1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT RUN-TIME COMPONENTS                         --
4--                                                                          --
5--                  S Y S T E M . A S T _ H A N D L I N G                   --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--          Copyright (C) 1996-2009, 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--  Runtime support for Handling of AST's (Used on VMS implementations only)
33
34with Ada.Task_Identification;
35with System;
36with System.Aux_DEC;
37
38package System.AST_Handling is
39
40   function Create_AST_Handler
41     (Taskid  : Ada.Task_Identification.Task_Id;
42      Entryno : Natural) return System.Aux_DEC.AST_Handler;
43   --  This function implements the appropriate semantics for a use of the
44   --  AST_Entry pragma. See body for details of implementation approach.
45   --  The parameters are the Task_Id for the task containing the entry
46   --  and the entry Index for the specified entry.
47
48   procedure Expand_AST_Packet_Pool
49     (Requested_Packets : Natural;
50      Actual_Number     : out Natural;
51      Total_Number      : out Natural);
52   --  This function takes a request for zero or more extra AST packets and
53   --  returns the number actually added to the pool and the total number
54   --  now available or in use.
55   --  This function is not yet fully implemented.
56
57end System.AST_Handling;
58