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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.
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
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17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
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19
20#include <errno.h>
21#include <fcntl.h>
22#include <mqueue.h>
23#include <limits.h>
24#include <signal.h>
25#include <stdio.h>
26#include <stdlib.h>
27#include <string.h>
28#include <sys/time.h>
29#include <sys/wait.h>
30#include <time.h>
31#include <unistd.h>
32#include "tst-mqueue.h"
33
34#define TIMEOUT 4
35#define TEST_FUNCTION do_test ()
36static int
37do_test (void)
38{
39 int result = 0;
40
41 char name[sizeof "/tst-mqueue4-" + sizeof (pid_t) * 3 + NAME_MAX];
42 char *p;
43 p = name + snprintf (name, sizeof (name), "/tst-mqueue4-%u", getpid ());
44 struct mq_attr attr = { .mq_maxmsg = 2, .mq_msgsize = 2 };
45 mqd_t q = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
46
47 if (q == (mqd_t) -1)
48 {
49 printf ("mq_open failed with: %m\n");
50 return result;
51 }
52 else
53 add_temp_mq (name);
54
55 *p = '.';
56 memset (p + 1, 'x', NAME_MAX + 1 - (p - name));
57 name[NAME_MAX + 1] = '\0';
58
59 mqd_t q2 = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
60 if (q2 == (mqd_t) -1)
61 {
62 printf ("mq_open with NAME_MAX long name compoment failed with: %m\n");
63 result = 1;
64 }
65
66 if (mq_unlink (name) != 0)
67 {
68 printf ("mq_unlink failed: %m\n");
69 result = 1;
70 }
71
72 if (mq_close (q2) != 0)
73 {
74 printf ("mq_close failed: %m\n");
75 result = 1;
76 }
77
78 name[NAME_MAX + 1] = 'x';
79 name[NAME_MAX + 2] = '\0';
80 q2 = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
81 if (q2 != (mqd_t) -1)
82 {
83 puts ("mq_open with too long name component unexpectedly succeeded");
84 mq_unlink (name);
85 mq_close (q2);
86 result = 1;
87 }
88 else if (errno != ENAMETOOLONG)
89 {
90 printf ("mq_open with too long name component did not fail with "
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91 "ENAMETOOLONG: %m\n");
92 result = 1;
93 }
94
95 if (mq_unlink (name) == 0)
96 {
97 puts ("mq_unlink with too long name component unexpectedly succeeded");
98 result = 1;
99 }
100 else if (errno != ENAMETOOLONG)
101 {
102 printf ("mq_unlink with too long name component did not fail with "
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103 "ENAMETOOLONG: %m\n");
104 result = 1;
105 }
106
107 *p = '\0';
108 attr.mq_maxmsg = 1;
109 attr.mq_msgsize = 3;
110 q2 = mq_open (name, O_CREAT | O_RDWR, 0600, &attr);
111 if (q2 == (mqd_t) -1)
112 {
113 printf ("mq_open without O_EXCL failed with %m\n");
114 result = 1;
115 }
116
117 char buf[3];
118 strcpy (buf, "jk");
119 if (mq_send (q, buf, 2, 4) != 0)
120 {
121 printf ("mq_send failed: %m\n");
122 result = 1;
123 }
124
125 if (mq_send (q, buf + 1, 1, 5) != 0)
126 {
127 printf ("mq_send failed: %m\n");
128 result = 1;
129 }
130
131 if (mq_getattr (q2, &attr) != 0)
132 {
133 printf ("mq_getattr failed: %m\n");
134 result = 1;
135 }
136
137 if ((attr.mq_flags & O_NONBLOCK)
138 || attr.mq_maxmsg != 2
139 || attr.mq_msgsize != 2
140 || attr.mq_curmsgs != 2)
141 {
142 printf ("mq_getattr returned unexpected { .mq_flags = %ld,\n"
