Boot Space
Been working to extend the Shurly module - http://drupal.org/project/shurly
Written by jjeff to be fast on its redirect so it is run as early as possible in hook_boot.
Hook_init's big brother.
I was trying to get a built hook
module_invoke_all('shurly_redirect_before', $row);
to fire in my module. The only seeming way to get your modules into the boot space with ShURLy is to invoke hook_boot() or hook_exit(). This will be reflected as a True value in the db.system.boot.
My function looks like this: