------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- S Y S T E M . R E S T R I C T I O N S -- -- -- -- S p e c -- -- -- -- Copyright (C) 2004 Free Software Foundation, Inc. -- -- -- -- 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, 59 Temple Place - Suite 330, Boston, -- -- MA 02111-1307, 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. -- -- -- ------------------------------------------------------------------------------ -- This package provides a run-time interface for checking the set of -- restrictions that applies to the current partition. The information -- comes both from explicit restriction pragmas present, and also from -- compile time checking. -- The package simply contains an instantiation of System.Rident, but -- with names discarded, so that we do not have image tables for the -- large restriction enumeration types at run time. with System.Rident; package System.Restrictions is pragma Discard_Names; package Rident is new System.Rident; Run_Time_Restrictions : Rident.Restrictions_Info; ------------------ -- Subprograms -- ----------------- function Abort_Allowed return Boolean; pragma Inline (Abort_Allowed); -- Tests to see if abort is allowed by the current restrictions settings. -- For abort to be allowed, either No_Abort_Statements must be False, -- or Max_Asynchronous_Select_Nesting must be non-zero. function Tasking_Allowed return Boolean; pragma Inline (Tasking_Allowed); -- Tests to see if tasking operations are allowed by the current -- restrictions settings. For taskikng to be allowed, No_Tasking -- must be False, and Max_Tasks must not be set to zero. end System.Restrictions;