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) 2008-2020, 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 653 vThreads 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   subtype int is Interfaces.C.int;
46   subtype unsigned is Interfaces.C.unsigned;
47
48   type Interrupt_Handler is access procedure (parameter : System.Address);
49   pragma Convention (C, Interrupt_Handler);
50
51   type Interrupt_Vector is new System.Address;
52   function Int_Lock return int;
53   pragma Inline (Int_Lock);
54
55   function Int_Unlock (Old : int) return int;
56   pragma Inline (Int_Unlock);
57
58   function Interrupt_Connect
59     (Vector    : Interrupt_Vector;
60      Handler   : Interrupt_Handler;
61      Parameter : System.Address := System.Null_Address) return int;
62   pragma Convention (C, Interrupt_Connect);
63
64   function Interrupt_Context return int;
65   pragma Convention (C, Interrupt_Context);
66
67   function Interrupt_Number_To_Vector
68     (intNum : int) return Interrupt_Vector;
69   pragma Convention (C, Interrupt_Number_To_Vector);
70
71   function semDelete (Sem : SEM_ID) return int;
72   pragma Convention (C, semDelete);
73
74   function Task_Cont (tid : t_id) return int;
75   pragma Import (C, Task_Cont, "taskResume");
76
77   function Task_Stop (tid : t_id) return int;
78   pragma Import (C, Task_Stop, "taskSuspend");
79
80   function kill (pid : t_id; sig : int) return int;
81   pragma Import (C, kill, "kill");
82
83   function getpid return t_id;
84   pragma Import (C, getpid, "taskIdSelf");
85
86   function Set_Time_Slice (ticks : int) return int;
87   pragma Import (C, Set_Time_Slice, "kernelTimeSlice");
88
89   type UINT64 is mod 2 ** Long_Long_Integer'Size;
90
91   function tickGet return UINT64;
92   --  "tickGet" not available for cert vThreads:
93   pragma Import (C, tickGet, "tick64Get");
94
95   --------------------------------
96   -- Processor Affinity for SMP --
97   --------------------------------
98
99   function taskCpuAffinitySet (tid : t_id; CPU : int) return int;
100   pragma Convention (C, taskCpuAffinitySet);
101   --  For SMP run-times set the CPU affinity.
102   --  For uniprocessor systems return ERROR status.
103
104   function taskMaskAffinitySet (tid : t_id; CPU_Set : unsigned) return int;
105   pragma Convention (C, taskMaskAffinitySet);
106   --  For SMP run-times set the CPU mask affinity.
107   --  For uniprocessor systems return ERROR status.
108
109end System.VxWorks.Ext;
110