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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- S Y S T E M . P A R T I T I O N _ I N T E R F A C E --
-- --
-- S p e c --
-- --
-- $Revision: 1.21 $
-- --
-- Copyright (C) 1995-2000 Free Software Foundation, Inc. --
-- --
-- GNARL is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNARL; see file COPYING. If not, write --
-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
-- MA 02111-1307, USA. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
-- --
------------------------------------------------------------------------------
with Ada.Exceptions;
with Interfaces;
with System.RPC;
package System.Partition_Interface is
pragma Elaborate_Body;
type Subprogram_Id is new Natural;
-- This type is used exclusively by stubs
subtype Unit_Name is String;
-- Name of Ada units
type Main_Subprogram_Type is access procedure;
type RACW_Stub_Type is tagged record
Origin : RPC.Partition_ID;
Receiver : Interfaces.Unsigned_64;
Addr : Interfaces.Unsigned_64;
Asynchronous : Boolean;
end record;
type RACW_Stub_Type_Access is access RACW_Stub_Type;
-- This type is used by the expansion to implement distributed objects.
-- Do not change its definition or its layout without updating
-- exp_dist.adb.
procedure Check
(Name : in Unit_Name;
Version : in String;
RCI : in Boolean := True);
-- Use by the main subprogram to check that a remote receiver
-- unit has has the same version than the caller's one.
function Get_Active_Partition_ID
(Name : Unit_Name)
return RPC.Partition_ID;
-- Similar in some respects to RCI_Info.Get_Active_Partition_ID
function Get_Active_Version
(Name : Unit_Name)
return String;
-- Similar in some respects to Get_Active_Partition_ID
function Get_Local_Partition_ID return RPC.Partition_ID;
-- Return the Partition_ID of the current partition
function Get_Passive_Partition_ID
(Name : Unit_Name)
return RPC.Partition_ID;
-- Return the Partition_ID of the given shared passive partition
function Get_Passive_Version (Name : Unit_Name) return String;
-- Return the version corresponding to a shared passive unit
function Get_RCI_Package_Receiver
(Name : Unit_Name)
return Interfaces.Unsigned_64;
-- Similar in some respects to RCI_Info.Get_RCI_Package_Receiver
procedure Get_Unique_Remote_Pointer
(Handler : in out RACW_Stub_Type_Access);
-- Get a unique pointer on a remote object
procedure Launch
(Rsh_Command : in String;
Name_Is_Host : in Boolean;
General_Name : in String;
Command_Line : in String);
-- General_Name represents the name of the machine or the name of the
-- partition (depending on the value of Name_Is_Host). Command_Line
-- holds the extra options that will be given on the command line.
-- Rsh_Command is typically "rsh", that will be used to launch the
-- other partition.
procedure Raise_Program_Error_For_E_4_18;
pragma No_Return (Raise_Program_Error_For_E_4_18);
-- Raise Program_Error with an error message explaining why it has been
-- raised. The rule in E.4 (18) is tricky and misleading for most users
-- of the distributed systems annex.
procedure Raise_Program_Error_Unknown_Tag
(E : in Ada.Exceptions.Exception_Occurrence);
pragma No_Return (Raise_Program_Error_Unknown_Tag);
-- Raise Program_Error with the same message as E one
procedure Register_Receiving_Stub
(Name : in Unit_Name;
Receiver : in RPC.RPC_Receiver;
Version : in String := "");
-- Register the fact that the Name receiving stub is now elaborated.
-- Register the access value to the package RPC_Receiver procedure.
procedure Register_Passive_Package
(Name : in Unit_Name;
Version : in String := "");
-- Register a passive package
generic
RCI_Name : String;
package RCI_Info is
function Get_RCI_Package_Receiver return Interfaces.Unsigned_64;
function Get_Active_Partition_ID return RPC.Partition_ID;
end RCI_Info;
-- RCI package information caching
procedure Run (Main : in Main_Subprogram_Type := null);
-- Run the main subprogram
end System.Partition_Interface;
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