59 lines
1.7 KiB
PHP
59 lines
1.7 KiB
PHP
<?php
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/**
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* Resource locking handling.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup LockManager
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*/
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/**
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* Simple version of LockManager that only does lock reference counting
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* @since 1.19
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*/
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class NullLockManager extends LockManager {
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protected function doLock( array $paths, $type ) {
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foreach ( $paths as $path ) {
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if ( isset( $this->locksHeld[$path][$type] ) ) {
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++$this->locksHeld[$path][$type];
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} else {
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$this->locksHeld[$path][$type] = 1;
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}
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}
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return StatusValue::newGood();
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}
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protected function doUnlock( array $paths, $type ) {
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$status = StatusValue::newGood();
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foreach ( $paths as $path ) {
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if ( isset( $this->locksHeld[$path][$type] ) ) {
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if ( --$this->locksHeld[$path][$type] <= 0 ) {
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unset( $this->locksHeld[$path][$type] );
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if ( !$this->locksHeld[$path] ) {
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unset( $this->locksHeld[$path] ); // clean up
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}
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}
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} else {
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$status->warning( 'lockmanager-notlocked', $path );
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}
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}
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return $status;
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}
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}
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