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jeremybenn |
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- SYSTEM.MULTIPROCESSORS.DISPATCHING_DOMAINS --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 2011, Free Software Foundation, Inc. --
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-- --
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-- GNARL is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNARL was developed by the GNARL team at Florida State University. --
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-- Extensive contributions were provided by Ada Core Technologies, Inc. --
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-- --
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------------------------------------------------------------------------------
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-- Body used on unimplemented targets, where the operating system does not
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-- support setting task affinities.
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package body System.Multiprocessors.Dispatching_Domains is
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-----------------------
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-- Local subprograms --
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-----------------------
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procedure Freeze_Dispatching_Domains;
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pragma Export
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(Ada, Freeze_Dispatching_Domains, "__gnat_freeze_dispatching_domains");
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-- Signal the time when no new dispatching domains can be created. It
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-- should be called before the environment task calls the main procedure
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-- (and after the elaboration code), so the binder-generated file needs to
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-- import and call this procedure.
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-----------------
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-- Assign_Task --
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-----------------
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procedure Assign_Task
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(Domain : in out Dispatching_Domain;
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CPU : CPU_Range := Not_A_Specific_CPU;
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T : Ada.Task_Identification.Task_Id :=
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Ada.Task_Identification.Current_Task)
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is
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pragma Unreferenced (Domain, CPU, T);
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begin
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raise Dispatching_Domain_Error with "dispatching domains not supported";
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end Assign_Task;
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------------
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-- Create --
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------------
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function Create (First, Last : CPU) return Dispatching_Domain is
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pragma Unreferenced (First, Last);
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begin
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raise Dispatching_Domain_Error with "dispatching domains not supported";
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return System_Dispatching_Domain;
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end Create;
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-----------------------------
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-- Delay_Until_And_Set_CPU --
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-----------------------------
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procedure Delay_Until_And_Set_CPU
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(Delay_Until_Time : Ada.Real_Time.Time;
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CPU : CPU_Range)
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is
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pragma Unreferenced (Delay_Until_Time, CPU);
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begin
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raise Dispatching_Domain_Error with "dispatching domains not supported";
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end Delay_Until_And_Set_CPU;
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--------------------------------
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-- Freeze_Dispatching_Domains --
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--------------------------------
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procedure Freeze_Dispatching_Domains is
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begin
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null;
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end Freeze_Dispatching_Domains;
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-------------
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-- Get_CPU --
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-------------
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function Get_CPU
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(T : Ada.Task_Identification.Task_Id :=
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Ada.Task_Identification.Current_Task) return CPU_Range
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is
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pragma Unreferenced (T);
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begin
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return Not_A_Specific_CPU;
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end Get_CPU;
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----------------------------
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-- Get_Dispatching_Domain --
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----------------------------
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function Get_Dispatching_Domain
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(T : Ada.Task_Identification.Task_Id :=
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Ada.Task_Identification.Current_Task) return Dispatching_Domain
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is
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pragma Unreferenced (T);
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begin
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return System_Dispatching_Domain;
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end Get_Dispatching_Domain;
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-------------------
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-- Get_First_CPU --
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-------------------
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function Get_First_CPU (Domain : Dispatching_Domain) return CPU is
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pragma Unreferenced (Domain);
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begin
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return CPU'First;
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end Get_First_CPU;
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------------------
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-- Get_Last_CPU --
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------------------
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function Get_Last_CPU (Domain : Dispatching_Domain) return CPU is
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pragma Unreferenced (Domain);
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begin
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return Number_Of_CPUs;
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end Get_Last_CPU;
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-------------
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-- Set_CPU --
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-------------
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procedure Set_CPU
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(CPU : CPU_Range;
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T : Ada.Task_Identification.Task_Id :=
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Ada.Task_Identification.Current_Task)
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is
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pragma Unreferenced (CPU, T);
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begin
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raise Dispatching_Domain_Error with "dispatching domains not supported";
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end Set_CPU;
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end System.Multiprocessors.Dispatching_Domains;
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