35 lines
956 B
Ada
35 lines
956 B
Ada
with Ada.Finalization;
|
|
|
|
generic
|
|
type Item_Type is private;
|
|
-- type Pointer_Type is access Item_Type;
|
|
package H3.MM is
|
|
type Item_Pointer is access all Item_Type;
|
|
|
|
type Ref_Counted_Record is record
|
|
--Refs: System.Atomic_Counters.Atomic_Counter;
|
|
Refs: System_Size;
|
|
Item: aliased Item_Type;
|
|
end record;
|
|
|
|
type Ref_Counted_Pointer is access Ref_Counted_Record;
|
|
|
|
type Ref_Counted is new Ada.Finalization.Controlled with record
|
|
Data: Ref_Counted_Pointer;
|
|
end record;
|
|
|
|
procedure Create (R: in out Ref_Counted);
|
|
procedure Create (R: in out Ref_Counted; V: in Item_Type);
|
|
|
|
function Get_Item_Pointer (R: in Ref_Counted) return Item_Pointer;
|
|
pragma Inline(Get_Item_Pointer);
|
|
|
|
function Is_Shared (R: in Ref_Counted) return Standard.Boolean;
|
|
pragma Inline(Is_Shared);
|
|
|
|
overriding procedure Initialize (R: in out Ref_Counted);
|
|
overriding procedure Adjust (R: in out Ref_Counted);
|
|
overriding procedure Finalize (R: in out Ref_Counted);
|
|
|
|
end H3.MM;
|