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1b82c6c7 | 1 | /* Test message queue passing. |
04277e02 | 2 | Copyright (C) 2004-2019 Free Software Foundation, Inc. |
1b82c6c7 UD |
3 | This file is part of the GNU C Library. |
4 | Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
1b82c6c7 UD |
19 | |
20 | #include <errno.h> | |
21 | #include <fcntl.h> | |
22 | #include <mqueue.h> | |
23 | #include <signal.h> | |
24 | #include <stdio.h> | |
25 | #include <stdlib.h> | |
26 | #include <string.h> | |
27 | #include <sys/time.h> | |
28 | #include <sys/wait.h> | |
29 | #include <time.h> | |
30 | #include <unistd.h> | |
31 | #include "tst-mqueue.h" | |
32 | ||
33 | static void | |
34 | alrm_handler (int sig) | |
35 | { | |
36 | } | |
37 | ||
1b82c6c7 UD |
38 | #define TEST_FUNCTION do_test () |
39 | static int | |
40 | do_test (void) | |
41 | { | |
42 | int result = 0; | |
43 | ||
44 | char name[sizeof "/tst-mqueue2-" + sizeof (pid_t) * 3]; | |
45 | snprintf (name, sizeof (name), "/tst-mqueue2-%u", getpid ()); | |
46 | ||
47 | struct mq_attr attr = { .mq_maxmsg = 2, .mq_msgsize = 2 }; | |
48 | mqd_t q = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr); | |
49 | ||
50 | if (q == (mqd_t) -1) | |
51 | { | |
52 | printf ("mq_open failed with: %m\n"); | |
53 | return result; | |
54 | } | |
55 | else | |
56 | add_temp_mq (name); | |
57 | ||
58 | mqd_t q2 = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr); | |
59 | if (q2 != (mqd_t) -1) | |
60 | { | |
61 | puts ("mq_open with O_EXCL unexpectedly succeeded"); | |
62 | result = 1; | |
63 | } | |
64 | else if (errno != EEXIST) | |
65 | { | |
66 | printf ("mq_open did not fail with EEXIST: %m\n"); | |
67 | result = 1; | |
68 | } | |
69 | ||
70 | char name2[sizeof "/tst-mqueue2-2-" + sizeof (pid_t) * 3]; | |
71 | snprintf (name2, sizeof (name2), "/tst-mqueue2-2-%u", getpid ()); | |
72 | ||
73 | attr.mq_maxmsg = -2; | |
74 | q2 = mq_open (name2, O_CREAT | O_EXCL | O_RDWR, 0600, &attr); | |
75 | if (q2 != (mqd_t) -1) | |
76 | { | |
77 | puts ("mq_open with invalid mq_maxmsg unexpectedly succeeded"); | |
78 | add_temp_mq (name2); | |
79 | result = 1; | |
80 | } | |
81 | else if (errno != EINVAL) | |
82 | { | |
83 | printf ("mq_open with invalid mq_maxmsg did not fail with " | |
84 | "EINVAL: %m\n"); | |
85 | result = 1; | |
86 | } | |
87 | ||
88 | attr.mq_maxmsg = 2; | |
89 | attr.mq_msgsize = -56; | |
90 | q2 = mq_open (name2, O_CREAT | O_EXCL | O_RDWR, 0600, &attr); | |
91 | if (q2 != (mqd_t) -1) | |
92 | { | |
93 | puts ("mq_open with invalid mq_msgsize unexpectedly succeeded"); | |
94 | add_temp_mq (name2); | |
95 | result = 1; | |
96 | } | |
97 | else if (errno != EINVAL) | |
98 | { | |
99 | printf ("mq_open with invalid mq_msgsize did not fail with " | |
100 | "EINVAL: %m\n"); | |
101 | result = 1; | |
102 | } | |
103 | ||
