gcc/ada/s-rpc.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --                           S Y S T E M . R P C                            --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --                            $Revision: 1.17 $                             --
  10 --                                                                          --
  11 --          Copyright (C) 1992-1998 Free Software Foundation, Inc.          --
  12 --                                                                          --
  13 -- This specification is derived from the Ada Reference Manual for use with --
  14 -- GNAT. The copyright notice above, and the license provisions that follow --
  15 -- apply solely to the  contents of the part following the private keyword. --
  16 --                                                                          --
  17 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  18 -- terms of the  GNU General Public License as published  by the Free Soft- --
  19 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  20 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  21 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  22 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  23 -- for  more details.  You should have  received  a copy of the GNU General --
  24 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  25 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  26 -- MA 02111-1307, USA.                                                      --
  27 --                                                                          --
  28 -- As a special exception,  if other files  instantiate  generics from this --
  29 -- unit, or you link  this unit with other files  to produce an executable, --
  30 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  31 -- covered  by the  GNU  General  Public  License.  This exception does not --
  32 -- however invalidate  any other reasons why  the executable file  might be --
  33 -- covered by the  GNU Public License.                                      --
  34 --                                                                          --
  35 -- GNAT was originally developed  by the GNAT team at  New York University. --
  36 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
  37 --                                                                          --
  38 ------------------------------------------------------------------------------
  39
  40 --  Note: this is a dummy implementation which does not support distribution.
  41 --  The GLADE distribution package includes a replacement for this file which
  42 --  has a different private
  43
  44 with Ada.Streams;
  45
  46 package System.RPC is
  47
  48    type Partition_ID is range 0 .. 63;
  49    --  This type must not be modified without checking the code in
  50    --  a-except.adb, since it expects a Partition_ID whose string
  51    --  representation fits on two characters.
  52
  53    Communication_Error : exception;
  54
  55    type Params_Stream_Type
  56      (Initial_Size : Ada.Streams.Stream_Element_Count) is new
  57        Ada.Streams.Root_Stream_Type with private;
  58
  59    procedure Read
  60      (Stream : in out Params_Stream_Type;
  61       Item   : out Ada.Streams.Stream_Element_Array;
  62       Last   : out Ada.Streams.Stream_Element_Offset);
  63
  64    procedure Write
  65      (Stream : in out Params_Stream_Type;
  66       Item   : in Ada.Streams.Stream_Element_Array);
  67
  68    --  Synchronous call
  69
  70    procedure Do_RPC
  71      (Partition  : in Partition_ID;
  72       Params     : access Params_Stream_Type;
  73       Result     : access Params_Stream_Type);
  74
  75    --  Asynchronous call
  76
  77    procedure Do_APC
  78      (Partition  : in Partition_ID;
  79       Params     : access Params_Stream_Type);
  80
  81    --  The handler for incoming RPCs.
  82
  83    type RPC_Receiver is
  84      access procedure
  85        (Params     : access Params_Stream_Type;
  86         Result     : access Params_Stream_Type);
  87
  88    procedure Establish_RPC_Receiver (
  89       Partition : in Partition_ID;
  90       Receiver  : in RPC_Receiver);
  91
  92 private
  93
  94    type Params_Stream_Type
  95      (Initial_Size : Ada.Streams.Stream_Element_Count) is new
  96        Ada.Streams.Root_Stream_Type with null record;
  97
  98 end System.RPC;