1 | /* Copyright (C) 2006-2022 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <errno.h> |
19 | #include <limits.h> |
20 | #include <pthread.h> |
21 | #include <sched.h> |
22 | #include <stdio.h> |
23 | #include <stdlib.h> |
24 | #include <string.h> |
25 | #include <unistd.h> |
26 | |
27 | #include "tst-tpp.h" |
28 | |
29 | static int |
30 | do_test (void) |
31 | { |
32 | int ret = 0; |
33 | |
34 | init_tpp_test (); |
35 | |
36 | pthread_mutexattr_t ma; |
37 | if (pthread_mutexattr_init (attr: &ma)) |
38 | { |
39 | puts (s: "mutexattr_init failed" ); |
40 | return 1; |
41 | } |
42 | if (pthread_mutexattr_setprotocol (attr: &ma, protocol: PTHREAD_PRIO_PROTECT)) |
43 | { |
44 | puts (s: "mutexattr_setprotocol failed" ); |
45 | return 1; |
46 | } |
47 | |
48 | int prioceiling; |
49 | if (pthread_mutexattr_getprioceiling (attr: &ma, prioceiling: &prioceiling)) |
50 | { |
51 | puts (s: "mutexattr_getprioceiling failed" ); |
52 | return 1; |
53 | } |
54 | |
55 | if (prioceiling < fifo_min || prioceiling > fifo_max) |
56 | { |
57 | printf (format: "prioceiling %d not in %d..%d range\n" , |
58 | prioceiling, fifo_min, fifo_max); |
59 | return 1; |
60 | } |
61 | |
62 | if (fifo_max < INT_MAX |
63 | && pthread_mutexattr_setprioceiling (attr: &ma, prioceiling: fifo_max + 1) != EINVAL) |
64 | { |
65 | printf (format: "mutexattr_setprioceiling %d did not fail with EINVAL\n" , |
66 | fifo_max + 1); |
67 | return 1; |
68 | } |
69 | |
70 | if (fifo_min > 0 |
71 | && pthread_mutexattr_setprioceiling (attr: &ma, prioceiling: fifo_min - 1) != EINVAL) |
72 | { |
73 | printf (format: "mutexattr_setprioceiling %d did not fail with EINVAL\n" , |
74 | fifo_min - 1); |
75 | return 1; |
76 | } |
77 | |
78 | if (pthread_mutexattr_setprioceiling (attr: &ma, prioceiling: fifo_min)) |
79 | { |
80 | puts (s: "mutexattr_setprioceiling failed" ); |
81 | return 1; |
82 | } |
83 | |
84 | if (pthread_mutexattr_setprioceiling (attr: &ma, prioceiling: fifo_max)) |
85 | { |
86 | puts (s: "mutexattr_setprioceiling failed" ); |
87 | return 1; |
88 | } |
89 | |
90 | if (pthread_mutexattr_setprioceiling (attr: &ma, prioceiling: 6)) |
91 | { |
92 | puts (s: "mutexattr_setprioceiling failed" ); |
93 | return 1; |
94 | } |
95 | |
96 | if (pthread_mutexattr_getprioceiling (attr: &ma, prioceiling: &prioceiling)) |
97 | { |
98 | puts (s: "mutexattr_getprioceiling failed" ); |
99 | return 1; |
100 | } |
101 | |
102 | if (prioceiling != 6) |
103 | { |
104 | printf (format: "mutexattr_getprioceiling returned %d != 6\n" , |
105 | prioceiling); |
106 | return 1; |
107 | } |
108 | |
109 | pthread_mutex_t m1, m2, m3; |
110 | int e = pthread_mutex_init (mutex: &m1, mutexattr: &ma); |
111 | if (e == ENOTSUP) |
112 | { |
113 | puts (s: "cannot support selected type of mutexes" ); |
114 | return 0; |
