70 lines
3.7 KiB
Ada
70 lines
3.7 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- S Y S T E M . R E S T R I C T I O N S --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 2004 Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 2, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING. If not, write --
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-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
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-- MA 02111-1307, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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-- This package provides a run-time interface for checking the set of
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-- restrictions that applies to the current partition. The information
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-- comes both from explicit restriction pragmas present, and also from
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-- compile time checking.
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-- The package simply contains an instantiation of System.Rident, but
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-- with names discarded, so that we do not have image tables for the
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-- large restriction enumeration types at run time.
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with System.Rident;
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package System.Restrictions is
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pragma Discard_Names;
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package Rident is new System.Rident;
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Run_Time_Restrictions : Rident.Restrictions_Info;
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------------------
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-- Subprograms --
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-----------------
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function Abort_Allowed return Boolean;
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pragma Inline (Abort_Allowed);
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-- Tests to see if abort is allowed by the current restrictions settings.
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-- For abort to be allowed, either No_Abort_Statements must be False,
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-- or Max_Asynchronous_Select_Nesting must be non-zero.
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function Tasking_Allowed return Boolean;
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pragma Inline (Tasking_Allowed);
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-- Tests to see if tasking operations are allowed by the current
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-- restrictions settings. For taskikng to be allowed, No_Tasking
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-- must be False, and Max_Tasks must not be set to zero.
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end System.Restrictions;
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