104 | char buf[3]; | |
105 | struct timespec ts; | |
106 | if (clock_gettime (CLOCK_REALTIME, &ts) == 0) | |
107 | ts.tv_sec += 10; | |
108 | else | |
109 | { | |
110 | ts.tv_sec = time (NULL) + 10; | |
111 | ts.tv_nsec = 0; | |
112 | } | |
113 | ||
114 | if (mq_timedreceive (q, buf, 1, NULL, &ts) == 0) | |
115 | { | |
116 | puts ("mq_timedreceive with too small msg_len did not fail"); | |
117 | result = 1; | |
118 | } | |
119 | else if (errno != EMSGSIZE) | |
120 | { | |
121 | printf ("mq_timedreceive with too small msg_len did not fail with " | |
122 | "EMSGSIZE: %m\n"); | |
123 | result = 1; | |
124 | } | |
125 | ||
126 | ts.tv_nsec = -1; | |
127 | if (mq_timedreceive (q, buf, 2, NULL, &ts) == 0) | |
128 | { | |
129 | puts ("mq_timedreceive with negative tv_nsec did not fail"); | |
130 | result = 1; | |
131 | } | |
132 | else if (errno != EINVAL) | |
133 | { | |
134 | printf ("mq_timedreceive with negative tv_nsec did not fail with " | |
135 | "EINVAL: %m\n"); | |
136 | result = 1; | |
137 | } | |
138 | ||
139 | ts.tv_nsec = 1000000000; | |
140 | if (mq_timedreceive (q, buf, 2, NULL, &ts) == 0) | |
141 | { | |
142 | puts ("mq_timedreceive with tv_nsec >= 1000000000 did not fail"); | |
143 | result = 1; | |
144 | } | |
145 | else if (errno != EINVAL) | |
146 | { | |
147 | printf ("mq_timedreceive with tv_nsec >= 1000000000 did not fail with " | |
148 | "EINVAL: %m\n"); | |
149 | result = 1; | |
150 | } | |
151 | ||
152 | struct sigaction sa = { .sa_handler = alrm_handler, .sa_flags = 0 }; | |
153 | sigemptyset (&sa.sa_mask); | |
154 | sigaction (SIGALRM, &sa, NULL); | |
155 | ||
156 | struct itimerval it = { .it_value = { .tv_sec = 1 } }; | |
157 | setitimer (ITIMER_REAL, &it, NULL); | |
158 | ||
159 | if (mq_receive (q, buf, 2, NULL) == 0) | |
160 | { | |
161 | puts ("mq_receive on empty queue did not block"); | |
162 | result = 1; | |
163 | } | |
164 | else if (errno != EINTR) | |
165 | { | |
166 | printf ("mq_receive on empty queue did not fail with EINTR: %m\n"); | |
167 | result = 1; | |
168 | } | |
169 | ||
170 | setitimer (ITIMER_REAL, &it, NULL); | |
171 | ||
172 | ts.tv_nsec = 0; | |
173 | if (mq_timedreceive (q, buf, 2, NULL, &ts) == 0) | |
174 | { | |
175 | puts ("mq_timedreceive on empty queue did not block"); | |
176 | result = 1; | |
177 | } | |
178 | else if (errno != EINTR) | |
179 | { | |
180 | printf ("mq_timedreceive on empty queue did not fail with EINTR: %m\n"); | |
181 | result = 1; | |
182 | } | |
183 | ||
184 | buf[0] = '6'; | |
185 | buf[1] = '7'; | |
186 | if (mq_send (q, buf, 2, 3) != 0 | |
187 | || (buf[0] = '8', mq_send (q, buf, 1, 4) != 0)) | |
188 | { | |
189 | printf ("mq_send failed: %m\n"); | |
190 | result = 1; | |
191 | } | |
192 | ||
193 | memset (buf, ' ', sizeof (buf)); | |
194 | ||
195 | unsigned int prio; | |
196 | ssize_t rets = mq_receive (q, buf, 3, &prio); | |
