37         if (!$this->lock())
178         if (!$this->lock())
276         if (!$this->lock()) return 'locked';
322         if (!$this->lock()) return 'locked';
382         if (!$this->lock())
460         if (!$this->lock()) return false;
554         if (!$this->lock())
944     protected function lock()  function in dokuwiki\\Search\\Indexer
949         $lock = $conf['lockdir'] . '/_indexer.lock';
950         while (!@mkdir($lock)) {
952             if (is_dir($lock) && time() - @filemtime($lock) > 60 * 5) {
954                 if (!@rmdir($lock)) {
966             chmod($lock, $conf['dperm']);