gcc/ada/libgnarl/s-vxwext__rtp-smp.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) 2008-2018, 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 the VxWorks 6 RTP/SMP version of this package
  33
  34 package body System.VxWorks.Ext is
  35
  36    ERROR : constant := -1;
  37
  38    --------------
  39    -- Int_Lock --
  40    --------------
  41
  42    function Int_Lock return int is
  43    begin
  44       return ERROR;
  45    end Int_Lock;
  46
  47    ----------------
  48    -- Int_Unlock --
  49    ----------------
  50
  51    function Int_Unlock (Old : int) return int is
  52       pragma Unreferenced (Old);
  53    begin
  54       return ERROR;
  55    end Int_Unlock;
  56
  57    -----------------------
  58    -- Interrupt_Connect --
  59    -----------------------
  60
  61    function Interrupt_Connect
  62      (Vector    : Interrupt_Vector;
  63       Handler   : Interrupt_Handler;
  64       Parameter : System.Address := System.Null_Address) return int
  65    is
  66       pragma Unreferenced (Vector, Handler, Parameter);
  67    begin
  68       return ERROR;
  69    end Interrupt_Connect;
  70
  71    -----------------------
  72    -- Interrupt_Context --
  73    -----------------------
  74
  75    function Interrupt_Context return int is
  76    begin
  77       --  For RTPs, never in an interrupt context
  78
  79       return 0;
  80    end Interrupt_Context;
  81
  82    --------------------------------
  83    -- Interrupt_Number_To_Vector --
  84    --------------------------------
  85
  86    function Interrupt_Number_To_Vector
  87      (intNum : int) return Interrupt_Vector
  88    is
  89       pragma Unreferenced (intNum);
  90    begin
  91       return 0;
  92    end Interrupt_Number_To_Vector;
  93
  94    ---------------
  95    -- semDelete --
  96    ---------------
  97
  98    function semDelete (Sem : SEM_ID) return int is
  99       function OS_semDelete (Sem : SEM_ID) return int;
 100       pragma Import (C, OS_semDelete, "semDelete");
 101    begin
 102       return OS_semDelete (Sem);
 103    end semDelete;
 104
 105    --------------------
 106    -- Set_Time_Slice --
 107    --------------------
 108
 109    function Set_Time_Slice (ticks : int) return int is
 110       pragma Unreferenced (ticks);
 111    begin
 112       return ERROR;
 113    end Set_Time_Slice;
 114
 115    ------------------------
 116    -- taskCpuAffinitySet --
 117    ------------------------
 118
 119    function taskCpuAffinitySet (tid : t_id; CPU : int) return int
 120    is
 121       function Set_Affinity (tid : t_id; CPU : int) return int;
 122       pragma Import (C, Set_Affinity, "__gnat_set_affinity");
 123    begin
 124       return Set_Affinity (tid, CPU);
 125    end taskCpuAffinitySet;
 126
 127    -------------------------
 128    -- taskMaskAffinitySet --
 129    -------------------------
 130
 131    function taskMaskAffinitySet (tid : t_id; CPU_Set : unsigned) return int is
 132       function Set_Affinity (tid : t_id; CPU_Set : unsigned) return int;
 133       pragma Import (C, Set_Affinity, "__gnat_set_affinity_mask");
 134    begin
 135       return Set_Affinity (tid, CPU_Set);
 136    end taskMaskAffinitySet;
 137
 138 end System.VxWorks.Ext;