| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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 -- |
| -- -- |
| -- B o d y -- |
| -- (Dummy body for non-distributed case) -- |
| -- -- |
| -- Copyright (C) 1995-2005, 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, 51 Franklin Street, Fifth Floor, -- |
| -- Boston, MA 02110-1301, 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. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| package body System.Partition_Interface is |
| |
| pragma Warnings (Off); -- supress warnings for unreferenced formals |
| |
| M : constant := 7; |
| |
| type String_Access is access String; |
| |
| -- To have a minimal implementation of U'Partition_ID |
| |
| type Pkg_Node; |
| type Pkg_List is access Pkg_Node; |
| type Pkg_Node is record |
| Name : String_Access; |
| Subp_Info : System.Address; |
| Subp_Info_Len : Integer; |
| Next : Pkg_List; |
| end record; |
| |
| Pkg_Head : Pkg_List; |
| Pkg_Tail : Pkg_List; |
| |
| function getpid return Integer; |
| pragma Import (C, getpid); |
| |
| PID : constant Integer := getpid; |
| |
| function Lower (S : String) return String; |
| |
| Passive_Prefix : constant String := "SP__"; |
| -- String prepended in top of shared passive packages |
| |
| procedure Check |
| (Name : Unit_Name; |
| Version : String; |
| RCI : Boolean := True) |
| is |
| begin |
| null; |
| end Check; |
| |
| ----------------------------- |
| -- Get_Active_Partition_Id -- |
| ----------------------------- |
| |
| function Get_Active_Partition_ID |
| (Name : Unit_Name) return System.RPC.Partition_ID |
| is |
| P : Pkg_List := Pkg_Head; |
| N : String := Lower (Name); |
| |
| begin |
| while P /= null loop |
| if P.Name.all = N then |
| return Get_Local_Partition_ID; |
| end if; |
| |
| P := P.Next; |
| end loop; |
| |
| return M; |
| end Get_Active_Partition_ID; |
| |
| ------------------------ |
| -- Get_Active_Version -- |
| ------------------------ |
| |
| function Get_Active_Version (Name : Unit_Name) return String is |
| begin |
| return ""; |
| end Get_Active_Version; |
| |
| ---------------------------- |
| -- Get_Local_Partition_Id -- |
| ---------------------------- |
| |
| function Get_Local_Partition_ID return System.RPC.Partition_ID is |
| begin |
| return System.RPC.Partition_ID (PID mod M); |
| end Get_Local_Partition_ID; |
| |
| ------------------------------ |
| -- Get_Passive_Partition_ID -- |
| ------------------------------ |
| |
| function Get_Passive_Partition_ID |
| (Name : Unit_Name) return System.RPC.Partition_ID |
| is |
| begin |
| return Get_Local_Partition_ID; |
| end Get_Passive_Partition_ID; |
| |
| ------------------------- |
| -- Get_Passive_Version -- |
| ------------------------- |
| |
| function Get_Passive_Version (Name : Unit_Name) return String is |
| begin |
| return ""; |
| end Get_Passive_Version; |
| |
| ------------------ |
| -- Get_RAS_Info -- |
| ------------------ |
| |
| procedure Get_RAS_Info |
| (Name : Unit_Name; |
| Subp_Id : Subprogram_Id; |
| Proxy_Address : out Interfaces.Unsigned_64) |
| is |
| LName : constant String := Lower (Name); |
| N : Pkg_List; |
| begin |
| N := Pkg_Head; |
| while N /= null loop |
| if N.Name.all = LName then |
| declare |
| subtype Subprogram_Array is RCI_Subp_Info_Array |
| (First_RCI_Subprogram_Id .. |
| First_RCI_Subprogram_Id + N.Subp_Info_Len - 1); |
| Subprograms : Subprogram_Array; |
| for Subprograms'Address use N.Subp_Info; |
| pragma Import (Ada, Subprograms); |
| begin |
| Proxy_Address := |
| Interfaces.Unsigned_64 (Subprograms (Integer (Subp_Id)).Addr); |
| return; |
| end; |
| end if; |
| N := N.Next; |
