gcc/ada/libgnarl/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) 2008-2023, 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 SMP kernel version of this package
  33
  34 package body System.VxWorks.Ext is
  35
  36    IERR : constant := -1;
  37
  38    --------------
  39    -- Int_Lock --
  40    --------------
  41
  42    function Int_Lock return int is
  43    begin
  44       return IERR;
  45    end Int_Lock;
  46
  47    ----------------
  48    -- Int_Unlock --
  49    ----------------
  50
  51    procedure Int_Unlock (Old : int) is
  52       pragma Unreferenced (Old);
  53    begin
  54       null;
  55    end Int_Unlock;
  56
  57    ---------------
  58    -- semDelete --
  59    ---------------
  60
  61    function semDelete (Sem : SEM_ID) return STATUS is
  62       function Os_Sem_Delete (Sem : SEM_ID) return STATUS;
  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    -- Task_Cont --
  93    ---------------
  94
  95    function Task_Cont (tid : t_id) return STATUS is
  96       function taskCont (tid : t_id) return STATUS;
  97       pragma Import (C, taskCont, "taskCont");
  98    begin
  99       return taskCont (tid);
 100    end Task_Cont;
 101
 102    ---------------
 103    -- Task_Stop --
 104    ---------------
 105
 106    function Task_Stop (tid : t_id) return STATUS is
 107       function taskStop (tid : t_id) return STATUS;
 108       pragma Import (C, taskStop, "taskStop");
 109    begin
 110       return taskStop (tid);
 111    end Task_Stop;
 112
 113 end System.VxWorks.Ext;