/**
* Shut down the mutex client.
*
* Be sure to release all locks you acquired before,
* so other clients will be able to acquire them.
*
* @return Promise
*/
public function shutdown() : Promise
{
cancel($this->watcher);
$promises = [$this->std->close()];
foreach ($this->busyConnections as $connection) {
$promises[] = $connection->close();
}
foreach ($this->readyConnections as list($time, $connection)) {
$promises[] = $connection->close();
}
return all($promises);
}
/**
* {@inheritdoc}
*/
public function del($key)
{
return $this->client->del($key);
}