| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- A D A . E X E C U T I O N _ T I M E . G R O U P _ B U D G E T S -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- This specification is derived from the Ada Reference Manual for use with -- |
| -- GNAT. In accordance with the copyright of that document, you can freely -- |
| -- copy and modify this specification, provided that if you redistribute a -- |
| -- modified version, any changes that you have made are clearly indicated. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- This unit is not implemented in typical GNAT implementations that lie on |
| -- top of operating systems, because it is infeasible to implement in such |
| -- environments. |
| |
| -- If a target environment provides appropriate support for this package, |
| -- then the Unimplemented_Unit pragma should be removed from this spec and |
| -- an appropriate body provided. |
| |
| with System; |
| |
| package Ada.Execution_Time.Group_Budgets is |
| pragma Preelaborate; |
| |
| pragma Unimplemented_Unit; |
| |
| type Group_Budget is tagged limited private; |
| |
| type Group_Budget_Handler is access |
| protected procedure (GB : in out Group_Budget); |
| |
| type Task_Array is |
| array (Positive range <>) of Ada.Task_Identification.Task_Id; |
| |
| Min_Handler_Ceiling : constant System.Any_Priority := |
| System.Any_Priority'First; |
| -- Initial value is an arbitrary choice ??? |
| |
| procedure Add_Task |
| (GB : in out Group_Budget; |
| T : Ada.Task_Identification.Task_Id); |
| |
| procedure Remove_Task |
| (GB : in out Group_Budget; |
| T : Ada.Task_Identification.Task_Id); |
| |
| function Is_Member |
| (GB : Group_Budget; |
| T : Ada.Task_Identification.Task_Id) return Boolean; |
| |
| function Is_A_Group_Member |
| (T : Ada.Task_Identification.Task_Id) return Boolean; |
| |
| function Members (GB : Group_Budget) return Task_Array; |
| |
| procedure Replenish |
| (GB : in out Group_Budget; |
| To : Ada.Real_Time.Time_Span); |
| |
| procedure Add |
| (GB : in out Group_Budget; |
| Interval : Ada.Real_Time.Time_Span); |
| |
| function Budget_Has_Expired (GB : Group_Budget) return Boolean; |
| |
| function Budget_Remaining |
| (GB : Group_Budget) return Ada.Real_Time.Time_Span; |
| |
| procedure Set_Handler |
| (GB : in out Group_Budget; |
| Handler : Group_Budget_Handler); |
| |
| function Current_Handler (GB : Group_Budget) return Group_Budget_Handler; |
| |
| procedure Cancel_Handler |
| (GB : in out Group_Budget; |
| Cancelled : out Boolean); |
| |
| Group_Budget_Error : exception; |
| |
| private |
| type Group_Budget is tagged limited null record; |
| end Ada.Execution_Time.Group_Budgets; |