197 | if (rets != 1) | |
198 | { | |
199 | if (rets == -1) | |
200 | printf ("mq_receive failed: %m\n"); | |
201 | else | |
202 | printf ("mq_receive returned %zd != 1\n", rets); | |
203 | result = 1; | |
204 | } | |
205 | else if (prio != 4 || memcmp (buf, "8 ", 3) != 0) | |
206 | { | |
207 | printf ("mq_receive prio %u (4) buf \"%c%c%c\" (\"8 \")\n", | |
208 | prio, buf[0], buf[1], buf[2]); | |
209 | result = 1; | |
210 | } | |
211 | ||
212 | rets = mq_receive (q, buf, 2, NULL); | |
213 | if (rets != 2) | |
214 | { | |
215 | if (rets == -1) | |
216 | printf ("mq_receive failed: %m\n"); | |
217 | else | |
218 | printf ("mq_receive returned %zd != 2\n", rets); | |
219 | result = 1; | |
220 | } | |
221 | else if (memcmp (buf, "67 ", 3) != 0) | |
222 | { | |
223 | printf ("mq_receive buf \"%c%c%c\" != \"67 \"\n", | |
224 | buf[0], buf[1], buf[2]); | |
225 | result = 1; | |
226 | } | |
227 | ||
228 | buf[0] = '2'; | |
229 | buf[1] = '1'; | |
230 | if (clock_gettime (CLOCK_REALTIME, &ts) != 0) | |
231 | ts.tv_sec = time (NULL); | |
232 | ts.tv_nsec = -1000000001; | |
233 | if ((mq_timedsend (q, buf, 2, 5, &ts) != 0 | |
234 | && (errno != EINVAL || mq_send (q, buf, 2, 5) != 0)) | |
235 | || (buf[0] = '3', ts.tv_nsec = -ts.tv_nsec, | |
236 | (mq_timedsend (q, buf, 1, 4, &ts) != 0 | |
237 | && (errno != EINVAL || mq_send (q, buf, 1, 4) != 0)))) | |
238 | { | |
239 | printf ("mq_timedsend failed: %m\n"); | |
240 | result = 1; | |
241 | } | |
242 | ||
243 | buf[0] = '-'; | |
244 | ts.tv_nsec = 1000000001; | |
245 | if (mq_timedsend (q, buf, 1, 6, &ts) == 0) | |
246 | { | |
247 | puts ("mq_timedsend with tv_nsec >= 1000000000 did not fail"); | |
248 | result = 1; | |
249 | } | |
250 | else if (errno != EINVAL) | |
251 | { | |
252 | printf ("mq_timedsend with tv_nsec >= 1000000000 did not fail with " | |
253 | "EINVAL: %m\n"); | |
254 | result = 1; | |
255 | } | |
256 | ||
257 | ts.tv_nsec = -2; | |
258 | if (mq_timedsend (q, buf, 1, 6, &ts) == 0) | |
259 | { | |
260 | puts ("mq_timedsend with negative tv_nsec did not fail"); | |
261 | result = 1; | |
262 | } | |
263 | else if (errno != EINVAL) | |
264 | { | |
265 | printf ("mq_timedsend with megatove tv_nsec did not fail with " | |
266 | "EINVAL: %m\n"); | |
267 | result = 1; | |
268 | } | |
269 | ||
270 | setitimer (ITIMER_REAL, &it, NULL); | |
271 | ||
272 | if (mq_send (q, buf, 2, 8) == 0) | |
273 | { | |
274 | puts ("mq_send on full queue did not block"); | |
275 | result = 1; | |
276 | } | |
277 | else if (errno != EINTR) | |
278 | { | |
279 | printf ("mq_send on full queue did not fail with EINTR: %m\n"); | |
280 | result = 1; | |
281 | } | |
282 | ||
283 | setitimer (ITIMER_REAL, &it, NULL); | |
284 | ||
285 | ts.tv_sec += 10; | |
286 | ts.tv_nsec = 0; | |
287 | if (mq_timedsend (q, buf, 2, 7, &ts) == 0) | |
288 | { | |
