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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- SYSTEM.MULTIPROCESSORS.DISPATCHING_DOMAINS --
-- --
-- B o d y --
-- --
-- Copyright (C) 2011, Free Software Foundation, Inc. --
-- --
-- GNARL 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/>. --
-- --
-- GNARL was developed by the GNARL team at Florida State University. --
-- Extensive contributions were provided by Ada Core Technologies, Inc. --
-- --
------------------------------------------------------------------------------
-- Body used on unimplemented targets, where the operating system does not
-- support setting task affinities.
package body System.Multiprocessors.Dispatching_Domains is
-----------------------
-- Local subprograms --
-----------------------
procedure Freeze_Dispatching_Domains;
pragma Export
(Ada, Freeze_Dispatching_Domains, "__gnat_freeze_dispatching_domains");
-- Signal the time when no new dispatching domains can be created. It
-- should be called before the environment task calls the main procedure
-- (and after the elaboration code), so the binder-generated file needs to
-- import and call this procedure.
-----------------
-- Assign_Task --
-----------------
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)
is
pragma Unreferenced (Domain, CPU, T);
begin
raise Dispatching_Domain_Error with "dispatching domains not supported";
end Assign_Task;
------------
-- Create --
------------
function Create (First, Last : CPU) return Dispatching_Domain is
pragma Unreferenced (First, Last);
begin
raise Dispatching_Domain_Error with "dispatching domains not supported";
return System_Dispatching_Domain;
end Create;
-----------------------------
-- Delay_Until_And_Set_CPU --
-----------------------------
procedure Delay_Until_And_Set_CPU
(Delay_Until_Time : Ada.Real_Time.Time;
CPU : CPU_Range)
is
pragma Unreferenced (Delay_Until_Time, CPU);
begin
raise Dispatching_Domain_Error with "dispatching domains not supported";
end Delay_Until_And_Set_CPU;
--------------------------------
-- Freeze_Dispatching_Domains --
--------------------------------
procedure Freeze_Dispatching_Domains is
begin
null;
end Freeze_Dispatching_Domains;
-------------
-- Get_CPU --
-------------
function Get_CPU
(T : Ada.Task_Identification.Task_Id :=
Ada.Task_Identification.Current_Task) return CPU_Range
is
pragma Unreferenced (T);
begin
return Not_A_Specific_CPU;
end Get_CPU;
----------------------------
-- Get_Dispatching_Domain --
----------------------------
function Get_Dispatching_Domain
(T : Ada.Task_Identification.Task_Id :=
Ada.Task_Identification.Current_Task) return Dispatching_Domain
is
pragma Unreferenced (T);
begin
return System_Dispatching_Domain;
end Get_Dispatching_Domain;
-------------------
-- Get_First_CPU --
-------------------
function Get_First_CPU (Domain : Dispatching_Domain) return CPU is
pragma Unreferenced (Domain);
begin
return CPU'First;
end Get_First_CPU;
------------------
-- Get_Last_CPU --
------------------
function Get_Last_CPU (Domain : Dispatching_Domain) return CPU is
pragma Unreferenced (Domain);
begin
return Number_Of_CPUs;
end Get_Last_CPU;
-------------
-- Set_CPU --
-------------
procedure Set_CPU
(CPU : CPU_Range;
T : Ada.Task_Identification.Task_Id :=
Ada.Task_Identification.Current_Task)
is
pragma Unreferenced (CPU, T);
begin
raise Dispatching_Domain_Error with "dispatching domains not supported";
end Set_CPU;
end System.Multiprocessors.Dispatching_Domains;
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