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

public DatabaseLockBackend::lockMayBeAvailable($name)

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

Defines the persistent database lock backend. This backend is global for this Drupal installation. Hierarchy

Defines a Null lock backend. This implementation won't actually lock anything and will always succeed on lock attempts.

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

public LockBackendInterface::releaseAll($lockId = NULL)

public LockBackendInterface::getLockId()

The database connection. Type:

public NullLockBackend::lockMayBeAvailable($name)