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
|
/*
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT 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
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <ch.h>
#if defined(WIN32) && defined(_DEBUG)
static BYTE8 wsT1[UserStackSize(512)];
static BYTE8 wsT2[UserStackSize(512)];
static BYTE8 wsT3[UserStackSize(512)];
static BYTE8 wsT4[UserStackSize(512)];
static BYTE8 wsT5[UserStackSize(512)];
#else
static BYTE8 wsT1[UserStackSize(64)];
static BYTE8 wsT2[UserStackSize(64)];
static BYTE8 wsT3[UserStackSize(64)];
static BYTE8 wsT4[UserStackSize(64)];
static BYTE8 wsT5[UserStackSize(64)];
#endif
static Thread *t1, *t2, *t3, *t4, *t5;
static FullDuplexDriver *comp;
static Semaphore sem1, sem2;
static void wait(void) {
chThdWait(t1);
chThdWait(t2);
chThdWait(t3);
chThdWait(t4);
chThdWait(t5);
}
static void println(char *msgp) {
while (*msgp)
chFDDPut(comp, *msgp++);
chFDDPut(comp, '\r');
chFDDPut(comp, '\n');
}
t_msg Thread1(void *p) {
chFDDPut(comp, *(BYTE8 *)p);
return 0;
}
t_msg Thread2(void *p) {
chSemWait(&sem1);
chFDDPut(comp, *(BYTE8 *)p);
return 0;
}
t_msg Thread3(void *p) {
chSemRaisePrioWait(&sem1);
chFDDPut(comp, *(BYTE8 *)p);
return 0;
}
t_msg Thread4(void *p) {
chSemWait(&sem1);
chFDDPut(comp, *(BYTE8 *)p);
/*
* NOTE: chSemSignalWait() is not the same of chSemSignal()+chSemWait().
* The former is performed atomically, try it.
*/
chSemSignalWait(&sem1, &sem2);
// chSemSignal(&sem1);
// chSemWait(&sem2);
chFDDPut(comp, *(BYTE8 *)p);
chSemSignal(&sem2);
return 0;
}
t_msg Thread5(void *p) {
chSemWait(&sem1);
chFDDPut(comp, *(BYTE8 *)p);
chSemRaisePrioSignalWait(&sem1, &sem2);
// chSemSignal(&sem1);
// chSemRaisePrioWait(&sem2);
chFDDPut(comp, *(BYTE8 *)p);
chSemLowerPrioSignal(&sem2);
return 0;
}
t_msg Thread6(void *p) {
t_msg msg;
int i;
for (i = 0; i < 5; i++) {
msg = chMsgSend(p, 'A' + i);
chFDDPut(comp, msg);
}
chMsgSend(p, 0);
return 0;
}
t_msg Thread7(void *p) {
// NOTE, this thread does not serve messages this causes the client to
// timeout.
chThdSleep(3000);
return 0;
}
/**
* Tester thread, this thread must be created with priority \p NORMALPRIO.
*/
t_msg TestThread(void *p) {
t_msg msg;
int i;
comp = p;
/*
* Ready list ordering test.
*/
println("*** Ready List, priority enqueuing test #1, you should read ABCDE:");
t5 = chThdCreate(NORMALPRIO-5, 0, wsT5, sizeof(wsT5), Thread1, "E");
t4 = chThdCreate(NORMALPRIO-4, 0, wsT4, sizeof(wsT4), Thread1, "D");
t3 = chThdCreate(NORMALPRIO-3, 0, wsT3, sizeof(wsT3), Thread1, "C");
t2 = chThdCreate(NORMALPRIO-2, 0, wsT2, sizeof(wsT2), Thread1, "B");
t1 = chThdCreate(NORMALPRIO-1, 0, wsT1, sizeof(wsT1), Thread1, "A");
wait();
println("");
println("*** Ready List, priority enqueuing test #2, you should read ABCDE:");
t4 = chThdCreate(NORMALPRIO-4, 0, wsT4, sizeof(wsT4), Thread1, "D");
t5 = chThdCreate(NORMALPRIO-5, 0, wsT5, sizeof(wsT5), Thread1, "E");
t1 = chThdCreate(NORMALPRIO-1, 0, wsT1, sizeof(wsT1), Thread1, "A");
t2 = chThdCreate(NORMALPRIO-2, 0, wsT2, sizeof(wsT2), Thread1, "B");
t3 = chThdCreate(NORMALPRIO-3, 0, wsT3, sizeof(wsT3), Thread1, "C");
wait();
println("");
/*
* Semaphores test.
