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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT RUN-TIME COMPONENTS --
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4 -- --
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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 --
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6 -- --
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7 -- S p e c --
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8 -- --
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9 -- Copyright (C) 2014-2017, Free Software Foundation, Inc. --
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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17 -- --
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18 -- As a special exception under Section 7 of GPL version 3, you are granted --
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19 -- additional permissions described in the GCC Runtime Library Exception, --
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20 -- version 3.1, as published by the Free Software Foundation. --
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21 -- --
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22 -- You should have received a copy of the GNU General Public License and --
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23 -- a copy of the GCC Runtime Library Exception along with this program; --
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24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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25 -- <http://www.gnu.org/licenses/>. --
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26 -- --
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27 -- GNAT was originally developed by the GNAT team at New York University. --
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28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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29 -- --
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30 ------------------------------------------------------------------------------
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31
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32 -- This package provides the interfaces for proper handling of restriction
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33 -- No_Standard_Allocators_After_Elaboration. It is used only by programs
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34 -- which use this restriction.
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35
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36 package System.Elaboration_Allocators is
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37 pragma Preelaborate;
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38
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39 procedure Mark_Start_Of_Elaboration;
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40 -- Called right at the start of main elaboration if the program activates
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41 -- restriction No_Standard_Allocators_After_Elaboration. We don't want to
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42 -- rely on the normal elaboration mechanism for marking this event, since
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43 -- that would require us to be sure to elaborate this first, which would
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44 -- be awkward, and it is convenient to have this package be Preelaborate.
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45
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46 procedure Mark_End_Of_Elaboration;
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47 -- Called when main elaboration is complete if the program has activated
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48 -- restriction No_Standard_Allocators_After_Elaboration. This is the point
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49 -- beyond which any standard allocator use will violate the restriction.
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50
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51 procedure Check_Standard_Allocator;
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52 -- Called as part of every allocator in a program for which the restriction
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53 -- No_Standard_Allocators_After_Elaboration is active. This will raise an
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54 -- exception (Program_Error with an appropriate message) if it is called
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55 -- after the call to Mark_End_Of_Elaboration.
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56
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57 end System.Elaboration_Allocators;
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