forked from GNUsocial/gnu-social
85 lines
2.3 KiB
PHP
85 lines
2.3 KiB
PHP
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<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* i/o manager to watch for a dead parent process
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category QueueManager
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* @package StatusNet
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* @author Brion Vibber <brion@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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class ProcessManager extends IoManager
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{
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protected $socket;
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public static function get()
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{
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throw new Exception("Must pass ProcessManager per-instance");
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}
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public function __construct($socket)
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{
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$this->socket = $socket;
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}
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/**
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* Tell the i/o queue master if and how we can handle multi-site
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* processes.
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*
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* Return one of:
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* IoManager::SINGLE_ONLY
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* IoManager::INSTANCE_PER_SITE
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* IoManager::INSTANCE_PER_PROCESS
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*/
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public static function multiSite()
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{
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return IoManager::INSTANCE_PER_PROCESS;
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}
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/**
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* We won't get any input on it, but if it's broken we'll
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* know something's gone horribly awry.
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*
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* @return array of resources
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*/
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function getSockets()
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{
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return array($this->socket);
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}
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/**
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* See if the parent died and request a shutdown...
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*
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* @param resource $socket
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* @return boolean success
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*/
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function handleInput($socket)
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{
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if (feof($socket)) {
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common_log(LOG_INFO, "Parent process exited; shutting down child.");
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$this->master->requestShutdown();
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}
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return true;
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}
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}
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