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--                                   S p e c                                --
8--                                                                          --
9--            Copyright (C) 2008-2019, Free Software Foundation, Inc.       --
10--                                                                          --
11-- GNARL 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 5 and VxWorks MILS version of this package
33
34with Interfaces.C;
35
36package System.VxWorks.Ext is
37   pragma Preelaborate;
38
39   subtype SEM_ID is Long_Integer;
40   --  typedef struct semaphore *SEM_ID;
41
42   type sigset_t is mod 2 ** Interfaces.C.long'Size;
43
44   type t_id is new Long_Integer;
45
46   subtype int is Interfaces.C.int;
47   subtype unsigned is Interfaces.C.unsigned;
48
49   type Interrupt_Handler is access procedure (parameter : System.Address);
50   pragma Convention (C, Interrupt_Handler);
51
52   type Interrupt_Vector is new System.Address;
53
54   function Int_Lock return int;
55   pragma Import (C, Int_Lock, "intLock");
56
57   function Int_Unlock (Old : int) return int;
58   pragma Import (C, Int_Unlock, "intUnlock");
59
60   function Interrupt_Connect
61     (Vector    : Interrupt_Vector;
62      Handler   : Interrupt_Handler;
63      Parameter : System.Address := System.Null_Address) return int;
64   pragma Import (C, Interrupt_Connect, "intConnect");
65
66   function Interrupt_Context return int;
67   pragma Import (C, Interrupt_Context, "intContext");
68
69   function Interrupt_Number_To_Vector
70     (intNum : int) return Interrupt_Vector;
71   pragma Import (C, Interrupt_Number_To_Vector, "__gnat_inum_to_ivec");
72
73   function semDelete (Sem : SEM_ID) return int;
74   pragma Import (C, semDelete, "semDelete");
75
76   function Task_Cont (tid : t_id) return int;
77   pragma Import (C, Task_Cont, "taskResume");
78
79   function Task_Stop (tid : t_id) return int;
80   pragma Import (C, Task_Stop, "taskSuspend");
81
82   function kill (pid : t_id; sig : int) return int;
83   pragma Import (C, kill, "kill");
84
85   function getpid return t_id;
86   pragma Import (C, getpid, "taskIdSelf");
87
88   function Set_Time_Slice (ticks : int) return int;
89   pragma Import (C, Set_Time_Slice, "kernelTimeSlice");
90
91   --------------------------------
92   -- Processor Affinity for SMP --
93   --------------------------------
94
95   function taskCpuAffinitySet (tid : t_id; CPU : int) return int;
96   pragma Convention (C, taskCpuAffinitySet);
97   --  For SMP run-times set the CPU affinity.
98   --  For uniprocessor systems return ERROR status.
99
100   function taskMaskAffinitySet (tid : t_id; CPU_Set : unsigned) return int;
101   pragma Convention (C, taskMaskAffinitySet);
102   --  For SMP run-times set the CPU mask affinity.
103   --  For uniprocessor systems return ERROR status.
104
105end System.VxWorks.Ext;
106