------------------------------------------------------------------------------
-- --
--- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
-- S Y S T E M . T A S K I N G . U T I L I T I E S --
-- --
-- S p e c --
-- --
--- Copyright (C) 1992-2002, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2009, 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. --
-- --
--- GNARL was developed by the GNARL team at Florida State University. It is --
--- now maintained by Ada Core Technologies, Inc. (http://www.gnat.com). --
+-- 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 RTS Internal Declarations.
-- These declarations are not part of the GNARLI
-with Unchecked_Conversion;
+with Ada.Unchecked_Conversion;
+with System.Task_Primitives;
package System.Tasking.Utilities is
function ATCB_To_Address is new
- Unchecked_Conversion (Task_ID, System.Address);
+ Ada.Unchecked_Conversion (Task_Id, System.Task_Primitives.Task_Address);
---------------------------------
-- Task_Stage Related routines --
-- then it will abort all the level 2 tasks. See Finalize_Global_Tasks
-- procedure for more information.
--
- -- This is a dangerous operation, and should only be used on nested tasks
+ -- This is a dangerous operation, and should never be used on nested tasks
-- or tasks that depend on any objects that might be finalized earlier than
-- the termination of the environment task. It is for internal use by the
-- GNARL, to prevent such internal server tasks from preventing a partition
-- the environment task (because every independent task depends on it),
-- this counter is protected by the environment task's lock.
- ------------------------------------
- -- Task Abortion related routines --
- ------------------------------------
+ ---------------------------------
+ -- Task Abort Related Routines --
+ ---------------------------------
- procedure Cancel_Queued_Entry_Calls (T : Task_ID);
+ procedure Cancel_Queued_Entry_Calls (T : Task_Id);
-- Cancel any entry calls queued on target task.
-- Call this while holding T's lock (or RTS_Lock in Single_Lock mode).
- procedure Exit_One_ATC_Level (Self_ID : Task_ID);
+ procedure Exit_One_ATC_Level (Self_ID : Task_Id);
pragma Inline (Exit_One_ATC_Level);
-- Call only with abort deferred and holding lock of Self_ID.
-- This is a bit of common code for all entry calls.
-- The effect is to exit one level of ATC nesting.
- procedure Abort_One_Task (Self_ID : Task_ID; T : Task_ID);
+ procedure Abort_One_Task (Self_ID : Task_Id; T : Task_Id);
-- Similar to Locked_Abort_To_Level (Self_ID, T, 0), but:
-- (1) caller should be holding no locks
-- (2) may be called for tasks that have not yet been activated
-- (3) always aborts whole task
procedure Abort_Tasks (Tasks : Task_List);
- -- Abort_Tasks is called to initiate abortion, however, the actual
- -- abortion is done by abortee by means of Abort_Handler
+ -- Abort_Tasks is called to initiate abort, however, the actual
+ -- aborting is done by aborted task by means of Abort_Handler
- procedure Make_Passive (Self_ID : Task_ID; Task_Completed : Boolean);
- -- Update counts to indicate current task is either terminated
- -- or accepting on a terminate alternative.
- -- Call holding no locks except Global_Task_Lock when calling from
- -- Terminate_Task, and RTS_Lock when Single_Lock is True.
+ procedure Make_Passive (Self_ID : Task_Id; Task_Completed : Boolean);
+ -- Update counts to indicate current task is either terminated or
+ -- accepting on a terminate alternative. Call holding no locks except
+ -- Global_Task_Lock when calling from Terminate_Task, and RTS_Lock when
+ -- Single_Lock is True.
end System.Tasking.Utilities;
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