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+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- G N A T . T A S K _ L O C K --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 1998-2007, AdaCore --
+-- --
+-- GNAT 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. 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 GNAT; see file COPYING. If not, write --
+-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
+-- Boston, MA 02110-1301, USA. --
+-- --
+-- 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. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+-- Simple task lock and unlock routines
+
+-- A small package containing a task lock and unlock routines for creating
+-- a critical region. The lock involved is a global lock, shared by all
+-- tasks, and by all calls to these routines, so these routines should be
+-- used with care to avoid unnecessary reduction of concurrency.
+
+-- These routines may be used in a non-tasking program, and in that case
+-- they have no effect (they do NOT cause the tasking runtime to be loaded).
+
+-- See file s-tasloc.ads for full documentation of the interface
+
+with System.Task_Lock;
+
+package GNAT.Task_Lock renames System.Task_Lock;