| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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) 2004-2005, 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, 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. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- 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; |
