Andrew Nicols 5bc4c797a7 MDL-59506 core_lock: use a null lock during install ...

Use a different lock factory during installation which does not actually
lock at all.

2017-08-07 09:59:44 +08:00

..

db_record_lock_factory.php

…

file_lock_factory.php

…

installation_lock_factory.php

…

lock_config.php

…

lock_factory.php

…

lock.php

…

postgres_lock_factory.php

…