public LockBackendInterface::acquire($name, $timeout = 30

public LockBackendInterface::releaseAll($lockId = NULL)

public LockBackendInterface::getLockId()

public LockBackendInterface::release($name)

public LockBackendInterface::lockMayBeAvailable($name)

public LockBackendInterface::wait($name, $delay = 30)

Lock backend interface. Hierarchy interface \Drupal\Core\Lock\

Functions to coordinate long-running operations across requests. In most environments, multiple Drupal page requests (a.k.a. threads or processes)