posix: Fix mmap for m68k and ia64 (BZ#21908)
[glibc.git] / rt / tst-mqueue1.c
blobfeb88c835056c64a5a01eb6597011494f6016cc2
1 /* Test message queue passing.
2 Copyright (C) 2004-2017 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, see
18 <http://www.gnu.org/licenses/>. */
20 #include <errno.h>
21 #include <fcntl.h>
22 #include <mqueue.h>
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <string.h>
26 #include <sys/wait.h>
27 #include <time.h>
28 #include <unistd.h>
29 #include <stdint.h>
30 #include "tst-mqueue.h"
32 static int
33 intcmp (const void *a, const void *b)
35 if (*(unsigned char *)a < *(unsigned char *)b)
36 return 1;
37 if (*(unsigned char *)a > *(unsigned char *)b)
38 return -1;
39 return 0;
42 static int
43 check_attrs (struct mq_attr *attr, int nonblock, long cnt)
45 int result = 0;
47 if (attr->mq_maxmsg != 10 || attr->mq_msgsize != 1)
49 printf ("attributes don't match those passed to mq_open\n"
50 "mq_maxmsg %jd, mq_msgsize %jd\n",
51 (intmax_t) attr->mq_maxmsg, (intmax_t) attr->mq_msgsize);
52 result = 1;
55 if ((attr->mq_flags & O_NONBLOCK) != nonblock)
57 printf ("mq_flags %jx != %x\n",
58 (intmax_t) (attr->mq_flags & O_NONBLOCK), nonblock);
59 result = 1;
62 if (attr->mq_curmsgs != cnt)
64 printf ("mq_curmsgs %jd != %ld\n", (intmax_t) attr->mq_curmsgs, cnt);
65 result = 1;
68 return result;
71 static int
72 do_one_test (mqd_t q, const char *name, int nonblock)
74 int result = 0;
76 unsigned char v []
77 = { 0x32, 0x62, 0x22, 0x31, 0x11, 0x73, 0x61, 0x21, 0x72, 0x71, 0x81 };
79 struct mq_attr attr;
80 memset (&attr, 0xaa, sizeof (attr));
81 if (mq_getattr (q, &attr) != 0)
83 printf ("mq_getattr failed: %m\n");
84 result = 1;
86 else
87 result |= check_attrs (&attr, nonblock, 0);
89 if (mq_receive (q, (char *) &v[0], 1, NULL) != -1)
91 puts ("mq_receive on O_WRONLY mqd_t unexpectedly succeeded");
92 result = 1;
94 else if (errno != EBADF)
96 printf ("mq_receive on O_WRONLY mqd_t did not fail with EBADF: %m\n");
97 result = 1;
100 struct timespec ts;
101 if (clock_gettime (CLOCK_REALTIME, &ts) == 0)
102 --ts.tv_sec;
103 else
105 ts.tv_sec = time (NULL) - 1;
106 ts.tv_nsec = 0;
109 int ret;
110 for (int i = 0; i < 10; ++i)
112 if (i & 1)
113 ret = mq_send (q, (char *) &v[i], 1, v[i] >> 4);
114 else
115 ret = mq_timedsend (q, (char *) &v[i], 1, v[i] >> 4, &ts);
117 if (ret)
119 printf ("mq_%ssend failed: %m\n", (i & 1) ? "" : "timed");
120 result = 1;
124 ret = mq_timedsend (q, (char *) &v[10], 1, 8, &ts);
125 if (ret != -1)
127 puts ("mq_timedsend on full queue did not fail");
128 result = 1;
130 else if (errno != (nonblock ? EAGAIN : ETIMEDOUT))
132 printf ("mq_timedsend on full queue did not fail with %s: %m\n",
133 nonblock ? "EAGAIN" : "ETIMEDOUT");
134 result = 1;
137 if (nonblock)
139 ret = mq_send (q, (char *) &v[10], 1, 8);
140 if (ret != -1)
142 puts ("mq_send on full non-blocking queue did not fail");
143 result = 1;
145 else if (errno != EAGAIN)
147 printf ("mq_send on full non-blocking queue did not fail"
148 "with EAGAIN: %m\n");
149 result = 1;
153 memset (&attr, 0xaa, sizeof (attr));
154 if (mq_getattr (q, &attr) != 0)
156 printf ("mq_getattr failed: %m\n");
157 result = 1;
159 else
160 result |= check_attrs (&attr, nonblock, 10);
162 pid_t pid = fork ();
163 if (pid == -1)
165 printf ("fork failed: %m\n");
166 result = 1;
168 else if (pid == 0)
170 result = 0;
172 if (mq_close (q) != 0)
174 printf ("mq_close in child failed: %m\n");
175 result = 1;
178 q = mq_open (name, O_RDONLY | nonblock);
179 if (q == (mqd_t) -1)
181 printf ("mq_open in child failed: %m\n");
182 exit (1);
185 memset (&attr, 0xaa, sizeof (attr));
186 if (mq_getattr (q, &attr) != 0)
188 printf ("mq_getattr failed: %m\n");
189 result = 1;
191 else
192 result |= check_attrs (&attr, nonblock, 10);
194 unsigned char vr[11] = { };
195 unsigned int prio;
196 ssize_t rets;
198 if (mq_send (q, (char *) &v[0], 1, 1) != -1)
200 puts ("mq_send on O_RDONLY mqd_t unexpectedly succeeded");
201 result = 1;
203 else if (errno != EBADF)
205 printf ("mq_send on O_WRONLY mqd_t did not fail with EBADF: %m\n");
206 result = 1;
209 for (int i = 0; i < 10; ++i)