*/
chSemInit(&sem1, 0);
println("*** Semaphores, FIFO enqueuing test, you should read ABCDE:");
t1 = chThdCreate(NORMALPRIO+5, 0, wsT1, sizeof(wsT1), Thread2, "A");
t2 = chThdCreate(NORMALPRIO+1, 0, wsT2, sizeof(wsT2), Thread2, "B");
t3 = chThdCreate(NORMALPRIO+3, 0, wsT3, sizeof(wsT3), Thread2, "C");
t4 = chThdCreate(NORMALPRIO+4, 0, wsT4, sizeof(wsT4), Thread2, "D");
t5 = chThdCreate(NORMALPRIO+2, 0, wsT5, sizeof(wsT5), Thread2, "E");
chSemSignal(&sem1);
chSemSignal(&sem1);
chSemSignal(&sem1);
chSemSignal(&sem1);
chSemSignal(&sem1);
wait();
println("");
println("*** Semaphores, priority enqueuing test #1, you should read ABCDE:");
t5 = chThdCreate(NORMALPRIO+1, 0, wsT5, sizeof(wsT5), Thread3, "E");
t4 = chThdCreate(NORMALPRIO+2, 0, wsT4, sizeof(wsT4), Thread3, "D");
t3 = chThdCreate(NORMALPRIO+3, 0, wsT3, sizeof(wsT3), Thread3, "C");
t2 = chThdCreate(NORMALPRIO+4, 0, wsT2, sizeof(wsT2), Thread3, "B");
t1 = chThdCreate(NORMALPRIO+5, 0, wsT1, sizeof(wsT1), Thread3, "A");
chSemLowerPrioSignal(&sem1);
chSemLowerPrioSignal(&sem1);
chSemLowerPrioSignal(&sem1);
chSemLowerPrioSignal(&sem1);
chSemLowerPrioSignal(&sem1);
wait();
println("");
println("*** Semaphores, priority enqueuing test #2, you should read ABCDE:");
t4 = chThdCreate(NORMALPRIO+2, 0, wsT4, sizeof(wsT4), Thread3, "D");
t5 = chThdCreate(NORMALPRIO+1, 0, wsT5, sizeof(wsT5), Thread3, "E");
t1 = chThdCreate(NORMALPRIO+5, 0, wsT1, sizeof(wsT1), Thread3, "A");
t2 = chThdCreate(NORMALPRIO+4, 0, wsT2, sizeof(wsT2), Thread3, "B");
t3 = chThdCreate(NORMALPRIO+3, 0, wsT3, sizeof(wsT3), Thread3, "C");
chSemLowerPrioSignal(&sem1);
chSemLowerPrioSignal(&sem1);
chSemLowerPrioSignal(&sem1);
chSemLowerPrioSignal(&sem1);
chSemLowerPrioSignal(&sem1);
wait();
println("");
println("*** Semaphores, atomicity test #1, you should read ABCDEABCDE:");
chSemInit(&sem1, 0);
chSemInit(&sem2, 1);
t1 = chThdCreate(NORMALPRIO+1, 0, wsT1, sizeof(wsT1), Thread4, "A");
t2 = chThdCreate(NORMALPRIO+2, 0, wsT2, sizeof(wsT2), Thread4, "B");
t3 = chThdCreate(NORMALPRIO+3, 0, wsT3, sizeof(wsT3), Thread4, "C");
t4 = chThdCreate(NORMALPRIO+4, 0, wsT4, sizeof(wsT4), Thread4, "D");
t5 = chThdCreate(NORMALPRIO+5, 0, wsT5, sizeof(wsT5), Thread4, "E");
chSemSignal(&sem1);
wait();
println("");
