gcc/ada/s-parint.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --            S Y S T E M . P A R T I T I O N _ I N T E R F A C E           --
   6 --                                                                          --
   7 --                                  S p e c                                 --
   8 --                                                                          --
   9 --                                                                          --
  10 --          Copyright (C) 1995-2000 Free Software Foundation, Inc.          --
  11 --                                                                          --
  12 -- GNARL is free software; you can  redistribute it  and/or modify it under --
  13 -- terms of the  GNU General Public License as published  by the Free Soft- --
  14 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  15 -- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
  16 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  17 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  18 -- for  more details.  You should have  received  a copy of the GNU General --
  19 -- Public License  distributed with GNARL; see file COPYING.  If not, write --
  20 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  21 -- MA 02111-1307, USA.                                                      --
  22 --                                                                          --
  23 -- As a special exception,  if other files  instantiate  generics from this --
  24 -- unit, or you link  this unit with other files  to produce an executable, --
  25 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  26 -- covered  by the  GNU  General  Public  License.  This exception does not --
  27 -- however invalidate  any other reasons why  the executable file  might be --
  28 -- covered by the  GNU Public License.                                      --
  29 --                                                                          --
  30 -- GNAT was originally developed  by the GNAT team at  New York University. --
  31 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
  32 --                                                                          --
  33 ------------------------------------------------------------------------------
  34
  35 with Ada.Exceptions;
  36 with Interfaces;
  37 with System.RPC;
  38
  39 package System.Partition_Interface is
  40
  41    pragma Elaborate_Body;
  42
  43    type Subprogram_Id is new Natural;
  44    --  This type is used exclusively by stubs
  45
  46    subtype Unit_Name is String;
  47    --  Name of Ada units
  48
  49    type Main_Subprogram_Type is access procedure;
  50
  51    type RACW_Stub_Type is tagged record
  52       Origin       : RPC.Partition_ID;
  53       Receiver     : Interfaces.Unsigned_64;
  54       Addr         : Interfaces.Unsigned_64;
  55       Asynchronous : Boolean;
  56    end record;
  57    type RACW_Stub_Type_Access is access RACW_Stub_Type;
  58    --  This type is used by the expansion to implement distributed objects.
  59    --  Do not change its definition or its layout without updating
  60    --  exp_dist.adb.
  61
  62    procedure Check
  63      (Name    : in Unit_Name;
  64       Version : in String;
  65       RCI     : in Boolean := True);
  66    --  Use by the main subprogram to check that a remote receiver
  67    --  unit has has the same version than the caller's one.
  68
  69    function Get_Active_Partition_ID
  70      (Name : Unit_Name)
  71       return RPC.Partition_ID;
  72    --  Similar in some respects to RCI_Info.Get_Active_Partition_ID
  73
  74    function Get_Active_Version
  75       (Name : Unit_Name)
  76        return String;
  77    --  Similar in some respects to Get_Active_Partition_ID
  78
  79    function Get_Local_Partition_ID return RPC.Partition_ID;
  80    --  Return the Partition_ID of the current partition
  81
  82    function Get_Passive_Partition_ID
  83      (Name : Unit_Name)
  84      return RPC.Partition_ID;
  85    --  Return the Partition_ID of the given shared passive partition
  86
  87    function Get_Passive_Version (Name : Unit_Name) return String;
  88    --  Return the version corresponding to a shared passive unit
  89
  90    function Get_RCI_Package_Receiver
  91      (Name : Unit_Name)
  92       return Interfaces.Unsigned_64;
  93    --  Similar in some respects to RCI_Info.Get_RCI_Package_Receiver
  94
  95    procedure Get_Unique_Remote_Pointer
  96      (Handler : in out RACW_Stub_Type_Access);
  97    --  Get a unique pointer on a remote object
  98
  99    procedure Launch
 100      (Rsh_Command  : in String;
 101       Name_Is_Host : in Boolean;
 102       General_Name : in String;
 103       Command_Line : in String);
 104    --  General_Name represents the name of the machine or the name of the
 105    --  partition (depending on the value of Name_Is_Host). Command_Line
 106    --  holds the extra options that will be given on the command line.
 107    --  Rsh_Command is typically "rsh", that will be used to launch the
 108    --  other partition.
 109
 110    procedure Raise_Program_Error_For_E_4_18;
 111    pragma No_Return (Raise_Program_Error_For_E_4_18);
 112    --  Raise Program_Error with an error message explaining why it has been
 113    --  raised. The rule in E.4 (18) is tricky and misleading for most users
 114    --  of the distributed systems annex.
 115
 116    procedure Raise_Program_Error_Unknown_Tag
 117      (E : in Ada.Exceptions.Exception_Occurrence);
 118    pragma No_Return (Raise_Program_Error_Unknown_Tag);
 119    --  Raise Program_Error with the same message as E one
 120
 121    procedure Register_Receiving_Stub
 122      (Name     : in Unit_Name;
 123       Receiver : in RPC.RPC_Receiver;
 124       Version  : in String := "");
 125    --  Register the fact that the Name receiving stub is now elaborated.
 126    --  Register the access value to the package RPC_Receiver procedure.
 127
 128    procedure Register_Passive_Package
 129      (Name    : in Unit_Name;
 130       Version : in String := "");
 131    --  Register a passive package
 132
 133    generic
 134       RCI_Name : String;
 135    package RCI_Info is
 136       function Get_RCI_Package_Receiver return Interfaces.Unsigned_64;
 137       function Get_Active_Partition_ID return RPC.Partition_ID;
 138    end RCI_Info;
 139    --  RCI package information caching
 140
 141    procedure Run (Main : in Main_Subprogram_Type := null);
 142    --  Run the main subprogram
 143
 144 end System.Partition_Interface;