321 lines
9.3 KiB
Ada
321 lines
9.3 KiB
Ada
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------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME COMPONENTS --
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-- --
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-- S Y S T E M . P A R T I T I O N _ I N T E R F A C E --
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-- --
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-- B o d y --
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-- (Dummy body for non-distributed case) --
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-- --
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-- Copyright (C) 1995-2009, Free Software Foundation, Inc. --
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-- --
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-- GNARL is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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package body System.Partition_Interface is
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pragma Warnings (Off); -- suppress warnings for unreferenced formals
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M : constant := 7;
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type String_Access is access String;
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-- To have a minimal implementation of U'Partition_ID
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type Pkg_Node;
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type Pkg_List is access Pkg_Node;
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type Pkg_Node is record
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Name : String_Access;
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Subp_Info : System.Address;
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Subp_Info_Len : Integer;
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Next : Pkg_List;
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end record;
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Pkg_Head : Pkg_List;
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Pkg_Tail : Pkg_List;
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function getpid return Integer;
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pragma Import (C, getpid);
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PID : constant Integer := getpid;
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function Lower (S : String) return String;
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Passive_Prefix : constant String := "SP__";
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-- String prepended in top of shared passive packages
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procedure Check
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(Name : Unit_Name;
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Version : String;
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RCI : Boolean := True)
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is
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begin
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null;
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end Check;
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-----------------------------
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-- Get_Active_Partition_Id --
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-----------------------------
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function Get_Active_Partition_ID
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(Name : Unit_Name) return System.RPC.Partition_ID
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is
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P : Pkg_List := Pkg_Head;
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N : String := Lower (Name);
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begin
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while P /= null loop
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if P.Name.all = N then
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return Get_Local_Partition_ID;
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end if;
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P := P.Next;
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end loop;
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return M;
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end Get_Active_Partition_ID;
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------------------------
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-- Get_Active_Version --
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------------------------
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function Get_Active_Version (Name : Unit_Name) return String is
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begin
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return "";
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end Get_Active_Version;
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----------------------------
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-- Get_Local_Partition_Id --
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----------------------------
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function Get_Local_Partition_ID return System.RPC.Partition_ID is
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begin
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return System.RPC.Partition_ID (PID mod M);
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end Get_Local_Partition_ID;
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------------------------------
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-- Get_Passive_Partition_ID --
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------------------------------
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function Get_Passive_Partition_ID
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(Name : Unit_Name) return System.RPC.Partition_ID
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is
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begin
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return Get_Local_Partition_ID;
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end Get_Passive_Partition_ID;
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-------------------------
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-- Get_Passive_Version --
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-------------------------
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function Get_Passive_Version (Name : Unit_Name) return String is
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begin
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return "";
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end Get_Passive_Version;
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------------------
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-- Get_RAS_Info --
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------------------
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procedure Get_RAS_Info
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(Name : Unit_Name;
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Subp_Id : Subprogram_Id;
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Proxy_Address : out Interfaces.Unsigned_64)
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is
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LName : constant String := Lower (Name);
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N : Pkg_List;
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begin
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N := Pkg_Head;
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while N /= null loop
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if N.Name.all = LName then
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declare
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subtype Subprogram_Array is RCI_Subp_Info_Array
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(First_RCI_Subprogram_Id ..
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First_RCI_Subprogram_Id + N.Subp_Info_Len - 1);
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Subprograms : Subprogram_Array;
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for Subprograms'Address use N.Subp_Info;
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pragma Import (Ada, Subprograms);
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begin
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Proxy_Address :=
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Interfaces.Unsigned_64 (Subprograms (Integer (Subp_Id)).Addr);
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return;
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end;
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end if;
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N := N.Next;
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end loop;
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Proxy_Address := 0;
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end Get_RAS_Info;
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------------------------------
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-- Get_RCI_Package_Receiver --
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------------------------------
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function Get_RCI_Package_Receiver
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(Name : Unit_Name) return Interfaces.Unsigned_64
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is
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begin
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return 0;
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end Get_RCI_Package_Receiver;
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-------------------------------
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-- Get_Unique_Remote_Pointer --
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-------------------------------
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procedure Get_Unique_Remote_Pointer
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(Handler : in out RACW_Stub_Type_Access)
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is
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begin
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null;
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end Get_Unique_Remote_Pointer;
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-----------
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-- Lower --
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-----------
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function Lower (S : String) return String is
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T : String := S;
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begin
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for J in T'Range loop
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if T (J) in 'A' .. 'Z' then
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T (J) := Character'Val (Character'Pos (T (J)) -
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Character'Pos ('A') +
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Character'Pos ('a'));
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end if;
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end loop;
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return T;
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end Lower;
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-------------------------------------
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-- Raise_Program_Error_Unknown_Tag --
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-------------------------------------
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procedure Raise_Program_Error_Unknown_Tag
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(E : Ada.Exceptions.Exception_Occurrence)
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is
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begin
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raise Program_Error with Ada.Exceptions.Exception_Message (E);
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end Raise_Program_Error_Unknown_Tag;
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-----------------
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-- RCI_Locator --
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-----------------
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package body RCI_Locator is
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-----------------------------
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-- Get_Active_Partition_ID --
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-----------------------------
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function Get_Active_Partition_ID return System.RPC.Partition_ID is
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P : Pkg_List := Pkg_Head;
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N : String := Lower (RCI_Name);
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begin
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while P /= null loop
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if P.Name.all = N then
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return Get_Local_Partition_ID;
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end if;
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P := P.Next;
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end loop;
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return M;
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end Get_Active_Partition_ID;
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------------------------------
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-- Get_RCI_Package_Receiver --
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------------------------------
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function Get_RCI_Package_Receiver return Interfaces.Unsigned_64 is
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begin
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return 0;
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end Get_RCI_Package_Receiver;
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end RCI_Locator;
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------------------------------
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-- Register_Passive_Package --
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------------------------------
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procedure Register_Passive_Package
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(Name : Unit_Name;
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Version : String := "")
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is
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begin
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Register_Receiving_Stub
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(Passive_Prefix & Name, null, Version, System.Null_Address, 0);
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end Register_Passive_Package;
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-----------------------------
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-- Register_Receiving_Stub --
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-----------------------------
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procedure Register_Receiving_Stub
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(Name : Unit_Name;
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Receiver : RPC_Receiver;
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Version : String := "";
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Subp_Info : System.Address;
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Subp_Info_Len : Integer)
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is
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N : constant Pkg_List :=
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new Pkg_Node'(new String'(Lower (Name)),
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Subp_Info, Subp_Info_Len,
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Next => null);
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begin
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if Pkg_Tail = null then
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Pkg_Head := N;
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else
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Pkg_Tail.Next := N;
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end if;
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Pkg_Tail := N;
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end Register_Receiving_Stub;
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---------
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-- Run --
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---------
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procedure Run
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(Main : Main_Subprogram_Type := null)
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is
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begin
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if Main /= null then
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Main.all;
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end if;
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end Run;
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--------------------
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-- Same_Partition --
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--------------------
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function Same_Partition
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(Left : not null access RACW_Stub_Type;
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Right : not null access RACW_Stub_Type) return Boolean
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is
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pragma Unreferenced (Left);
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pragma Unreferenced (Right);
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begin
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return True;
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end Same_Partition;
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end System.Partition_Interface;
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