1 /* Test message queue passing.
2 Copyright (C) 2004 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
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.
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.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
32 #include "tst-mqueue.h"
35 alrm_handler (int sig)
40 #define TEST_FUNCTION do_test ()
46 char name[sizeof "/tst-mqueue2-" + sizeof (pid_t) * 3];
47 snprintf (name, sizeof (name), "/tst-mqueue2-%u", getpid ());
49 struct mq_attr attr = { .mq_maxmsg = 2, .mq_msgsize = 2 };
50 mqd_t q = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
54 printf ("mq_open failed with: %m\n");
60 mqd_t q2 = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
63 puts ("mq_open with O_EXCL unexpectedly succeeded");
66 else if (errno != EEXIST)
68 printf ("mq_open did not fail with EEXIST: %m\n");
72 char name2[sizeof "/tst-mqueue2-2-" + sizeof (pid_t) * 3];
73 snprintf (name2, sizeof (name2), "/tst-mqueue2-2-%u", getpid ());
76 q2 = mq_open (name2, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
79 puts ("mq_open with invalid mq_maxmsg unexpectedly succeeded");
83 else if (errno != EINVAL)
85 printf ("mq_open with invalid mq_maxmsg did not fail with "
91 attr.mq_msgsize = -56;
92 q2 = mq_open (name2, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
95 puts ("mq_open with invalid mq_msgsize unexpectedly succeeded");
99 else if (errno != EINVAL)
101 printf ("mq_open with invalid mq_msgsize did not fail with "
108 if (clock_gettime (CLOCK_REALTIME, &ts) == 0)
112 ts.tv_sec = time (NULL) + 10;
116 if (mq_timedreceive (q, buf, 1, NULL, &ts) == 0)
118 puts ("mq_timedreceive with too small msg_len did not fail");
121 else if (errno != EMSGSIZE)
123 printf ("mq_timedreceive with too small msg_len did not fail with "
129 if (mq_timedreceive (q, buf, 2, NULL, &ts) == 0)
131 puts ("mq_timedreceive with negative tv_nsec did not fail");
134 else if (errno != EINVAL)
136 printf ("mq_timedreceive with negative tv_nsec did not fail with "
141 ts.tv_nsec = 1000000000;
142 if (mq_timedreceive (q, buf, 2, NULL, &ts) == 0)
144 puts ("mq_timedreceive with tv_nsec >= 1000000000 did not fail");
147 else if (errno != EINVAL)
149 printf ("mq_timedreceive with tv_nsec >= 1000000000 did not fail with "
154 struct sigaction sa = { .sa_handler = alrm_handler, .sa_flags = 0 };
155 sigemptyset (&sa.sa_mask);
156 sigaction (SIGALRM, &sa, NULL);
158 struct itimerval it = { .it_value = { .tv_sec = 1 } };
159 setitimer (ITIMER_REAL, &it, NULL);
161 if (mq_receive (q, buf, 2, NULL) == 0)
163 puts ("mq_receive on empty queue did not block");
166 else if (errno != EINTR)
168 printf ("mq_receive on empty queue did not fail with EINTR: %m\n");
172 setitimer (ITIMER_REAL, &it, NULL);
175 if (mq_timedreceive (q, buf, 2, NULL, &ts) == 0)
177 puts ("mq_timedreceive on empty queue did not block");
180 else if (errno != EINTR)
182 printf ("mq_timedreceive on empty queue did not fail with EINTR: %m\n");
188 if (mq_send (q, buf, 2, 3) != 0
189 || (buf[0] = '8', mq_send (q, buf, 1, 4) != 0))
191 printf ("mq_send failed: %m\n");
195 memset (buf, ' ', sizeof (buf));
198 ssize_t rets = mq_receive (q, buf, 3, &prio);
202 printf ("mq_receive failed: %m\n");
204 printf ("mq_receive returned %zd != 1\n", rets);
207 else if (prio != 4 || memcmp (buf, "8 ", 3) != 0)
209 printf ("mq_receive prio %u (4) buf \"%c%c%c\" (\"8 \")\n",
210 prio, buf[0], buf[1], buf[2]);
214 rets = mq_receive (q, buf, 2, NULL);
218 printf ("mq_receive failed: %m\n");
220 printf ("mq_receive returned %zd != 2\n", rets);
223 else if (memcmp (buf, "67 ", 3) != 0)
225 printf ("mq_receive buf \"%c%c%c\" != \"67 \"\n",
226 buf[0], buf[1], buf[2]);
232 if (clock_gettime (CLOCK_REALTIME, &ts) != 0)
233 ts.tv_sec = time (NULL);
234 ts.tv_nsec = -1000000001;
235 if ((mq_timedsend (q, buf, 2, 5, &ts) != 0
236 && (errno != EINVAL || mq_send (q, buf, 2, 5) != 0))
237 || (buf[0] = '3', ts.tv_nsec = -ts.tv_nsec,
238 (mq_timedsend (q, buf, 1, 4, &ts) != 0
239 && (errno != EINVAL || mq_send (q, buf, 1, 4) != 0))))
241 printf ("mq_timedsend failed: %m\n");
246 ts.tv_nsec = 1000000001;
247 if (mq_timedsend (q, buf, 1, 6, &ts) == 0)