211 if (i & 1)
212 rets = mq_receive (q, (char *) &vr[i], 1, &prio);
213 else
214 rets = mq_timedreceive (q, (char *) &vr[i], 1, &prio, &ts);
216 if (rets != 1)
218 if (rets == -1)
219 printf ("mq_%sreceive failed: %m\n", (i & 1) ? "" : "timed");
220 else
221 printf ("mq_%sreceive returned %zd != 1\n",
222 (i & 1) ? "" : "timed", rets);
223 result = 1;
225 else if (prio != (unsigned int) vr[i] >> 4)
227 printf ("unexpected priority %x for value %02x\n", prio,
228 vr[i]);
229 result = 1;
233 qsort (v, 10, 1, intcmp);
234 if (memcmp (v, vr, 10) != 0)
236 puts ("messages not received in expected order");
237 result = 1;
240 rets = mq_timedreceive (q, (char *) &vr[10], 1, &prio, &ts);
241 if (rets != -1)
243 puts ("mq_timedreceive on empty queue did not fail");
244 result = 1;
246 else if (errno != (nonblock ? EAGAIN : ETIMEDOUT))
248 printf ("mq_timedreceive on empty queue did not fail with %s: %m\n",
249 nonblock ? "EAGAIN" : "ETIMEDOUT");
250 result = 1;
253 if (nonblock)
255 ret = mq_receive (q, (char *) &vr[10], 1, &prio);
256 if (ret != -1)
258 puts ("mq_receive on empty non-blocking queue did not fail");
259 result = 1;
261 else if (errno != EAGAIN)
263 printf ("mq_receive on empty non-blocking queue did not fail"
264 "with EAGAIN: %m\n");
265 result = 1;
269 memset (&attr, 0xaa, sizeof (attr));
270 if (mq_getattr (q, &attr) != 0)
272 printf ("mq_getattr failed: %m\n");
273 result = 1;
275 else
276 result |= check_attrs (&attr, nonblock, 0);
278 if (mq_close (q) != 0)
280 printf ("mq_close in child failed: %m\n");
281 result = 1;
284 exit (result);
287 int status;
288 if (TEMP_FAILURE_RETRY (waitpid (pid, &status, 0)) != pid)
290 printf ("waitpid failed: %m\n");
291 kill (pid, SIGKILL);
292 result = 1;
294 else if (!WIFEXITED (status) || WEXITSTATUS (status))
296 printf ("child failed: %d\n", status);
297 result = 1;
300 memset (&attr, 0xaa, sizeof (attr));
301 if (mq_getattr (q, &attr) != 0)
303 printf ("mq_getattr failed: %m\n");
304 result = 1;
306 else
307 result |= check_attrs (&attr, nonblock, 0);
309 return result;
312 #define TEST_FUNCTION do_test ()
313 static int
314 do_test (void)
316 int result = 0;
318 char name[sizeof "/tst-mqueue1-" + sizeof (pid_t) * 3];
319 snprintf (name, sizeof (name), "/tst-mqueue1-%u", getpid ());
321 struct mq_attr attr = { .mq_maxmsg = 10, .mq_msgsize = 1 };
322 mqd_t q = mq_open (name, O_CREAT | O_EXCL | O_WRONLY, 0600, &attr);
324 if (q == (mqd_t) -1)
326 printf ("mq_open failed with: %m\n");
327 return result;
329 else
330 add_temp_mq (name);
332 result |= do_one_test (q, name, 0);
334 mqd_t q2 = mq_open (name, O_WRONLY | O_NONBLOCK);
335 if (q2 == (mqd_t) -1)
337 printf ("mq_open failed with: %m\n");
338 q2 = q;
339 result = 1;
341 else
343 if (mq_close (q) != 0)
345 printf ("mq_close in parent failed: %m\n");
346 result = 1;
349 q = q2;
350 result |= do_one_test (q, name, O_NONBLOCK);
352 if (mq_getattr (q, &attr) != 0)
354 printf ("mq_getattr failed: %m\n");
355 result = 1;
357 else
359 attr.mq_flags ^= O_NONBLOCK;
361 struct mq_attr attr2;
362 memset (&attr2, 0x55, sizeof (attr2));
363 if (mq_setattr (q, &attr, &attr2) != 0)
365 printf ("mq_setattr failed: %m\n");
366 result = 1;
368 else if (attr.mq_flags != (attr2.mq_flags ^ O_NONBLOCK)
369 || attr.mq_maxmsg != attr2.mq_maxmsg
370 || attr.mq_msgsize != attr2.mq_msgsize
371 || attr.mq_curmsgs != 0
372 || attr2.mq_curmsgs != 0)
374 puts ("mq_setattr returned unexpected values in *omqstat");
375 result = 1;
377 else
379 result |= do_one_test (q, name, 0);
381 if (mq_setattr (q, &attr2, NULL) != 0)
383 printf ("mq_setattr failed: %m\n");
384 result = 1;
386 else
387 result |= do_one_test (q, name, O_NONBLOCK);
392 if (mq_unlink (name) != 0)
394 printf ("mq_unlink failed: %m\n");
395 result = 1;
398 if (mq_close (q) != 0)
400 printf ("mq_close in parent failed: %m\n");
401 result = 1;
404 if (mq_close (q) != -1)
406 puts ("second mq_close did not fail");
407 result = 1;
409 else if (errno != EBADF)
411 printf ("second mq_close did not fail with EBADF: %m\n");
412 result = 1;
415 return result;
418 #include "../test-skeleton.c"