Find out about Solaris contract

[NWilson]

[NWilson]

OK, so the active "contract template" is a thing that says what happens on the next fork. We set a template pre-fork (ct_tmpl_create, ct_tmpl_activate), then post-fork do some nonsense to get an fd to the contract we just spawned so we can abandon it and have it reparented to the top level.