73 lines
3.6 KiB
Ada
73 lines
3.6 KiB
Ada
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------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- S Y S T E M . E L A B O R A T I O N _ A L L O C A T O R S --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 2014, 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 3, 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. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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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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package body System.Elaboration_Allocators is
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Elaboration_In_Progress : Boolean;
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pragma Atomic (Elaboration_In_Progress);
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-- Flag to show if elaboration is active. We don't attempt to initialize
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-- this because we want to be sure it gets reset if we are in a multiple
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-- elaboration situation of some kind. Make it atomic to prevent race
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-- conditions of any kind (not clearly necessary, but harmless!)
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------------------------------
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-- Check_Standard_Allocator --
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------------------------------
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procedure Check_Standard_Allocator is
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begin
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if not Elaboration_In_Progress then
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raise Program_Error with
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"standard allocator after elaboration is complete is not allowed "
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& "(No_Standard_Allocators_After_Elaboration restriction active)";
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end if;
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end Check_Standard_Allocator;
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-----------------------------
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-- Mark_End_Of_Elaboration --
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-----------------------------
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procedure Mark_End_Of_Elaboration is
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begin
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Elaboration_In_Progress := False;
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end Mark_End_Of_Elaboration;
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-------------------------------
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-- Mark_Start_Of_Elaboration --
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-------------------------------
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procedure Mark_Start_Of_Elaboration is
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begin
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Elaboration_In_Progress := True;
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end Mark_Start_Of_Elaboration;
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end System.Elaboration_Allocators;
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