]>
Commit | Line | Data |
---|---|---|
1b82c6c7 UD |
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 | |
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 <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 () | |
36 | static int | |
37 | do_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 " | |
0a901ba4 UD |
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 " | |
1b82c6c7 UD |
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" |