File : s-vxwext-kernel-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) 2008-2015, 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 --                                                                          --
  19 --                                                                          --
  20 --                                                                          --
  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 SMP kernel 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    -- semDelete --
  59    ---------------
  60 
  61    function semDelete (Sem : SEM_ID) return int is
  62       function Os_Sem_Delete (Sem : SEM_ID) return int;
  63       pragma Import (C, Os_Sem_Delete, "semDelete");
  64    begin
  65       return Os_Sem_Delete (Sem);
  66    end semDelete;
  67 
  68    ------------------------
  69    -- taskCpuAffinitySet --
  70    ------------------------
  71 
  72    function taskCpuAffinitySet (tid : t_id; CPU : int) return int
  73    is
  74       function Set_Affinity (tid : t_id; CPU : int) return int;
  75       pragma Import (C, Set_Affinity, "__gnat_set_affinity");
  76    begin
  77       return Set_Affinity (tid, CPU);
  78    end taskCpuAffinitySet;
  79 
  80    -------------------------
  81    -- taskMaskAffinitySet --
  82    -------------------------
  83 
  84    function taskMaskAffinitySet (tid : t_id; CPU_Set : unsigned) return int is
  85       function Set_Affinity (tid : t_id; CPU_Set : unsigned) return int;
  86       pragma Import (C, Set_Affinity, "__gnat_set_affinity_mask");
  87    begin
  88       return Set_Affinity (tid, CPU_Set);
  89    end taskMaskAffinitySet;
  90 
  91    --------------
  92    -- taskCont --
  93    --------------
  94 
  95    function Task_Cont (tid : t_id) return int is
  96       function taskCont (tid : t_id) return int;
  97       pragma Import (C, taskCont, "taskCont");
  98    begin
  99       return taskCont (tid);
 100    end Task_Cont;
 101 
 102    --------------
 103    -- taskStop --
 104    --------------
 105 
 106    function Task_Stop (tid : t_id) return int is
 107       function taskStop (tid : t_id) return int;
 108       pragma Import (C, taskStop, "taskStop");
 109    begin
 110       return taskStop (tid);
 111    end Task_Stop;
 112 
 113 end System.VxWorks.Ext;