annotate gcc/ada/libgnarl/a-etgrbu.ads @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT RUN-TIME COMPONENTS --
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4 -- --
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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 --
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6 -- --
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7 -- S p e c --
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8 -- --
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9 -- Copyright (C) 2015-2018, Free Software Foundation, Inc. --
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10 -- --
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11 -- This specification is derived from the Ada Reference Manual for use with --
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12 -- GNAT. The copyright notice above, and the license provisions that follow --
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13 -- apply solely to the contents of the part following the private keyword. --
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14 -- --
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15 -- GNAT is free software; you can redistribute it and/or modify it under --
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16 -- terms of the GNU General Public License as published by the Free Soft- --
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17 -- ware Foundation; either version 3, or (at your option) any later ver- --
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18 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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19 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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20 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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21 -- --
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22 -- As a special exception under Section 7 of GPL version 3, you are granted --
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23 -- additional permissions described in the GCC Runtime Library Exception, --
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24 -- version 3.1, as published by the Free Software Foundation. --
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25 -- --
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26 -- You should have received a copy of the GNU General Public License and --
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27 -- a copy of the GCC Runtime Library Exception along with this program; --
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28 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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29 -- <http://www.gnu.org/licenses/>. --
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30 -- --
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31 -- GNAT was originally developed by the GNAT team at New York University. --
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32 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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33 -- --
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34 ------------------------------------------------------------------------------
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35
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36 -- This unit is not implemented in typical GNAT implementations that lie on
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37 -- top of operating systems, because it is infeasible to implement in such
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38 -- environments.
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39
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40 -- If a target environment provides appropriate support for this package,
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41 -- then the Unimplemented_Unit pragma should be removed from this spec and
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42 -- an appropriate body provided.
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43
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44 with System;
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45 with System.Multiprocessors;
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46
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47 package Ada.Execution_Time.Group_Budgets is
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48 pragma Unimplemented_Unit;
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49
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50 type Group_Budget
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51 (CPU : System.Multiprocessors.CPU := System.Multiprocessors.CPU'First)
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52 is tagged limited private;
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53
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54 type Group_Budget_Handler is access
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55 protected procedure (GB : in out Group_Budget);
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56
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57 type Task_Array is
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58 array (Positive range <>) of Ada.Task_Identification.Task_Id;
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59
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60 Min_Handler_Ceiling : constant System.Any_Priority :=
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61 System.Any_Priority'First;
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62 -- Initial value is an arbitrary choice ???
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63
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64 procedure Add_Task
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65 (GB : in out Group_Budget;
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66 T : Ada.Task_Identification.Task_Id);
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67
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68 procedure Remove_Task
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69 (GB : in out Group_Budget;
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70 T : Ada.Task_Identification.Task_Id);
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71
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72 function Is_Member
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73 (GB : Group_Budget;
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74 T : Ada.Task_Identification.Task_Id) return Boolean;
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75
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76 function Is_A_Group_Member
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77 (T : Ada.Task_Identification.Task_Id) return Boolean;
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78
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79 function Members (GB : Group_Budget) return Task_Array;
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80
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81 procedure Replenish
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82 (GB : in out Group_Budget;
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83 To : Ada.Real_Time.Time_Span);
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84
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85 procedure Add
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86 (GB : in out Group_Budget;
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87 Interval : Ada.Real_Time.Time_Span);
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88
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89 function Budget_Has_Expired (GB : Group_Budget) return Boolean;
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90
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91 function Budget_Remaining
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92 (GB : Group_Budget) return Ada.Real_Time.Time_Span;
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93
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94 procedure Set_Handler
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95 (GB : in out Group_Budget;
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96 Handler : Group_Budget_Handler);
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97
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98 function Current_Handler (GB : Group_Budget) return Group_Budget_Handler;
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99
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100 procedure Cancel_Handler
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101 (GB : in out Group_Budget;
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102 Cancelled : out Boolean);
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103
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104 Group_Budget_Error : exception;
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105
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106 private
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107 type Group_Budget
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108 (CPU : System.Multiprocessors.CPU := System.Multiprocessors.CPU'First)
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109 is tagged limited null record;
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110 end Ada.Execution_Time.Group_Budgets;