1------------------------------------------------------------------------------ 2-- -- 3-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- 4-- -- 5-- S Y S T E M . T A S K _ P R I M I T I V E S -- 6-- -- 7-- S p e c -- 8-- -- 9-- Copyright (C) 1991-2018, Free Software Foundation, Inc. -- 10-- -- 11-- GNARL is free software; you can redistribute it and/or modify it under -- 12-- terms of the GNU General Public License as published by the Free Soft- -- 13-- ware Foundation; either version 3, or (at your option) any later ver- -- 14-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- 15-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- 16-- or FITNESS FOR A PARTICULAR PURPOSE. -- 17-- -- 18-- As a special exception under Section 7 of GPL version 3, you are granted -- 19-- additional permissions described in the GCC Runtime Library Exception, -- 20-- version 3.1, as published by the Free Software Foundation. -- 21-- -- 22-- You should have received a copy of the GNU General Public License and -- 23-- a copy of the GCC Runtime Library Exception along with this program; -- 24-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- 25-- <http://www.gnu.org/licenses/>. -- 26-- -- 27-- GNARL was developed by the GNARL team at Florida State University. -- 28-- Extensive contributions were provided by Ada Core Technologies, Inc. -- 29-- -- 30------------------------------------------------------------------------------ 31 32-- This is a no tasking version of this package 33 34pragma Polling (Off); 35-- Turn off polling, we do not want ATC polling to take place during tasking 36-- operations. It causes infinite loops and other problems. 37 38package System.Task_Primitives is 39 pragma Preelaborate; 40 41 type Lock is new Integer; 42 43 type RTS_Lock is new Integer; 44 45 type Suspension_Object is new Integer; 46 47 type Task_Body_Access is access procedure; 48 49 type Private_Data is limited record 50 Thread : aliased Integer; 51 CV : aliased Integer; 52 L : aliased RTS_Lock; 53 end record; 54 55 subtype Task_Address is System.Address; 56 Task_Address_Size : constant := Standard'Address_Size; 57 -- Type used for task addresses and its size 58 59 Alternate_Stack_Size : constant := 0; 60 -- No alternate signal stack is used on this platform 61 62end System.Task_Primitives; 63