gcc/ada/libgnarl/s-vxwext__noints.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                  GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS                --
   4 --                                                                          --
   5 --                     S Y S T E M . V X W O R K S . E X T                  --
   6 --                                                                          --
   7 --                                   B o d y                                --
   8 --                                                                          --
   9 --            Copyright (C) 2008-2017, 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 3,  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.                                     --
  17 --                                                                          --
  18 -- As a special exception under Section 7 of GPL version 3, you are granted --
  19 -- additional permissions described in the GCC Runtime Library Exception,   --
  20 -- version 3.1, as published by the Free Software Foundation.               --
  21 --                                                                          --
  22 -- You should have received a copy of the GNU General Public License and    --
  23 -- a copy of the GCC Runtime Library Exception along with this program;     --
  24 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  25 -- <http://www.gnu.org/licenses/>.                                          --
  26 --                                                                          --
  27 ------------------------------------------------------------------------------
  28
  29 --  This package provides vxworks specific support functions needed
  30 --  by System.OS_Interface.
  31
  32 --  This is a version for VxWorks 5 based systems with no interrupts:
  33 --  HI-Ravenscar for VxWorks 5, VxWorks 653 vThreads (not ravenscar-cert)
  34
  35 package body System.VxWorks.Ext is
  36
  37    ERROR : constant := -1;
  38
  39    --------------
  40    -- Int_Lock --
  41    --------------
  42
  43    function Int_Lock return int is
  44    begin
  45       return ERROR;
  46    end Int_Lock;
  47
  48    ----------------
  49    -- Int_Unlock --
  50    ----------------
  51
  52    function Int_Unlock (Old : int) return int is
  53       pragma Unreferenced (Old);
  54    begin
  55       return ERROR;
  56    end Int_Unlock;
  57
  58    -----------------------
  59    -- Interrupt_Connect --
  60    -----------------------
  61
  62    function Interrupt_Connect
  63      (Vector    : Interrupt_Vector;
  64       Handler   : Interrupt_Handler;
  65       Parameter : System.Address := System.Null_Address) return int
  66    is
  67       pragma Unreferenced (Vector, Handler, Parameter);
  68    begin
  69       return ERROR;
  70    end Interrupt_Connect;
  71
  72    -----------------------
  73    -- Interrupt_Context --
  74    -----------------------
  75
  76    function Interrupt_Context return int is
  77    begin
  78       --  For VxWorks 653 vThreads, never in an interrupt context
  79
  80       return 0;
  81    end Interrupt_Context;
  82
  83    --------------------------------
  84    -- Interrupt_Number_To_Vector --
  85    --------------------------------
  86
  87    function Interrupt_Number_To_Vector
  88      (intNum : int) return Interrupt_Vector
  89    is
  90       pragma Unreferenced (intNum);
  91    begin
  92       return 0;
  93    end Interrupt_Number_To_Vector;
  94
  95    ---------------
  96    -- semDelete --
  97    ---------------
  98
  99    function semDelete (Sem : SEM_ID) return int is
 100       function Os_Sem_Delete (Sem : SEM_ID) return int;
 101       pragma Import (C, Os_Sem_Delete, "semDelete");
 102    begin
 103       return Os_Sem_Delete (Sem);
 104    end semDelete;
 105
 106    ------------------------
 107    -- taskCpuAffinitySet --
 108    ------------------------
 109
 110    function taskCpuAffinitySet (tid : t_id; CPU : int) return int is
 111       pragma Unreferenced (tid, CPU);
 112    begin
 113       return ERROR;
 114    end taskCpuAffinitySet;
 115
 116    -------------------------
 117    -- taskMaskAffinitySet --
 118    -------------------------
 119
 120    function taskMaskAffinitySet (tid : t_id; CPU_Set : unsigned) return int is
 121       pragma Unreferenced (tid, CPU_Set);
 122    begin
 123       return ERROR;
 124    end taskMaskAffinitySet;
 125
 126 end System.VxWorks.Ext;