1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT RUN-TIME COMPONENTS                         --
4--                                                                          --
5--         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        --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--            Copyright (C) 2014-2018, Free Software Foundation, Inc.       --
10--                                                                          --
11-- GNAT is free software;  you can  redistribute it  and/or modify it under --
12-- terms of the  GNU General Public License as published  by the Free Soft- --
13-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
14-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
15-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
16-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
17--                                                                          --
18-- As a special exception under Section 7 of GPL version 3, you are granted --
19-- additional permissions described in the GCC Runtime Library Exception,   --
20-- version 3.1, as published by the Free Software Foundation.               --
21--                                                                          --
22-- You should have received a copy of the GNU General Public License and    --
23-- a copy of the GCC Runtime Library Exception along with this program;     --
24-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
25-- <http://www.gnu.org/licenses/>.                                          --
26--                                                                          --
27-- GNAT was originally developed  by the GNAT team at  New York University. --
28-- Extensive contributions were provided by Ada Core Technologies Inc.      --
29--                                                                          --
30------------------------------------------------------------------------------
31
32--  This package provides the interfaces for proper handling of restriction
33--  No_Standard_Allocators_After_Elaboration. It is used only by programs
34--  which use this restriction.
35
36package System.Elaboration_Allocators is
37   pragma Preelaborate;
38
39   procedure Mark_Start_Of_Elaboration;
40   --  Called right at the start of main elaboration if the program activates
41   --  restriction No_Standard_Allocators_After_Elaboration. We don't want to
42   --  rely on the normal elaboration mechanism for marking this event, since
43   --  that would require us to be sure to elaborate this first, which would
44   --  be awkward, and it is convenient to have this package be Preelaborate.
45
46   procedure Mark_End_Of_Elaboration;
47   --  Called when main elaboration is complete if the program has activated
48   --  restriction No_Standard_Allocators_After_Elaboration. This is the point
49   --  beyond which any standard allocator use will violate the restriction.
50
51   procedure Check_Standard_Allocator;
52   --  Called as part of every allocator in a program for which the restriction
53   --  No_Standard_Allocators_After_Elaboration is active. This will raise an
54   --  exception (Program_Error with an appropriate message) if it is called
55   --  after the call to Mark_End_Of_Elaboration.
56
57end System.Elaboration_Allocators;
58