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+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- SYSTEM.MULTIPROCESSORS.DISPATCHING_DOMAINS --
+-- --
+-- 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. --
+-- --
+------------------------------------------------------------------------------
+
+with Ada.Real_Time;
+
+with Ada.Task_Identification;
+
+private with System.Tasking;
+
+package System.Multiprocessors.Dispatching_Domains is
+ -- pragma Preelaborate (Dispatching_Domains);
+ -- ??? According to AI 167 this unit should be preelaborate, but it cannot
+ -- be preelaborate because it depends on Ada.Real_Time which is not
+ -- preelaborate.
+
+ Dispatching_Domain_Error : exception;
+
+ type Dispatching_Domain (<>) is limited private;
+
+ System_Dispatching_Domain : constant Dispatching_Domain;
+
+ function Create (First, Last : CPU) return Dispatching_Domain;
+
+ function Get_First_CPU (Domain : Dispatching_Domain) return CPU;
+
+ function Get_Last_CPU (Domain : Dispatching_Domain) return CPU;
+
+ function Get_Dispatching_Domain
+ (T : Ada.Task_Identification.Task_Id :=
+ Ada.Task_Identification.Current_Task) return Dispatching_Domain;
+
+ procedure Assign_Task
+ (Domain : in out Dispatching_Domain;
+ CPU : CPU_Range := Not_A_Specific_CPU;
+ T : Ada.Task_Identification.Task_Id :=
+ Ada.Task_Identification.Current_Task);
+
+ procedure Set_CPU
+ (CPU : CPU_Range;
+ T : Ada.Task_Identification.Task_Id :=
+ Ada.Task_Identification.Current_Task);
+
+ function Get_CPU
+ (T : Ada.Task_Identification.Task_Id :=
+ Ada.Task_Identification.Current_Task) return CPU_Range;
+
+ procedure Delay_Until_And_Set_CPU
+ (Delay_Until_Time : Ada.Real_Time.Time;
+ CPU : CPU_Range);
+
+private
+ type Dispatching_Domain is new System.Tasking.Dispatching_Domain_Access;
+
+ System_Dispatching_Domain : constant Dispatching_Domain :=
+ Dispatching_Domain
+ (System.Tasking.System_Domain);
+end System.Multiprocessors.Dispatching_Domains;