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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
-- S Y S T E M . T A S K _ P R I M I T I V E S --
-- --
-- S p e c --
-- --
-- Copyright (C) 1991-2009, 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. --
-- --
------------------------------------------------------------------------------
-- This is a no tasking version of this package
pragma Polling (Off);
-- Turn off polling, we do not want ATC polling to take place during tasking
-- operations. It causes infinite loops and other problems.
package System.Task_Primitives is
pragma Preelaborate;
type Lock is new Integer;
type RTS_Lock is new Integer;
type Suspension_Object is new Integer;
type Task_Body_Access is access procedure;
type Private_Data is record
Thread : aliased Integer;
CV : aliased Integer;
L : aliased RTS_Lock;
end record;
subtype Task_Address is System.Address;
-- In some versions of Task_Primitives, notably for VMS, Task_Address is
-- the short version of address defined in System.Aux_DEC. To avoid
-- dragging Aux_DEC into tasking packages a tasking specific subtype is
-- defined here.
Task_Address_Size : constant := Standard'Address_Size;
-- The size of Task_Address
Alternate_Stack_Size : constant := 0;
-- No alternate signal stack is used on this platform
end System.Task_Primitives;
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