about summary refs log tree commit diff
path: root/rt/tst-mqueue4.c
blob: 62d427a3ca27369b54d76e03801668e22f6a831d (plain) (blame)
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
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
/* Test message queue passing.
   Copyright (C) 2004-2022 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <fcntl.h>
#include <mqueue.h>
#include <limits.h>
#include <signal.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
#include <support/check.h>
#include "tst-mqueue.h"

#define TEST_FUNCTION do_test ()
static int
do_test (void)
{
  int result = 0;

  char name[sizeof "/tst-mqueue4-" + sizeof (pid_t) * 3 + NAME_MAX];
  char *p;
  p = name + snprintf (name, sizeof (name), "/tst-mqueue4-%u", getpid ());
  struct mq_attr attr = { .mq_maxmsg = 2, .mq_msgsize = 2 };
  mqd_t q = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);

  if (q == (mqd_t) -1)
    {
      if (errno == ENOSYS)
	FAIL_UNSUPPORTED ("mq_open not supported");

      printf ("mq_open failed with: %m\n");
      return 1;
    }

  add_temp_mq (name);

  *p = '.';
  memset (p + 1, 'x', NAME_MAX + 1 - (p - name));
  name[NAME_MAX + 1] = '\0';

  mqd_t q2 = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
  if (q2 == (mqd_t) -1)
    {
      printf ("mq_open with NAME_MAX long name compoment failed with: %m\n");
      result = 1;
    }

  if (mq_unlink (name) != 0)
    {
      printf ("mq_unlink failed: %m\n");
      result = 1;
    }

  if (mq_close (q2) != 0)
    {
      printf ("mq_close failed: %m\n");
      result = 1;
    }

  name[NAME_MAX + 1] = 'x';
  name[NAME_MAX + 2] = '\0';
  q2 = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
  if (q2 != (mqd_t) -1)
    {
      puts ("mq_open with too long name component unexpectedly succeeded");
      mq_unlink (name);
      mq_close (q2);
      result = 1;
    }
  else if (errno != ENAMETOOLONG)
    {
      printf ("mq_open with too long name component did not fail with "
	      "ENAMETOOLONG: %m\n");
      result = 1;
    }

  if (mq_unlink (name) == 0)
    {
      puts ("mq_unlink with too long name component unexpectedly succeeded");
      result = 1;
    }
  else if (errno != ENAMETOOLONG)
    {
      printf ("mq_unlink with too long name component did not fail with "
	      "ENAMETOOLONG: %m\n");
      result = 1;
    }

  *p = '\0';
  attr.mq_maxmsg = 1;
  attr.mq_msgsize = 3;
  q2 = mq_open (name, O_CREAT | O_RDWR, 0600, &attr);
  if (q2 == (mqd_t) -1)
    {
      printf ("mq_open without O_EXCL failed with %m\n");
      result = 1;
    }

  char buf[3];
  strcpy (buf, "jk");
  if (mq_send (q, buf, 2, 4) != 0)
    {
      printf ("mq_send failed: %m\n");
      result = 1;
    }

  if (mq_send (q, buf + 1, 1, 5) != 0)
    {
      printf ("mq_send failed: %m\n");
      result = 1;
    }

  if (mq_getattr (q2, &attr) != 0)
    {
      printf ("mq_getattr failed: %m\n");
      result = 1;
    }

  if ((attr.mq_flags & O_NONBLOCK)
      || attr.mq_maxmsg != 2
      || attr.mq_msgsize != 2
      || attr.mq_curmsgs != 2)
    {
      printf ("mq_getattr returned unexpected { .mq_flags = %jd,\n"
	      ".mq_maxmsg = %jd, .mq_msgsize = %jd, .mq_curmsgs = %jd }\n",
	      (intmax_t) attr.mq_flags, (intmax_t) attr.mq_maxmsg,
	      (intmax_t) attr.mq_msgsize, (intmax_t) attr.mq_curmsgs);
      result = 1;
    }