143 ".mq_maxmsg = %ld, .mq_msgsize = %ld, .mq_curmsgs = %ld }\n",
144 attr.mq_flags, attr.mq_maxmsg, attr.mq_msgsize, attr.mq_curmsgs);
145 result = 1;
146 }
147
148 struct timespec ts;
149 if (clock_gettime (CLOCK_REALTIME, &ts) == 0)
150 ++ts.tv_sec;
151 else
152 {
153 ts.tv_sec = time (NULL) + 1;
154 ts.tv_nsec = 0;
155 }
156
157 if (mq_timedsend (q2, buf, 1, 1, &ts) == 0)
158 {
159 puts ("mq_timedsend unexpectedly succeeded");
160 result = 1;
161 }
162 else if (errno != ETIMEDOUT)
163 {
164 printf ("mq_timedsend did not fail with ETIMEDOUT: %m\n");
165 result = 1;
166 }
167
168 if (mq_close (q2) != 0)
169 {
170 printf ("mq_close failed: %m\n");
171 result = 1;
172 }
173
174 q2 = mq_open (name, O_RDONLY, 0600);
175 if (q2 == (mqd_t) -1)
176 {
177 printf ("mq_open without O_CREAT failed with %m\n");
178 result = 1;
179 }
180
181 mqd_t q3 = mq_open (name, O_RDONLY, 0600);
182 if (q3 == (mqd_t) -1)
183 {
184 printf ("mq_open without O_CREAT failed with %m\n");
185 result = 1;
186 }
187
188 memset (buf, ' ', sizeof (buf));
189
190 unsigned int prio;
191 ssize_t rets = mq_receive (q2, buf, 2, &prio);
192 if (rets != 1)
193 {
194 if (rets == -1)
195 printf ("mq_receive failed with: %m\n");
196 else
197 printf ("mq_receive returned %zd != 1\n", rets);
198 result = 1;
199 }
200 else if (prio != 5 || memcmp (buf, "k ", 3) != 0)
201 {
202 printf ("mq_receive returned prio %u (2) buf \"%c%c%c\" (\"k \")\n",
203 prio, buf[0], buf[1], buf[2]);
204 result = 1;
205 }
206
207 if (mq_getattr (q3, &attr) != 0)
208 {
209 printf ("mq_getattr failed: %m\n");
210 result = 1;
211 }
212
213 if ((attr.mq_flags & O_NONBLOCK)
214 || attr.mq_maxmsg != 2
215 || attr.mq_msgsize != 2
216 || attr.mq_curmsgs != 1)
217 {
218 printf ("mq_getattr returned unexpected { .mq_flags = %ld,\n"
219 ".mq_maxmsg = %ld, .mq_msgsize = %ld, .mq_curmsgs = %ld }\n",
220 attr.mq_flags, attr.mq_maxmsg, attr.mq_msgsize, attr.mq_curmsgs);
221 result = 1;
222 }
223
224 rets = mq_receive (q3, buf, 2, NULL);
225 if (rets != 2)
226 {
227 if (rets == -1)
228 printf ("mq_receive failed with: %m\n");
229 else
230 printf ("mq_receive returned %zd != 2\n", rets);
231 result = 1;
232 }
233 else if (memcmp (buf, "jk ", 3) != 0)
234 {
235 printf ("mq_receive returned buf \"%c%c%c\" != \"jk \"\n",
236 buf[0], buf[1], buf[2]);
237 result = 1;
238 }
239
240 if (clock_gettime (CLOCK_REALTIME, &ts) == 0)
241 ++ts.tv_sec;
242 else
243 {
244 ts.tv_sec = time (NULL) + 1;
245 ts.tv_nsec = 0;
246 }
247
248 if (mq_timedreceive (q2, buf, 2, NULL, &ts) != -1)
249 {
250 puts ("mq_timedreceive on empty queue unexpectedly succeeded");
251 result = 1;
252 }
253 else if (errno != ETIMEDOUT)
254 {
255 printf ("mq_timedreceive on empty queue did not fail with "
256 "ETIMEDOUT: %m\n");
257 result = 1;
258 }
259
260 if (mq_unlink (name) != 0)
261 {
262 printf ("mq_unlink failed: %m\n");
263 result = 1;
264 }
265
266 if (mq_close (q) != 0)
267 {
268 printf ("mq_close failed: %m\n");
269 result = 1;
270 }
271
272 if (mq_close (q2) != 0)
273 {
274 printf ("mq_close failed: %m\n");
275 result = 1;
276 }
277
278 if (mq_close (q3) != 0)
279 {
280 printf ("mq_close failed: %m\n");
281 result = 1;
282 }
283
284 return result;
285}
286
287#include "../test-skeleton.c"