aboutsummaryrefslogtreecommitdiff
path: root/gcc/ada/s-parint.adb
blob: 924cef306e761e6ba2ee775d57f9a0b26d346a6a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
------------------------------------------------------------------------------
--                                                                          --
--                         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)                  --
--                                                                          --
--                             $Revision: 1.1 $
--                                                                          --
--          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. --
-- Extensive contributions were provided by Ada Core Technologies Inc.      --
--                                                                          --
------------------------------------------------------------------------------

package body System.Partition_Interface is

   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;
      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    : in Unit_Name;
      Version : in String;
      RCI     : in 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_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;

   ------------
   -- Launch --
   ------------

   procedure Launch
     (Rsh_Command  : in String;
      Name_Is_Host : in Boolean;
      General_Name : in String;
      Command_Line : in String)
   is
   begin
      null;
   end Launch;

   -----------
   -- 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_For_E_4_18 --
   ------------------------------------

   procedure Raise_Program_Error_For_E_4_18 is
   begin
      Ada.Exceptions.Raise_Exception
        (Program_Error'Identity,
        "Illegal usage of remote access to class-wide type. See RM E.4(18)");
   end Raise_Program_Error_For_E_4_18;

   -------------------------------------
   -- Raise_Program_Error_Unknown_Tag --
   -------------------------------------

   procedure Raise_Program_Error_Unknown_Tag
     (E : in 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_Info --
   --------------

   package body RCI_Info 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_Info;

   ------------------------------
   -- Register_Passive_Package --
   ------------------------------

   procedure Register_Passive_Package
     (Name    : in Unit_Name;
      Version : in String := "")
   is
   begin
      Register_Receiving_Stub (Passive_Prefix & Name, null, Version);
   end Register_Passive_Package;

   -----------------------------
   -- Register_Receiving_Stub --
   -----------------------------

   procedure Register_Receiving_Stub
     (Name     : in Unit_Name;
      Receiver : in RPC.RPC_Receiver;
      Version  : in String := "")
   is
   begin
      if Pkg_Tail = null then
         Pkg_Head := new Pkg_Node'(new String'(Lower (Name)), null);
         Pkg_Tail := Pkg_Head;

      else
         Pkg_Tail.Next := new Pkg_Node'(new String'(Lower (Name)), null);
         Pkg_Tail := Pkg_Tail.Next;
      end if;
   end Register_Receiving_Stub;

   ---------
   -- Run --
   ---------

   procedure Run
     (Main : in Main_Subprogram_Type := null)
   is
   begin
      if Main /= null then
         Main.all;
      end if;
   end Run;

end System.Partition_Interface;