gcc/ada/s-mudido.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --                SYSTEM.MULTIPROCESSORS.DISPATCHING_DOMAINS                --
   6 --                                                                          --
   7 --                                  S p e c                                 --
   8 --                                                                          --
   9 -- This specification is derived from the Ada Reference Manual for use with --
  10 -- GNAT.  In accordance with the copyright of that document, you can freely --
  11 -- copy and modify this specification,  provided that if you redistribute a --
  12 -- modified version,  any changes that you have made are clearly indicated. --
  13 --                                                                          --
  14 ------------------------------------------------------------------------------
  15
  16 with Ada.Real_Time;
  17
  18 with Ada.Task_Identification;
  19
  20 private with System.Tasking;
  21
  22 package System.Multiprocessors.Dispatching_Domains is
  23    --  pragma Preelaborate (Dispatching_Domains);
  24    --  ??? According to AI 167 this unit should be preelaborate, but it cannot
  25    --  be preelaborate because it depends on Ada.Real_Time which is not
  26    --  preelaborate.
  27
  28    Dispatching_Domain_Error : exception;
  29
  30    type Dispatching_Domain (<>) is limited private;
  31
  32    System_Dispatching_Domain : constant Dispatching_Domain;
  33
  34    function Create (First, Last : CPU) return Dispatching_Domain;
  35
  36    function Get_First_CPU (Domain : Dispatching_Domain) return CPU;
  37
  38    function Get_Last_CPU (Domain : Dispatching_Domain) return CPU;
  39
  40    function Get_Dispatching_Domain
  41      (T : Ada.Task_Identification.Task_Id :=
  42             Ada.Task_Identification.Current_Task) return Dispatching_Domain;
  43
  44    procedure Assign_Task
  45      (Domain : in out Dispatching_Domain;
  46       CPU    : CPU_Range := Not_A_Specific_CPU;
  47       T      : Ada.Task_Identification.Task_Id :=
  48                  Ada.Task_Identification.Current_Task);
  49
  50    procedure Set_CPU
  51      (CPU : CPU_Range;
  52       T   : Ada.Task_Identification.Task_Id :=
  53               Ada.Task_Identification.Current_Task);
  54
  55    function Get_CPU
  56      (T : Ada.Task_Identification.Task_Id :=
  57             Ada.Task_Identification.Current_Task) return CPU_Range;
  58
  59    procedure Delay_Until_And_Set_CPU
  60      (Delay_Until_Time : Ada.Real_Time.Time;
  61       CPU              : CPU_Range);
  62
  63 private
  64    type Dispatching_Domain is new System.Tasking.Dispatching_Domain_Access;
  65
  66    System_Dispatching_Domain : constant Dispatching_Domain :=
  67                                  Dispatching_Domain
  68                                    (System.Tasking.System_Domain);
  69 end System.Multiprocessors.Dispatching_Domains;