/Invoker.php |
<?php declare(ticks = 1); /** * PHP_Invoker * * Copyright (c) 2011-2013, Sebastian Bergmann <sebastian@phpunit.de>. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * * Neither the name of Sebastian Bergmann nor the names of his * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package PHP * @subpackage Invoker * @author Sebastian Bergmann <sebastian@phpunit.de> * @copyright 2011-2013 Sebastian Bergmann <sebastian@phpunit.de> * @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License * @link http://github.com/sebastianbergmann/php-invoker * @since File available since Release 1.0.0 */ /** * Utility class for invoking callables with a timeout. * * @package PHP * @subpackage Invoker * @author Sebastian Bergmann <sebastian@phpunit.de> * @copyright 2011-2013 Sebastian Bergmann <sebastian@phpunit.de> * @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License * @version Release: 1.1.3 * @link http://github.com/sebastianbergmann/php-invoker * @since Class available since Release 1.0.0 */ class PHP_Invoker { /** * @var integer */ protected $timeout; /** * Invokes a callable and raises an exception when the execution does not * finish before the specified timeout. * * @param callable $callable * @param array $arguments * @param integer $timeout in seconds * @return mixed * @throws InvalidArgumentException */ public function invoke($callable, array $arguments, $timeout) { if (!is_callable($callable)) { throw new InvalidArgumentException; } if (!is_integer($timeout)) { throw new InvalidArgumentException; } pcntl_signal(SIGALRM, array($this, 'callback'), TRUE); pcntl_alarm($timeout); $this->timeout = $timeout; try { $result = call_user_func_array($callable, $arguments); } catch (Exception $e) { pcntl_alarm(0); throw $e; } pcntl_alarm(0); return $result; } /** * Invoked by pcntl_signal() when a SIGALRM occurs. */ public function callback() { throw new PHP_Invoker_TimeoutException( sprintf( 'Execution aborted after %s', PHP_Timer::secondsToTimeString($this->timeout) ) ); } }