gcc/ada/s-asthan.ads

   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
  34 with Ada.Task_Identification;
  35 with System;
  36 with System.Aux_DEC;
  37
  38 package 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
  57 end System.AST_Handling;