-- --
-- S p e c --
-- --
--- Copyright (C) 1991-2005 Free Software Foundation, Inc. --
+-- 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 2, or (at your option) any later ver- --
--- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
+-- 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. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNARL; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
+-- or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
+-- 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 package provides low-level support for most tasking features
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.
+-- Turn off polling, we do not want ATC polling to take place during tasking
+-- operations. It causes infinite loops and other problems.
with Interfaces.C;
--- used for int
--- size_t
with System.OS_Interface;
--- used for pthread_mutex_t
--- pthread_cond_t
--- pthread_t
+with System.Aux_DEC;
package System.Task_Primitives is
+ pragma Preelaborate;
type Lock is limited private;
-- Should be used for implementation of protected objects
-- A component of this type is guaranteed to be included in the
-- Ada_Task_Control_Block.
+ subtype Task_Address is System.Aux_DEC.Short_Address;
+ -- 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 := System.Aux_DEC.Short_Address_Size;
+ -- The size of Task_Address
+
+ Alternate_Stack_Size : constant := 0;
+ -- No alternate signal stack is used on this platform
+
private
type Exc_Stack_T is array (0 .. 8192) of aliased Character;
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