/**
* Lock the database file
*
* @return boolean
*/
private static function lock()
{
if (self::$currentlylocked === false) {
self::$authFileP = fopen(self::$authFile, "a+");
if (flock(self::$authFileP, LOCK_EX)) {
self::$currentlylocked = true;
} else {
throw new Exception('Unable to lock file');
}
}
return true;
}