289 | puts ("mq_timedsend on full queue did not block"); | |
290 | result = 1; | |
291 | } | |
292 | else if (errno != EINTR) | |
293 | { | |
294 | printf ("mq_timedsend on full queue did not fail with EINTR: %m\n"); | |
295 | result = 1; | |
296 | } | |
297 | ||
298 | memset (buf, ' ', sizeof (buf)); | |
299 | ||
300 | if (clock_gettime (CLOCK_REALTIME, &ts) != 0) | |
301 | ts.tv_sec = time (NULL); | |
302 | ts.tv_nsec = -1000000001; | |
303 | rets = mq_timedreceive (q, buf, 2, &prio, &ts); | |
304 | if (rets == -1 && errno == EINVAL) | |
305 | rets = mq_receive (q, buf, 2, &prio); | |
306 | if (rets != 2) | |
307 | { | |
308 | if (rets == -1) | |
309 | printf ("mq_timedreceive failed: %m\n"); | |
310 | else | |
311 | printf ("mq_timedreceive returned %zd != 2\n", rets); | |
312 | result = 1; | |
313 | } | |
314 | else if (prio != 5 || memcmp (buf, "21 ", 3) != 0) | |
315 | { | |
316 | printf ("mq_timedreceive prio %u (5) buf \"%c%c%c\" (\"21 \")\n", | |
317 | prio, buf[0], buf[1], buf[2]); | |
318 | result = 1; | |
319 | } | |
320 | ||
321 | if (mq_receive (q, buf, 1, NULL) == 0) | |
322 | { | |
323 | puts ("mq_receive with too small msg_len did not fail"); | |
324 | result = 1; | |
325 | } | |
326 | else if (errno != EMSGSIZE) | |
327 | { | |
328 | printf ("mq_receive with too small msg_len did not fail with " | |
329 | "EMSGSIZE: %m\n"); | |
330 | result = 1; | |
331 | } | |
332 | ||
333 | ts.tv_nsec = -ts.tv_nsec; | |
334 | rets = mq_timedreceive (q, buf, 2, NULL, &ts); | |
335 | if (rets == -1 && errno == EINVAL) | |
336 | rets = mq_receive (q, buf, 2, NULL); | |
337 | if (rets != 1) | |
338 | { | |
339 | if (rets == -1) | |
340 | printf ("mq_timedreceive failed: %m\n"); | |
341 | else | |
342 | printf ("mq_timedreceive returned %zd != 1\n", rets); | |
343 | result = 1; | |
344 | } | |
345 | else if (memcmp (buf, "31 ", 3) != 0) | |
346 | { | |
347 | printf ("mq_timedreceive buf \"%c%c%c\" != \"31 \"\n", | |
348 | buf[0], buf[1], buf[2]); | |
349 | result = 1; | |
350 | } | |
351 | ||
352 | if (mq_send (q, "", 0, 2) != 0) | |
353 | { | |
354 | printf ("mq_send with msg_len 0 failed: %m\n"); | |
355 | result = 1; | |
356 | } | |
357 | ||
358 | rets = mq_receive (q, buf, 2, &prio); | |
359 | if (rets) | |
360 | { | |
361 | if (rets == -1) | |
362 | printf ("mq_receive failed: %m\n"); | |
363 | else | |
364 | printf ("mq_receive returned %zd != 0\n", rets); | |
365 | result = 1; | |
366 | } | |
367 | ||
368 | long mq_prio_max = sysconf (_SC_MQ_PRIO_MAX); | |
369 | if (mq_prio_max > 0 && (unsigned int) mq_prio_max == mq_prio_max) | |
370 | { | |
371 | if (mq_send (q, buf, 1, mq_prio_max) == 0) | |
372 | { | |
373 | puts ("mq_send with MQ_PRIO_MAX priority unpexpectedly succeeded"); | |
374 | result = 1; | |
375 | } | |
376 | else if (errno != EINVAL) | |
377 | { | |
