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[glibc.git] / rt / tst-mqueue4.c
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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.
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
19 02111-1307 USA. */
21 #include <errno.h>
22 #include <fcntl.h>
23 #include <mqueue.h>
24 #include <limits.h>
25 #include <signal.h>
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <string.h>
29 #include <sys/time.h>
30 #include <sys/wait.h>
31 #include <time.h>
32 #include <unistd.h>
33 #include "tst-mqueue.h"
35 #define TIMEOUT 4
36 #define TEST_FUNCTION do_test ()
37 static int
38 do_test (void)
40 int result = 0;
42 char name[sizeof "/tst-mqueue4-" + sizeof (pid_t) * 3 + NAME_MAX];
43 char *p;
44 p = name + snprintf (name, sizeof (name), "/tst-mqueue4-%u", getpid ());
45 struct mq_attr attr = { .mq_maxmsg = 2, .mq_msgsize = 2 };
46 mqd_t q = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
48 if (q == (mqd_t) -1)
50 printf ("mq_open failed with: %m\n");
51 return result;
53 else
54 add_temp_mq (name);
56 *p = '.';
57 memset (p + 1, 'x', NAME_MAX + 1 - (p - name));
58 name[NAME_MAX + 1] = '\0';
60 mqd_t q2 = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
61 if (q2 == (mqd_t) -1)
63 printf ("mq_open with NAME_MAX long name compoment failed with: %m\n");
64 result = 1;
67 if (mq_unlink (name) != 0)
69 printf ("mq_unlink failed: %m\n");
70 result = 1;
73 if (mq_close (q2) != 0)
75 printf ("mq_close failed: %m\n");
76 result = 1;
79 name[NAME_MAX + 1] = 'x';
80 name[NAME_MAX + 2] = '\0';
81 q2 = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
82 if (q2 != (mqd_t) -1)
84 puts ("mq_open with too long name component unexpectedly succeeded");
85 mq_unlink (name);
86 mq_close (q2);
87 result = 1;
89 else if (errno != ENAMETOOLONG)
91 printf ("mq_open with too long name component did not fail with "
92 "ENAMETOOLONG: %m\n");
93 result = 1;
96 if (mq_unlink (name) == 0)
98 puts ("mq_unlink with too long name component unexpectedly succeeded");
99 result = 1;
101 else if (errno != ENAMETOOLONG)
103 printf ("mq_unlink with too long name component did not fail with "
104 "ENAMETOOLONG: %m\n");
105 result = 1;
108 *p = '\0';
109 attr.mq_maxmsg = 1;
110 attr.mq_msgsize = 3;
111 q2 = mq_open (name, O_CREAT | O_RDWR, 0600, &attr);
112 if (q2 == (mqd_t) -1)
114 printf ("mq_open without O_EXCL failed with %m\n");
115 result = 1;
118 char buf[3];
119 strcpy (buf, "jk");
120 if (mq_send (q, buf, 2, 4) != 0)
122 printf ("mq_send failed: %m\n");
123 result = 1;
126 if (mq_send (q, buf + 1, 1, 5) != 0)
128 printf ("mq_send failed: %m\n");
129 result = 1;
132 if (mq_getattr (q2, &attr) != 0)
134 printf ("mq_getattr failed: %m\n");
135 result = 1;
138 if ((attr.mq_flags & O_NONBLOCK)
139 || attr.mq_maxmsg != 2
140 || attr.mq_msgsize != 2
141 || attr.mq_curmsgs != 2)
143 printf ("mq_getattr returned unexpected { .mq_flags = %ld,\n"
