3 * StatusNet, the distributed open-source microblogging tool
5 * i/o manager to watch for a dead parent process
9 * LICENCE: This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Affero General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Affero General Public License for more details.
19 * You should have received a copy of the GNU Affero General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 * @category QueueManager
24 * @author Brion Vibber <brion@status.net>
25 * @copyright 2010 StatusNet, Inc.
26 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
27 * @link http://status.net/
30 class ProcessManager extends IoManager
34 public static function get()
36 throw new Exception("Must pass ProcessManager per-instance");
39 public function __construct($socket)
41 $this->socket = $socket;
45 * Tell the i/o queue master if and how we can handle multi-site
49 * IoManager::SINGLE_ONLY
50 * IoManager::INSTANCE_PER_SITE
51 * IoManager::INSTANCE_PER_PROCESS
53 public static function multiSite()
55 return IoManager::INSTANCE_PER_PROCESS;
59 * We won't get any input on it, but if it's broken we'll
60 * know something's gone horribly awry.
62 * @return array of resources
66 return array($this->socket);
70 * See if the parent died and request a shutdown...
72 * @param resource $socket
73 * @return boolean success
75 function handleInput($socket)
78 common_log(LOG_INFO, "Parent process exited; shutting down child.");
79 $this->master->requestShutdown();