gcc/ada/s-thread.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                       S Y S T E M . T H R E A D S                        --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2003 Free Software Foundation, Inc.          --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  19 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  20 -- Boston, MA 02110-1301, USA.                                              --
  21 --                                                                          --
  22 -- As a special exception,  if other files  instantiate  generics from this --
  23 -- unit, or you link  this unit with other files  to produce an executable, --
  24 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  25 -- covered  by the  GNU  General  Public  License.  This exception does not --
  26 -- however invalidate  any other reasons why  the executable file  might be --
  27 -- covered by the  GNU Public License.                                      --
  28 --                                                                          --
  29 -- GNAT was originally developed  by the GNAT team at  New York University. --
  30 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  31 --                                                                          --
  32 ------------------------------------------------------------------------------
  33
  34 --  This is a dummy version of this package.
  35
  36 with Unchecked_Conversion;
  37
  38 with System.Threads.Initialization;
  39
  40 package body System.Threads is
  41
  42    -----------------------
  43    -- Get_Current_Excep --
  44    -----------------------
  45
  46    function Get_Current_Excep return EOA is
  47    begin
  48       return null;
  49    end Get_Current_Excep;
  50
  51    ------------------------
  52    -- Get_Jmpbuf_Address --
  53    ------------------------
  54
  55    function  Get_Jmpbuf_Address return  Address is
  56    begin
  57       return Null_Address;
  58    end Get_Jmpbuf_Address;
  59
  60    ------------------------
  61    -- Get_Sec_Stack_Addr --
  62    ------------------------
  63
  64    function  Get_Sec_Stack_Addr return  Address is
  65    begin
  66       return Null_Address;
  67    end Get_Sec_Stack_Addr;
  68
  69    ------------------------
  70    -- Set_Jmpbuf_Address --
  71    ------------------------
  72
  73    procedure Set_Jmpbuf_Address (Addr : Address) is
  74       pragma Unreferenced (Addr);
  75    begin
  76       null;
  77    end Set_Jmpbuf_Address;
  78
  79    ------------------------
  80    -- Set_Sec_Stack_Addr --
  81    ------------------------
  82
  83    procedure Set_Sec_Stack_Addr (Addr : Address) is
  84       pragma Unreferenced (Addr);
  85    begin
  86       null;
  87    end Set_Sec_Stack_Addr;
  88
  89    -----------------------
  90    -- Thread_Body_Enter --
  91    -----------------------
  92
  93    procedure Thread_Body_Enter
  94      (Sec_Stack_Address    : System.Address;
  95       Sec_Stack_Size       : Natural;
  96       Process_ATSD_Address : System.Address)
  97    is
  98       pragma Unreferenced (Sec_Stack_Address);
  99       pragma Unreferenced (Sec_Stack_Size);
 100       pragma Unreferenced (Process_ATSD_Address);
 101    begin
 102       null;
 103    end Thread_Body_Enter;
 104
 105    ----------------------------------
 106    -- Thread_Body_Exceptional_Exit --
 107    ----------------------------------
 108
 109    procedure Thread_Body_Exceptional_Exit
 110      (EO : Ada.Exceptions.Exception_Occurrence)
 111    is
 112       pragma Unreferenced (EO);
 113    begin
 114       null;
 115    end Thread_Body_Exceptional_Exit;
 116
 117    -----------------------
 118    -- Thread_Body_Leave --
 119    -----------------------
 120
 121    procedure Thread_Body_Leave is
 122    begin
 123       null;
 124    end Thread_Body_Leave;
 125
 126 end System.Threads;