1/2
The category determined for a formal interface type is the category of all interface types.
2/2
formal_interface_type_definition::= interface_type_definition
3/2
The actual type shall be a descendant of every progenitor of the formal type.
4/2
The actual type shall be a limited, task, protected, or synchronized interface if and only if the formal type is also, respectively, a limited, task, protected, or synchronized interface.
5/2
type Root_Work_Item is tagged private;
6/2
generic
type Managed_Task is task interface;
type Work_Item(<>) is new Root_Work_Item with private;
package Server_Manager is
task type Server is new Managed_Task with
entry Start(Data : in out Work_Item);
end Server;
end Server_Manager;
7/2
This generic allows an application to establish a standard interface that all tasks need to implement so they can be managed appropriately by an application−specific scheduler.