public function beforeCommand($name, $params = null)
{
$storageDir = Settings::get(Settings::PATH);
if (!is_dir($storageDir) || !is_readable($storageDir) || !is_writable($storageDir)) {
throw new Exception(sprintf('Directory %s is not accessible', $storageDir));
}
$attempts = 3;
while (--$attempts) {
if (!$this->isLocked()) {
return parent::beforeCommand($name, $params);
}
usleep(2);
}
throw new Exception('Could Not Attempt lock');
}