println("*** Semaphores, atomicity test #2, you should read ABCDEABCDE:");
chSemInit(&sem1, 0);
chSemInit(&sem2, 1);
t1 = chThdCreate(NORMALPRIO+1, 0, wsT1, sizeof(wsT1), Thread4, "A");
t2 = chThdCreate(NORMALPRIO+5, 0, wsT2, sizeof(wsT2), Thread4, "B");
t3 = chThdCreate(NORMALPRIO+2, 0, wsT3, sizeof(wsT3), Thread4, "C");
t4 = chThdCreate(NORMALPRIO+4, 0, wsT4, sizeof(wsT4), Thread4, "D");
t5 = chThdCreate(NORMALPRIO+3, 0, wsT5, sizeof(wsT5), Thread4, "E");
chSemSignal(&sem1);
wait();
println("");
println("*** Semaphores, atomicity test #3, you should read AABBCCDDEE:");
chSemInit(&sem1, 0);
chSemInit(&sem2, 1);
t1 = chThdCreate(NORMALPRIO+1, 0, wsT1, sizeof(wsT1), Thread5, "A");
t2 = chThdCreate(NORMALPRIO+2, 0, wsT2, sizeof(wsT2), Thread5, "B");
t3 = chThdCreate(NORMALPRIO+3, 0, wsT3, sizeof(wsT3), Thread5, "C");
t4 = chThdCreate(NORMALPRIO+4, 0, wsT4, sizeof(wsT4), Thread5, "D");
t5 = chThdCreate(NORMALPRIO+5, 0, wsT5, sizeof(wsT5), Thread5, "E");
chSemSignal(&sem1);
wait();
println("");
println("*** Semaphores, atomicity test #4, you should read AABBCCDDEE:");
chSemInit(&sem1, 0);
chSemInit(&sem2, 1);
t1 = chThdCreate(NORMALPRIO+1, 0, wsT1, sizeof(wsT1), Thread5, "A");
t2 = chThdCreate(NORMALPRIO+5, 0, wsT2, sizeof(wsT2), Thread5, "B");
t3 = chThdCreate(NORMALPRIO+2, 0, wsT3, sizeof(wsT3), Thread5, "C");
t4 = chThdCreate(NORMALPRIO+4, 0, wsT4, sizeof(wsT4), Thread5, "D");
t5 = chThdCreate(NORMALPRIO+3, 0, wsT5, sizeof(wsT5), Thread5, "E");
chSemSignal(&sem1);
wait();
println("");
println("*** Semaphores, timeout test, you should read ABCDE (slowly):");
chSemInit(&sem1, 0);
for (i = 0; i < 5; i++) {
chFDDPut(comp, 'A'+i);
chSemWaitTimeout(&sem1, 500);
}
println("");
/*
* Messages test.
*/
println("*** Messages, dispatch test, you should read AABBCCDDEE:");
t1 = chThdCreate(NORMALPRIO-1, 0, wsT1, sizeof(wsT1), Thread6, chThdSelf());
do {
chMsgRelease(msg = chMsgWait());
if (msg)
chFDDPut(comp, msg);
} while (msg);
chThdWait(t1);
println("");
println("*** Messages, timeout test, you should read ABCDE (slowly):");
t1 = chThdCreate(NORMALPRIO-1, 0, wsT1, sizeof(wsT1), Thread7, chThdSelf());
for (i = 0; i < 5; i++) {
chFDDPut(comp, 'A'+i);
chMsgSendTimeout(t1, 'A'+i, 500);
}
chMsgSendTimeout(t1, 0, 500);
chThdWait(t1);
println("");
println("\r\nTest complete");
return 0;
}
|