63 lines
No EOL
1.7 KiB
PHP
63 lines
No EOL
1.7 KiB
PHP
<?php
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/**
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library 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
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCP\Files;
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/**
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* Class Lock
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* @package OC\Files
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*/
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interface Lock {
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const READ = 1;
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const WRITE = 2;
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/**
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* Constructor for the lock instance
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* @param string $path Absolute pathname for a local file on which to obtain a lock
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*/
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public function __construct($path);
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/**
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* Add a lock of a specific type to the stack
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* @param integer $lockType A constant representing the type of lock to queue
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* @param null|resource $existingHandle An existing file handle from an fopen()
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* @throws LockNotAcquiredException
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*/
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public function addLock($lockType, $existingHandle = null);
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/**
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* Release locks on handles and files
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*/
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public function release($lockType);
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/**
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* Get the lock file associated to a file
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* @param string $filename The filename of the file to create a lock file for
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* @return string The filename of the lock file
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*/
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public static function getLockFile($filename);
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/**
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* Release all queued locks on the file
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* @return bool
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*/
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public function releaseAll();
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} |