115 | } |
116 | else if (e != 0) |
117 | { |
118 | puts (s: "mutex_init failed" ); |
119 | return 1; |
120 | } |
121 | |
122 | if (pthread_mutexattr_setprioceiling (attr: &ma, prioceiling: 8)) |
123 | { |
124 | puts (s: "mutexattr_setprioceiling failed" ); |
125 | return 1; |
126 | } |
127 | |
128 | if (pthread_mutex_init (mutex: &m2, mutexattr: &ma)) |
129 | { |
130 | puts (s: "mutex_init failed" ); |
131 | return 1; |
132 | } |
133 | |
134 | if (pthread_mutexattr_setprioceiling (attr: &ma, prioceiling: 5)) |
135 | { |
136 | puts (s: "mutexattr_setprioceiling failed" ); |
137 | return 1; |
138 | } |
139 | |
140 | if (pthread_mutex_init (mutex: &m3, mutexattr: &ma)) |
141 | { |
142 | puts (s: "mutex_init failed" ); |
143 | return 1; |
144 | } |
145 | |
146 | CHECK_TPP_PRIORITY (4, 4); |
147 | |
148 | if (pthread_mutex_lock (mutex: &m1) != 0) |
149 | { |
150 | puts (s: "mutex_lock failed" ); |
151 | return 1; |
152 | } |
153 | |
154 | CHECK_TPP_PRIORITY (4, 6); |
155 | |
156 | if (pthread_mutex_trylock (mutex: &m2) != 0) |
157 | { |
158 | puts (s: "mutex_lock failed" ); |
159 | return 1; |
160 | } |
161 | |
162 | CHECK_TPP_PRIORITY (4, 8); |
163 | |
164 | if (pthread_mutex_lock (mutex: &m3) != 0) |
165 | { |
166 | puts (s: "mutex_lock failed" ); |
167 | return 1; |
168 | } |
169 | |
170 | CHECK_TPP_PRIORITY (4, 8); |
171 | |
172 | if (pthread_mutex_unlock (mutex: &m2) != 0) |
173 | { |
174 | puts (s: "mutex_unlock failed" ); |
175 | return 1; |
176 | } |
177 | |
178 | CHECK_TPP_PRIORITY (4, 6); |
179 | |
180 | if (pthread_mutex_unlock (mutex: &m1) != 0) |
181 | { |
182 | puts (s: "mutex_unlock failed" ); |
183 | return 1; |
184 | } |
185 | |
186 | CHECK_TPP_PRIORITY (4, 5); |
187 | |
188 | if (pthread_mutex_lock (mutex: &m2) != 0) |
189 | { |
190 | puts (s: "mutex_lock failed" ); |
191 | return 1; |
192 | } |
193 | |
194 | CHECK_TPP_PRIORITY (4, 8); |
195 | |
196 | if (pthread_mutex_unlock (mutex: &m2) != 0) |
197 | { |
198 | puts (s: "mutex_unlock failed" ); |
199 | return 1; |
200 | } |
201 | |
202 | CHECK_TPP_PRIORITY (4, 5); |
203 | |
204 | if (pthread_mutex_getprioceiling (mutex: &m1, prioceiling: &prioceiling)) |
205 | { |
206 | puts (s: "mutex_getprioceiling m1 failed" ); |
207 | return 1; |
208 | } |
209 | else if (prioceiling != 6) |
210 | { |
211 | printf (format: "unexpected m1 prioceiling %d != 6\n" , prioceiling); |
212 | return 1; |
213 | } |
214 | |
215 | if (pthread_mutex_getprioceiling (mutex: &m2, prioceiling: &prioceiling)) |
216 | { |
217 | puts (s: "mutex_getprioceiling m2 failed" ); |
218 | return 1; |
219 | } |
220 | else if (prioceiling != 8) |
221 | { |
222 | printf (format: "unexpected m2 prioceiling %d != 8\n" , prioceiling); |
223 | return 1; |
224 | } |
225 | |
226 | if (pthread_mutex_getprioceiling (mutex: &m3, prioceiling: &prioceiling)) |