  struct timespec ts;
  if (clock_gettime (CLOCK_REALTIME, &ts) == 0)
    ++ts.tv_sec;
  else
    {
      ts.tv_sec = time (NULL) + 1;
      ts.tv_nsec = 0;
    }

  if (mq_timedsend (q2, buf, 1, 1, &ts) == 0)
    {
      puts ("mq_timedsend unexpectedly succeeded");
      result = 1;
    }
  else if (errno != ETIMEDOUT)
    {
      printf ("mq_timedsend did not fail with ETIMEDOUT: %m\n");
      result = 1;
    }

  if (mq_close (q2) != 0)
    {
      printf ("mq_close failed: %m\n");
      result = 1;
    }

  q2 = mq_open (name, O_RDONLY, 0600);
  if (q2 == (mqd_t) -1)
    {
      printf ("mq_open without O_CREAT failed with %m\n");
      result = 1;
    }

  mqd_t q3 = mq_open (name, O_RDONLY, 0600);
  if (q3 == (mqd_t) -1)
    {
      printf ("mq_open without O_CREAT failed with %m\n");
      result = 1;
    }

  memset (buf, ' ', sizeof (buf));

  unsigned int prio;
  ssize_t rets = mq_receive (q2, buf, 2, &prio);
  if (rets != 1)
    {
      if (rets == -1)
	printf ("mq_receive failed with: %m\n");
      else
	printf ("mq_receive returned %zd != 1\n", rets);
      result = 1;
    }
  else if (prio != 5 || memcmp (buf, "k  ", 3) != 0)
    {
      printf ("mq_receive returned prio %u (2) buf \"%c%c%c\" (\"k  \")\n",
	      prio, buf[0], buf[1], buf[2]);
      result = 1;
    }

  if (mq_getattr (q3, &attr) != 0)
    {
      printf ("mq_getattr failed: %m\n");
      result = 1;
    }

  if ((attr.mq_flags & O_NONBLOCK)
      || attr.mq_maxmsg != 2
      || attr.mq_msgsize != 2
      || attr.mq_curmsgs != 1)
    {
      printf ("mq_getattr returned unexpected { .mq_flags = %jd,\n"
	      ".mq_maxmsg = %jd, .mq_msgsize = %jd, .mq_curmsgs = %jd }\n",
	      (intmax_t) attr.mq_flags, (intmax_t) attr.mq_maxmsg,
	      (intmax_t) attr.mq_msgsize, (intmax_t) attr.mq_curmsgs);
      result = 1;
    }

  rets = mq_receive (q3, buf, 2, NULL);
  if (rets != 2)
    {
      if (rets == -1)
	printf ("mq_receive failed with: %m\n");
      else
	printf ("mq_receive returned %zd != 2\n", rets);
      result = 1;
    }
  else if (memcmp (buf, "jk ", 3) != 0)
    {
      printf ("mq_receive returned buf \"%c%c%c\" != \"jk \"\n",
	      buf[0], buf[1], buf[2]);
      result = 1;
    }

  if (clock_gettime (CLOCK_REALTIME, &ts) == 0)
    ++ts.tv_sec;
  else
    {
      ts.tv_sec = time (NULL) + 1;
      ts.tv_nsec = 0;
    }

  if (mq_timedreceive (q2, buf, 2, NULL, &ts) != -1)
    {
      puts ("mq_timedreceive on empty queue unexpectedly succeeded");
      result = 1;
    }
  else if (errno != ETIMEDOUT)
    {
      printf ("mq_timedreceive on empty queue did not fail with "
	      "ETIMEDOUT: %m\n");
      result = 1;
    }

  if (mq_unlink (name) != 0)
    {
      printf ("mq_unlink failed: %m\n");
      result = 1;
    }

  if (mq_close (q) != 0)
    {
      printf ("mq_close failed: %m\n");
      result = 1;
    }

  if (mq_close (q2) != 0)
    {
      printf ("mq_close failed: %m\n");
      result = 1;
    }

  if (mq_close (q3) != 0)
    {
      printf ("mq_close failed: %m\n");
      result = 1;
    }

  return result;
}

#include "../test-skeleton.c"