249 puts ("mq_timedsend with tv_nsec >= 1000000000 did not fail");
252 else if (errno != EINVAL)
254 printf ("mq_timedsend with tv_nsec >= 1000000000 did not fail with "
260 if (mq_timedsend (q, buf, 1, 6, &ts) == 0)
262 puts ("mq_timedsend with negative tv_nsec did not fail");
265 else if (errno != EINVAL)
267 printf ("mq_timedsend with megatove tv_nsec did not fail with "
272 setitimer (ITIMER_REAL, &it, NULL);
274 if (mq_send (q, buf, 2, 8) == 0)
276 puts ("mq_send on full queue did not block");
279 else if (errno != EINTR)
281 printf ("mq_send on full queue did not fail with EINTR: %m\n");
285 setitimer (ITIMER_REAL, &it, NULL);
289 if (mq_timedsend (q, buf, 2, 7, &ts) == 0)
291 puts ("mq_timedsend on full queue did not block");
294 else if (errno != EINTR)
296 printf ("mq_timedsend on full queue did not fail with EINTR: %m\n");
300 memset (buf, ' ', sizeof (buf));
302 if (clock_gettime (CLOCK_REALTIME, &ts) != 0)
303 ts.tv_sec = time (NULL);
304 ts.tv_nsec = -1000000001;
305 rets = mq_timedreceive (q, buf, 2, &prio, &ts);
306 if (rets == -1 && errno == EINVAL)
307 rets = mq_receive (q, buf, 2, &prio);
311 printf ("mq_timedreceive failed: %m\n");
313 printf ("mq_timedreceive returned %zd != 2\n", rets);
316 else if (prio != 5 || memcmp (buf, "21 ", 3) != 0)
318 printf ("mq_timedreceive prio %u (5) buf \"%c%c%c\" (\"21 \")\n",
319 prio, buf[0], buf[1], buf[2]);
323 if (mq_receive (q, buf, 1, NULL) == 0)
325 puts ("mq_receive with too small msg_len did not fail");
328 else if (errno != EMSGSIZE)
330 printf ("mq_receive with too small msg_len did not fail with "
335 ts.tv_nsec = -ts.tv_nsec;
336 rets = mq_timedreceive (q, buf, 2, NULL, &ts);
337 if (rets == -1 && errno == EINVAL)
338 rets = mq_receive (q, buf, 2, NULL);
342 printf ("mq_timedreceive failed: %m\n");
344 printf ("mq_timedreceive returned %zd != 1\n", rets);
347 else if (memcmp (buf, "31 ", 3) != 0)
349 printf ("mq_timedreceive buf \"%c%c%c\" != \"31 \"\n",
350 buf[0], buf[1], buf[2]);
354 if (mq_send (q, "", 0, 2) != 0)
356 printf ("mq_send with msg_len 0 failed: %m\n");
360 rets = mq_receive (q, buf, 2, &prio);
364 printf ("mq_receive failed: %m\n");
366 printf ("mq_receive returned %zd != 0\n", rets);
370 long mq_prio_max = sysconf (_SC_MQ_PRIO_MAX);
371 if (mq_prio_max > 0 && (unsigned int) mq_prio_max == mq_prio_max)
373 if (mq_send (q, buf, 1, mq_prio_max) == 0)
375 puts ("mq_send with MQ_PRIO_MAX priority unpexpectedly succeeded");
378 else if (errno != EINVAL)
380 printf ("mq_send with MQ_PRIO_MAX priority did not fail with "
385 if (mq_send (q, buf, 1, mq_prio_max - 1) != 0)
387 printf ("mq_send with MQ_PRIO_MAX-1 priority failed: %m\n");
392 if (mq_unlink (name) != 0)
394 printf ("mq_unlink failed: %m\n");
398 q2 = mq_open (name, O_RDWR);
399 if (q2 != (mqd_t) -1)
401 printf ("mq_open of unlinked %s without O_CREAT unexpectedly"
402 "succeeded\n", name);
405 else if (errno != ENOENT)
407 printf ("mq_open of unlinked %s without O_CREAT did not fail with "
408 "ENOENT: %m\n", name);
412 if (mq_close (q) != 0)
414 printf ("mq_close in parent failed: %m\n");
418 if (mq_receive (q, buf, 2, NULL) == 0)
420 puts ("mq_receive on invalid mqd_t did not fail");
423 else if (errno != EBADF)
425 printf ("mq_receive on invalid mqd_t did not fail with EBADF: %m\n");
429 if (mq_send (q, buf, 1, 2) == 0)
431 puts ("mq_send on invalid mqd_t did not fail");
434 else if (errno != EBADF)
436 printf ("mq_send on invalid mqd_t did not fail with EBADF: %m\n");
440 if (mq_getattr (q, &attr) == 0)
442 puts ("mq_getattr on invalid mqd_t did not fail");
445 else if (errno != EBADF)
447 printf ("mq_getattr on invalid mqd_t did not fail with EBADF: %m\n");
451 memset (&attr, 0, sizeof (attr));
452 if (mq_setattr (q, &attr, NULL) == 0)
454 puts ("mq_setattr on invalid mqd_t did not fail");
457 else if (errno != EBADF)
459 printf ("mq_setattr on invalid mqd_t did not fail with EBADF: %m\n");
463 if (mq_unlink ("/tst-mqueue2-which-should-never-exist") != -1)
465 puts ("mq_unlink of non-existant message queue unexpectedly succeeded");
468 else if (errno != ENOENT)
470 printf ("mq_unlink of non-existant message queue did not fail with "
477 #include "../test-skeleton.c"