3 calls to lock_wait()

menu_rebuild in includes/menu.inc
Populates the database tables used by various menu functions.
registry_update in includes/bootstrap.inc
Updates the registry based on the latest files listed in the database.
variable_initialize in includes/bootstrap.inc
Loads the persistent variable table.

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.