1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110 | ------------------------------------------------------------------------------
-- --
-- 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 --
-- --
-- Copyright (C) 2015-2023, Free Software Foundation, Inc. --
-- --
-- This specification is derived from the Ada Reference Manual for use with --
-- GNAT. The copyright notice above, and the license provisions that follow --
-- apply solely to the contents of the part following the private keyword. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception, --
-- version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- 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;
with System.Multiprocessors;
package Ada.Execution_Time.Group_Budgets is
pragma Unimplemented_Unit;
type Group_Budget
(CPU : System.Multiprocessors.CPU := System.Multiprocessors.CPU'First)
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
(CPU : System.Multiprocessors.CPU := System.Multiprocessors.CPU'First)
is tagged limited null record;
end Ada.Execution_Time.Group_Budgets;
|