| end loop; |
| Proxy_Address := 0; |
| end Get_RAS_Info; |
| |
| ------------------------------ |
| -- Get_RCI_Package_Receiver -- |
| ------------------------------ |
| |
| function Get_RCI_Package_Receiver |
| (Name : Unit_Name) return Interfaces.Unsigned_64 |
| is |
| begin |
| return 0; |
| end Get_RCI_Package_Receiver; |
| |
| ------------------------------- |
| -- Get_Unique_Remote_Pointer -- |
| ------------------------------- |
| |
| procedure Get_Unique_Remote_Pointer |
| (Handler : in out RACW_Stub_Type_Access) |
| is |
| begin |
| null; |
| end Get_Unique_Remote_Pointer; |
| |
| ----------- |
| -- Lower -- |
| ----------- |
| |
| function Lower (S : String) return String is |
| T : String := S; |
| |
| begin |
| for J in T'Range loop |
| if T (J) in 'A' .. 'Z' then |
| T (J) := Character'Val (Character'Pos (T (J)) - |
| Character'Pos ('A') + |
| Character'Pos ('a')); |
| end if; |
| end loop; |
| |
| return T; |
| end Lower; |
| |
| ------------------------------------- |
| -- Raise_Program_Error_Unknown_Tag -- |
| ------------------------------------- |
| |
| procedure Raise_Program_Error_Unknown_Tag |
| (E : Ada.Exceptions.Exception_Occurrence) |
| is |
| begin |
| Ada.Exceptions.Raise_Exception |
| (Program_Error'Identity, Ada.Exceptions.Exception_Message (E)); |
| end Raise_Program_Error_Unknown_Tag; |
| |
| ----------------- |
| -- RCI_Locator -- |
| ----------------- |
| |
| package body RCI_Locator is |
| |
| ----------------------------- |
| -- Get_Active_Partition_ID -- |
| ----------------------------- |
| |
| function Get_Active_Partition_ID return System.RPC.Partition_ID is |
| P : Pkg_List := Pkg_Head; |
| N : String := Lower (RCI_Name); |
| |
| begin |
| while P /= null loop |
| if P.Name.all = N then |
| return Get_Local_Partition_ID; |
| end if; |
| |
| P := P.Next; |
| end loop; |
| |
| return M; |
| end Get_Active_Partition_ID; |
| |
| ------------------------------ |
| -- Get_RCI_Package_Receiver -- |
| ------------------------------ |
| |
| function Get_RCI_Package_Receiver return Interfaces.Unsigned_64 is |
| begin |
| return 0; |
| end Get_RCI_Package_Receiver; |
| |
| end RCI_Locator; |
| |
| ------------------------------ |
| -- Register_Passive_Package -- |
| ------------------------------ |
| |
| procedure Register_Passive_Package |
| (Name : Unit_Name; |
| Version : String := "") |
| is |
| begin |
| Register_Receiving_Stub |
| (Passive_Prefix & Name, null, Version, System.Null_Address, 0); |
| end Register_Passive_Package; |
| |
| ----------------------------- |
| -- Register_Receiving_Stub -- |
| ----------------------------- |
| |
| procedure Register_Receiving_Stub |
| (Name : Unit_Name; |
| Receiver : RPC_Receiver; |
| Version : String := ""; |
| Subp_Info : System.Address; |
| Subp_Info_Len : Integer) |
| is |
| N : constant Pkg_List := |
| new Pkg_Node'(new String'(Lower (Name)), |
| Subp_Info, Subp_Info_Len, |
| Next => null); |
| begin |
| if Pkg_Tail = null then |
| Pkg_Head := N; |
| else |
| Pkg_Tail.Next := N; |
| end if; |
| Pkg_Tail := N; |
| end Register_Receiving_Stub; |
| |
| --------- |
| -- Run -- |
| --------- |
| |
| procedure Run |
| (Main : Main_Subprogram_Type := null) |
| is |
| begin |
| if Main /= null then |
| Main.all; |
| end if; |
| end Run; |
| |
| -------------------- |
| -- Same_Partition -- |
| -------------------- |
| |
| function Same_Partition |
| (Left : access RACW_Stub_Type; |
| Right : access RACW_Stub_Type) return Boolean |
| is |
| pragma Unreferenced (Left); |
| pragma Unreferenced (Right); |
| begin |
| return True; |
| end Same_Partition; |
| |
| end System.Partition_Interface; |