227 | { |
228 | puts (s: "mutex_getprioceiling m3 failed" ); |
229 | return 1; |
230 | } |
231 | else if (prioceiling != 5) |
232 | { |
233 | printf (format: "unexpected m3 prioceiling %d != 5\n" , prioceiling); |
234 | return 1; |
235 | } |
236 | |
237 | if (pthread_mutex_setprioceiling (mutex: &m1, prioceiling: 7, old_ceiling: &prioceiling)) |
238 | { |
239 | printf (format: "mutex_setprioceiling failed" ); |
240 | return 1; |
241 | } |
242 | else if (prioceiling != 6) |
243 | { |
244 | printf (format: "unexpected m1 old prioceiling %d != 6\n" , prioceiling); |
245 | return 1; |
246 | } |
247 | |
248 | if (pthread_mutex_getprioceiling (mutex: &m1, prioceiling: &prioceiling)) |
249 | { |
250 | puts (s: "mutex_getprioceiling m1 failed" ); |
251 | return 1; |
252 | } |
253 | else if (prioceiling != 7) |
254 | { |
255 | printf (format: "unexpected m1 prioceiling %d != 7\n" , prioceiling); |
256 | return 1; |
257 | } |
258 | |
259 | CHECK_TPP_PRIORITY (4, 5); |
260 | |
261 | if (pthread_mutex_unlock (mutex: &m3) != 0) |
262 | { |
263 | puts (s: "mutex_unlock failed" ); |
264 | return 1; |
265 | } |
266 | |
267 | CHECK_TPP_PRIORITY (4, 4); |
268 | |
269 | if (pthread_mutex_trylock (mutex: &m1) != 0) |
270 | { |
271 | puts (s: "mutex_lock failed" ); |
272 | return 1; |
273 | } |
274 | |
275 | CHECK_TPP_PRIORITY (4, 7); |
276 | |
277 | struct sched_param sp; |
278 | memset (&sp, 0, sizeof (sp)); |
279 | sp.sched_priority = 8; |
280 | if (pthread_setschedparam (target_thread: pthread_self (), SCHED_FIFO, param: &sp)) |
281 | { |
282 | puts (s: "cannot set scheduling params" ); |
283 | return 1; |
284 | } |
285 | |
286 | CHECK_TPP_PRIORITY (8, 8); |
287 | |
288 | if (pthread_mutex_unlock (mutex: &m1) != 0) |
289 | { |
290 | puts (s: "mutex_unlock failed" ); |
291 | return 1; |
292 | } |
293 | |
294 | CHECK_TPP_PRIORITY (8, 8); |
295 | |
296 | if (pthread_mutex_lock (mutex: &m3) != EINVAL) |
297 | { |
298 | puts (s: "pthread_mutex_lock didn't fail with EINVAL" ); |
299 | return 1; |
300 | } |
301 | |
302 | CHECK_TPP_PRIORITY (8, 8); |
303 | |
304 | if (pthread_mutex_destroy (mutex: &m1) != 0) |
305 | { |
306 | puts (s: "mutex_destroy failed" ); |
307 | return 1; |
308 | } |
309 | |
310 | if (pthread_mutex_destroy (mutex: &m2) != 0) |
311 | { |
312 | puts (s: "mutex_destroy failed" ); |
313 | return 1; |
314 | } |
315 | |
316 | if (pthread_mutex_destroy (mutex: &m3) != 0) |
317 | { |
318 | puts (s: "mutex_destroy failed" ); |
319 | return 1; |
320 | } |
321 | |
322 | if (pthread_mutexattr_destroy (attr: &ma) != 0) |
323 | { |
324 | puts (s: "mutexattr_destroy failed" ); |
325 | return 1; |
326 | } |
327 | |
328 | return ret; |
329 | } |
330 | |
331 | #define TEST_FUNCTION do_test () |
332 | #include "../test-skeleton.c" |
333 | |