378 | printf ("mq_send with MQ_PRIO_MAX priority did not fail with " | |
379 | "EINVAL: %m\n"); | |
380 | result = 1; | |
381 | } | |
382 | ||
383 | if (mq_send (q, buf, 1, mq_prio_max - 1) != 0) | |
384 | { | |
385 | printf ("mq_send with MQ_PRIO_MAX-1 priority failed: %m\n"); | |
386 | result = 1; | |
387 | } | |
388 | } | |
389 | ||
390 | if (mq_unlink (name) != 0) | |
391 | { | |
392 | printf ("mq_unlink failed: %m\n"); | |
393 | result = 1; | |
394 | } | |
395 | ||
396 | q2 = mq_open (name, O_RDWR); | |
397 | if (q2 != (mqd_t) -1) | |
398 | { | |
399 | printf ("mq_open of unlinked %s without O_CREAT unexpectedly" | |
400 | "succeeded\n", name); | |
401 | result = 1; | |
402 | } | |
403 | else if (errno != ENOENT) | |
404 | { | |
405 | printf ("mq_open of unlinked %s without O_CREAT did not fail with " | |
406 | "ENOENT: %m\n", name); | |
407 | result = 1; | |
408 | } | |
409 | ||
410 | if (mq_close (q) != 0) | |
411 | { | |
412 | printf ("mq_close in parent failed: %m\n"); | |
413 | result = 1; | |
414 | } | |
415 | ||
416 | if (mq_receive (q, buf, 2, NULL) == 0) | |
417 | { | |
418 | puts ("mq_receive on invalid mqd_t did not fail"); | |
419 | result = 1; | |
420 | } | |
421 | else if (errno != EBADF) | |
422 | { | |
423 | printf ("mq_receive on invalid mqd_t did not fail with EBADF: %m\n"); | |
424 | result = 1; | |
425 | } | |
426 | ||
427 | if (mq_send (q, buf, 1, 2) == 0) | |
428 | { | |
429 | puts ("mq_send on invalid mqd_t did not fail"); | |
430 | result = 1; | |
431 | } | |
432 | else if (errno != EBADF) | |
433 | { | |
434 | printf ("mq_send on invalid mqd_t did not fail with EBADF: %m\n"); | |
435 | result = 1; | |
436 | } | |
437 | ||
438 | if (mq_getattr (q, &attr) == 0) | |
439 | { | |
440 | puts ("mq_getattr on invalid mqd_t did not fail"); | |
441 | result = 1; | |
442 | } | |
443 | else if (errno != EBADF) | |
444 | { | |
445 | printf ("mq_getattr on invalid mqd_t did not fail with EBADF: %m\n"); | |
446 | result = 1; | |
447 | } | |
448 | ||
449 | memset (&attr, 0, sizeof (attr)); | |
450 | if (mq_setattr (q, &attr, NULL) == 0) | |
451 | { | |
452 | puts ("mq_setattr on invalid mqd_t did not fail"); | |
453 | result = 1; | |
454 | } | |
455 | else if (errno != EBADF) | |
456 | { | |
457 | printf ("mq_setattr on invalid mqd_t did not fail with EBADF: %m\n"); | |
458 | result = 1; | |
459 | } | |
460 | ||
461 | if (mq_unlink ("/tst-mqueue2-which-should-never-exist") != -1) | |
462 | { | |
463 | puts ("mq_unlink of non-existant message queue unexpectedly succeeded"); | |
464 | result = 1; | |
465 | } | |
466 | else if (errno != ENOENT) | |
467 | { | |
468 | printf ("mq_unlink of non-existant message queue did not fail with " | |
469 | "ENOENT: %m\n"); | |
470 | result = 1; | |
471 | } | |
472 | return result; | |
473 | } | |
474 | ||
475 | #include "../test-skeleton.c" |