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
33 #include "tst-mqueue.h"
36 #define TEST_FUNCTION do_test ()
42 char name[sizeof "/tst-mqueue4-" + sizeof (pid_t) * 3 + NAME_MAX];
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);
50 printf ("mq_open failed with: %m\n");
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);
63 printf ("mq_open with NAME_MAX long name compoment failed with: %m\n");
67 if (mq_unlink (name) != 0)
69 printf ("mq_unlink failed: %m\n");
73 if (mq_close (q2) != 0)
75 printf ("mq_close failed: %m\n");
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);
84 puts ("mq_open with too long name component unexpectedly succeeded");
89 else if (errno != ENAMETOOLONG)
91 printf ("mq_open with too long name component did not fail with "
92 "ENAMETOOLONG: %m\n");
99 q2 = mq_open (name, O_CREAT | O_RDWR, 0600, &attr);
100 if (q2 == (mqd_t) -1)
102 printf ("mq_open without O_EXCL failed with %m\n");
108 if (mq_send (q, buf, 2, 4) != 0)
110 printf ("mq_send failed: %m\n");
114 if (mq_send (q, buf + 1, 1, 5) != 0)
116 printf ("mq_send failed: %m\n");
120 if (mq_getattr (q2, &attr) != 0)
122 printf ("mq_getattr failed: %m\n");
126 if ((attr.mq_flags & O_NONBLOCK)
127 || attr.mq_maxmsg != 2
128 || attr.mq_msgsize != 2
129 || attr.mq_curmsgs != 2)
131 printf ("mq_getattr returned unexpected { .mq_flags = %ld,\n"
132 ".mq_maxmsg = %ld, .mq_msgsize = %ld, .mq_curmsgs = %ld }\n",
133 attr.mq_flags, attr.mq_maxmsg, attr.mq_msgsize, attr.mq_curmsgs);
138 if (clock_gettime (CLOCK_REALTIME, &ts) == 0)
142 ts.tv_sec = time (NULL) + 1;
146 if (mq_timedsend (q2, buf, 1, 1, &ts) == 0)
148 puts ("mq_timedsend unexpectedly succeeded");
151 else if (errno != ETIMEDOUT)
153 printf ("mq_timedsend did not fail with ETIMEDOUT: %m\n");
157 if (mq_close (q2) != 0)
159 printf ("mq_close failed: %m\n");
163 q2 = mq_open (name, O_RDONLY, 0600);
164 if (q2 == (mqd_t) -1)
166 printf ("mq_open without O_CREAT failed with %m\n");
170 mqd_t q3 = mq_open (name, O_RDONLY, 0600);
171 if (q3 == (mqd_t) -1)
173 printf ("mq_open without O_CREAT failed with %m\n");
177 memset (buf, ' ', sizeof (buf));
180 ssize_t rets = mq_receive (q2, buf, 2, &prio);
184 printf ("mq_receive failed with: %m\n");
186 printf ("mq_receive returned %zd != 1\n", rets);
189 else if (prio != 5 || memcmp (buf, "k ", 3) != 0)
191 printf ("mq_receive returned prio %u (2) buf \"%c%c%c\" (\"k \")\n",
192 prio, buf[0], buf[1], buf[2]);
196 if (mq_getattr (q3, &attr) != 0)
198 printf ("mq_getattr failed: %m\n");
202 if ((attr.mq_flags & O_NONBLOCK)
203 || attr.mq_maxmsg != 2
204 || attr.mq_msgsize != 2
205 || attr.mq_curmsgs != 1)
207 printf ("mq_getattr returned unexpected { .mq_flags = %ld,\n"
208 ".mq_maxmsg = %ld, .mq_msgsize = %ld, .mq_curmsgs = %ld }\n",
209 attr.mq_flags, attr.mq_maxmsg, attr.mq_msgsize, attr.mq_curmsgs);
213 rets = mq_receive (q3, buf, 2, NULL);
217 printf ("mq_receive failed with: %m\n");
219 printf ("mq_receive returned %zd != 2\n", rets);
222 else if (memcmp (buf, "jk ", 3) != 0)
224 printf ("mq_receive returned buf \"%c%c%c\" != \"jk \"\n",
225 buf[0], buf[1], buf[2]);
229 if (clock_gettime (CLOCK_REALTIME, &ts) == 0)
233 ts.tv_sec = time (NULL) + 1;
237 if (mq_timedreceive (q2, buf, 2, NULL, &ts) != -1)
239 puts ("mq_timedreceive on empty queue unexpectedly succeeded");
242 else if (errno != ETIMEDOUT)
244 printf ("mq_timedreceive on empty queue did not fail with "
249 if (mq_unlink (name) != 0)
251 printf ("mq_unlink failed: %m\n");
255 if (mq_close (q) != 0)
257 printf ("mq_close failed: %m\n");
261 if (mq_close (q2) != 0)
263 printf ("mq_close failed: %m\n");
267 if (mq_close (q3) != 0)
269 printf ("mq_close failed: %m\n");
276 #include "../test-skeleton.c"