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|---|---|---|
| fa5537cb AC |
1 | ------------------------------------------------------------------------------ |
| 2 | -- -- | |
| 3 | -- GNAT RUN-TIME COMPONENTS -- | |
| 4 | -- -- | |
| 5 | -- 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 -- | |
| 6 | -- -- | |
| 7 | -- S p e c -- | |
| 8 | -- -- | |
| 4b490c1e | 9 | -- Copyright (C) 2015-2020, Free Software Foundation, Inc. -- |
| c7d08ee6 | 10 | -- -- |
| fa5537cb | 11 | -- This specification is derived from the Ada Reference Manual for use with -- |
| c7d08ee6 AC |
12 | -- GNAT. The copyright notice above, and the license provisions that follow -- |
| 13 | -- apply solely to the contents of the part following the private keyword. -- | |
| 14 | -- -- | |
| 15 | -- GNAT is free software; you can redistribute it and/or modify it under -- | |
| 16 | -- terms of the GNU General Public License as published by the Free Soft- -- | |
| 17 | -- ware Foundation; either version 3, or (at your option) any later ver- -- | |
| 18 | -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- | |
| 19 | -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |
| 20 | -- or FITNESS FOR A PARTICULAR PURPOSE. -- | |
| 21 | -- -- | |
| 22 | -- As a special exception under Section 7 of GPL version 3, you are granted -- | |
| 23 | -- additional permissions described in the GCC Runtime Library Exception, -- | |
| 24 | -- version 3.1, as published by the Free Software Foundation. -- | |
| 25 | -- -- | |
| 26 | -- You should have received a copy of the GNU General Public License and -- | |
| 27 | -- a copy of the GCC Runtime Library Exception along with this program; -- | |
| 28 | -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- | |
| 29 | -- <http://www.gnu.org/licenses/>. -- | |
| 30 | -- -- | |
| 31 | -- GNAT was originally developed by the GNAT team at New York University. -- | |
| 32 | -- Extensive contributions were provided by Ada Core Technologies Inc. -- | |
| fa5537cb AC |
33 | -- -- |
| 34 | ------------------------------------------------------------------------------ | |
| 35 | ||
| 36 | -- This unit is not implemented in typical GNAT implementations that lie on | |
| 37 | -- top of operating systems, because it is infeasible to implement in such | |
| 38 | -- environments. | |
| 39 | ||
| 40 | -- If a target environment provides appropriate support for this package, | |
| 41 | -- then the Unimplemented_Unit pragma should be removed from this spec and | |
| 42 | -- an appropriate body provided. | |
| 43 | ||
| 44 | with System; | |
| c7d08ee6 | 45 | with System.Multiprocessors; |
| fa5537cb AC |
46 | |
| 47 | package Ada.Execution_Time.Group_Budgets is | |
| fa5537cb AC |
48 | pragma Unimplemented_Unit; |
| 49 | ||
| c7d08ee6 AC |
50 | type Group_Budget |
| 51 | (CPU : System.Multiprocessors.CPU := System.Multiprocessors.CPU'First) | |
| 52 | is tagged limited private; | |
| fa5537cb AC |
53 | |
| 54 | type Group_Budget_Handler is access | |
| 55 | protected procedure (GB : in out Group_Budget); | |
| 56 | ||
| 57 | type Task_Array is | |
| 58 | array (Positive range <>) of Ada.Task_Identification.Task_Id; | |
| 59 | ||
| 60 | Min_Handler_Ceiling : constant System.Any_Priority := | |
| 61 | System.Any_Priority'First; | |
| 62 | -- Initial value is an arbitrary choice ??? | |
| 63 | ||
| 64 | procedure Add_Task | |
| 65 | (GB : in out Group_Budget; | |
| 66 | T : Ada.Task_Identification.Task_Id); | |
| 67 | ||
| 68 | procedure Remove_Task | |
| 69 | (GB : in out Group_Budget; | |
| 70 | T : Ada.Task_Identification.Task_Id); | |
| 71 | ||
| 72 | function Is_Member | |
| 73 | (GB : Group_Budget; | |
| 74 | T : Ada.Task_Identification.Task_Id) return Boolean; | |
| 75 | ||
| 76 | function Is_A_Group_Member | |
| 77 | (T : Ada.Task_Identification.Task_Id) return Boolean; | |
| 78 | ||
| 79 | function Members (GB : Group_Budget) return Task_Array; | |
| 80 | ||
| 81 | procedure Replenish | |
| 82 | (GB : in out Group_Budget; | |
| 83 | To : Ada.Real_Time.Time_Span); | |
| 84 | ||
| 85 | procedure Add | |
| 86 | (GB : in out Group_Budget; | |
| 87 | Interval : Ada.Real_Time.Time_Span); | |
| 88 | ||
| 89 | function Budget_Has_Expired (GB : Group_Budget) return Boolean; | |
| 90 | ||
| 91 | function Budget_Remaining | |
| 92 | (GB : Group_Budget) return Ada.Real_Time.Time_Span; | |
| 93 | ||
| 94 | procedure Set_Handler | |
| 95 | (GB : in out Group_Budget; | |
| 96 | Handler : Group_Budget_Handler); | |
| 97 | ||
| 98 | function Current_Handler (GB : Group_Budget) return Group_Budget_Handler; | |
| 99 | ||
| 100 | procedure Cancel_Handler | |
| 101 | (GB : in out Group_Budget; | |
| 102 | Cancelled : out Boolean); | |
| 103 | ||
| 104 | Group_Budget_Error : exception; | |
| 105 | ||
| 106 | private | |
| c7d08ee6 AC |
107 | type Group_Budget |
| 108 | (CPU : System.Multiprocessors.CPU := System.Multiprocessors.CPU'First) | |
| 109 | is tagged limited null record; | |
| fa5537cb | 110 | end Ada.Execution_Time.Group_Budgets; |