144 ".mq_maxmsg = %ld, .mq_msgsize = %ld, .mq_curmsgs = %ld }\n",
145 attr.mq_flags, attr.mq_maxmsg, attr.mq_msgsize, attr.mq_curmsgs);
146 result = 1;
149 struct timespec ts;
150 if (clock_gettime (CLOCK_REALTIME, &ts) == 0)
151 ++ts.tv_sec;
152 else
154 ts.tv_sec = time (NULL) + 1;
155 ts.tv_nsec = 0;
158 if (mq_timedsend (q2, buf, 1, 1, &ts) == 0)
160 puts ("mq_timedsend unexpectedly succeeded");
161 result = 1;
163 else if (errno != ETIMEDOUT)
165 printf ("mq_timedsend did not fail with ETIMEDOUT: %m\n");
166 result = 1;
169 if (mq_close (q2) != 0)
171 printf ("mq_close failed: %m\n");
172 result = 1;
175 q2 = mq_open (name, O_RDONLY, 0600);
176 if (q2 == (mqd_t) -1)
178 printf ("mq_open without O_CREAT failed with %m\n");
179 result = 1;
182 mqd_t q3 = mq_open (name, O_RDONLY, 0600);
183 if (q3 == (mqd_t) -1)
185 printf ("mq_open without O_CREAT failed with %m\n");
186 result = 1;
189 memset (buf, ' ', sizeof (buf));
191 unsigned int prio;
192 ssize_t rets = mq_receive (q2, buf, 2, &prio);
193 if (rets != 1)
195 if (rets == -1)
196 printf ("mq_receive failed with: %m\n");
197 else
198 printf ("mq_receive returned %zd != 1\n", rets);
199 result = 1;
201 else if (prio != 5 || memcmp (buf, "k ", 3) != 0)
203 printf ("mq_receive returned prio %u (2) buf \"%c%c%c\" (\"k \")\n",
204 prio, buf[0], buf[1], buf[2]);
205 result = 1;
208 if (mq_getattr (q3, &attr) != 0)
210 printf ("mq_getattr failed: %m\n");
211 result = 1;
214 if ((attr.mq_flags & O_NONBLOCK)
215 || attr.mq_maxmsg != 2
216 || attr.mq_msgsize != 2
217 || attr.mq_curmsgs != 1)
219 printf ("mq_getattr returned unexpected { .mq_flags = %ld,\n"
220 ".mq_maxmsg = %ld, .mq_msgsize = %ld, .mq_curmsgs = %ld }\n",
221 attr.mq_flags, attr.mq_maxmsg, attr.mq_msgsize, attr.mq_curmsgs);
222 result = 1;
225 rets = mq_receive (q3, buf, 2, NULL);
226 if (rets != 2)
228 if (rets == -1)
229 printf ("mq_receive failed with: %m\n");
230 else
231 printf ("mq_receive returned %zd != 2\n", rets);
232 result = 1;
234 else if (memcmp (buf, "jk ", 3) != 0)
236 printf ("mq_receive returned buf \"%c%c%c\" != \"jk \"\n",
237 buf[0], buf[1], buf[2]);
238 result = 1;
241 if (clock_gettime (CLOCK_REALTIME, &ts) == 0)
242 ++ts.tv_sec;
243 else
245 ts.tv_sec = time (NULL) + 1;
246 ts.tv_nsec = 0;
249 if (mq_timedreceive (q2, buf, 2, NULL, &ts) != -1)
251 puts ("mq_timedreceive on empty queue unexpectedly succeeded");
252 result = 1;
254 else if (errno != ETIMEDOUT)
256 printf ("mq_timedreceive on empty queue did not fail with "
257 "ETIMEDOUT: %m\n");
258 result = 1;
261 if (mq_unlink (name) != 0)
263 printf ("mq_unlink failed: %m\n");
264 result = 1;
267 if (mq_close (q) != 0)
269 printf ("mq_close failed: %m\n");
270 result = 1;
273 if (mq_close (q2) != 0)
275 printf ("mq_close failed: %m\n");
276 result = 1;
279 if (mq_close (q3) != 0)
281 printf ("mq_close failed: %m\n");
282 result = 1;
285 return result;
288 #include "../test-skeleton.c"