1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
|
------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
-- S Y S T E M . I N T E R R U P T S --
-- --
-- B o d y --
-- --
-- Copyright (C) 1991-1994, Florida State University --
-- Copyright (C) 1995-2008, AdaCore --
-- --
-- GNARL is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNARL; see file COPYING. If not, write --
-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
-- Boston, MA 02110-1301, USA. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
-- --
-- GNARL was developed by the GNARL team at Florida State University. --
-- Extensive contributions were provided by Ada Core Technologies, Inc. --
-- --
------------------------------------------------------------------------------
-- This version is for systems that do not support interrupts (or signals)
package body System.Interrupts is
pragma Warnings (Off); -- kill warnings on unreferenced formals
use System.Tasking;
-----------------------
-- Local Subprograms --
-----------------------
procedure Unimplemented;
-- This procedure raises a Program_Error with an appropriate message
-- indicating that an unimplemented feature has been used.
--------------------
-- Attach_Handler --
--------------------
procedure Attach_Handler
(New_Handler : Parameterless_Handler;
Interrupt : Interrupt_ID;
Static : Boolean := False)
is
begin
Unimplemented;
end Attach_Handler;
-----------------------------
-- Bind_Interrupt_To_Entry --
-----------------------------
procedure Bind_Interrupt_To_Entry
(T : Task_Id;
E : Task_Entry_Index;
Int_Ref : System.Address)
is
begin
Unimplemented;
end Bind_Interrupt_To_Entry;
---------------------
-- Block_Interrupt --
---------------------
procedure Block_Interrupt (Interrupt : Interrupt_ID) is
begin
Unimplemented;
end Block_Interrupt;
---------------------
-- Current_Handler --
---------------------
function Current_Handler
(Interrupt : Interrupt_ID) return Parameterless_Handler
is
begin
Unimplemented;
return null;
end Current_Handler;
--------------------
-- Detach_Handler --
--------------------
procedure Detach_Handler
(Interrupt : Interrupt_ID;
Static : Boolean := False)
is
begin
Unimplemented;
end Detach_Handler;
------------------------------
-- Detach_Interrupt_Entries --
------------------------------
procedure Detach_Interrupt_Entries (T : Task_Id) is
begin
Unimplemented;
end Detach_Interrupt_Entries;
----------------------
-- Exchange_Handler --
----------------------
procedure Exchange_Handler
(Old_Handler : out Parameterless_Handler;
New_Handler : Parameterless_Handler;
Interrupt : Interrupt_ID;
Static : Boolean := False)
is
begin
Old_Handler := null;
Unimplemented;
end Exchange_Handler;
--------------
-- Finalize --
--------------
procedure Finalize (Object : in out Static_Interrupt_Protection) is
begin
Unimplemented;
end Finalize;
-------------------------------------
-- Has_Interrupt_Or_Attach_Handler --
-------------------------------------
function Has_Interrupt_Or_Attach_Handler
(Object : access Dynamic_Interrupt_Protection)
return Boolean
is
pragma Warnings (Off, Object);
begin
Unimplemented;
return True;
end Has_Interrupt_Or_Attach_Handler;
function Has_Interrupt_Or_Attach_Handler
(Object : access Static_Interrupt_Protection)
return Boolean
is
pragma Warnings (Off, Object);
begin
Unimplemented;
return True;
end Has_Interrupt_Or_Attach_Handler;
----------------------
-- Ignore_Interrupt --
----------------------
procedure Ignore_Interrupt (Interrupt : Interrupt_ID) is
begin
Unimplemented;
end Ignore_Interrupt;
----------------------
-- Install_Handlers --
----------------------
procedure Install_Handlers
(Object : access Static_Interrupt_Protection;
New_Handlers : New_Handler_Array)
is
begin
Unimplemented;
end Install_Handlers;
---------------------------------
-- Install_Restricted_Handlers --
---------------------------------
procedure Install_Restricted_Handlers (Handlers : New_Handler_Array) is
begin
Unimplemented;
end Install_Restricted_Handlers;
----------------
-- Is_Blocked --
----------------
function Is_Blocked (Interrupt : Interrupt_ID) return Boolean is
begin
Unimplemented;
return True;
end Is_Blocked;
-----------------------
-- Is_Entry_Attached --
-----------------------
function Is_Entry_Attached (Interrupt : Interrupt_ID) return Boolean is
begin
Unimplemented;
return True;
end Is_Entry_Attached;
-------------------------
-- Is_Handler_Attached --
-------------------------
function Is_Handler_Attached (Interrupt : Interrupt_ID) return Boolean is
begin
Unimplemented;
return True;
end Is_Handler_Attached;
----------------
-- Is_Ignored --
----------------
function Is_Ignored (Interrupt : Interrupt_ID) return Boolean is
begin
Unimplemented;
return True;
end Is_Ignored;
-----------------
-- Is_Reserved --
-----------------
function Is_Reserved (Interrupt : Interrupt_ID) return Boolean is
begin
Unimplemented;
return True;
end Is_Reserved;
---------------
-- Reference --
---------------
function Reference (Interrupt : Interrupt_ID) return System.Address is
begin
Unimplemented;
return Interrupt'Address;
end Reference;
--------------------------------
-- Register_Interrupt_Handler --
--------------------------------
procedure Register_Interrupt_Handler
(Handler_Addr : System.Address)
is
begin
Unimplemented;
end Register_Interrupt_Handler;
-----------------------
-- Unblock_Interrupt --
-----------------------
procedure Unblock_Interrupt (Interrupt : Interrupt_ID) is
begin
Unimplemented;
end Unblock_Interrupt;
------------------
-- Unblocked_By --
------------------
function Unblocked_By (Interrupt : Interrupt_ID)
return System.Tasking.Task_Id is
begin
Unimplemented;
return null;
end Unblocked_By;
------------------------
-- Unignore_Interrupt --
------------------------
procedure Unignore_Interrupt (Interrupt : Interrupt_ID) is
begin
Unimplemented;
end Unignore_Interrupt;
-------------------
-- Unimplemented; --
-------------------
procedure Unimplemented is
begin
raise Program_Error with "interrupts/signals not implemented";
end Unimplemented;
end System.Interrupts;
|
