Ocamlnet 3 Reference Manual : Netmcore_process

`sig
type 'a fork_point
type 'a join_point
val def_process :
('a -> 'b) ->
'a Netmcore_process.fork_point * 'b Netmcore_process.join_point
val start :
?inherit_resources:Netmcore.inherit_request ->
'a Netmcore_process.fork_point -> 'a -> Netmcore.process_id
val join :
'a Netmcore_process.join_point -> Netmcore.process_id -> 'a option
val release_fork_point : 'a Netmcore_process.fork_point -> unit
val release_join_point : 'a Netmcore_process.join_point -> unit
end`