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- /* Test message queue passing.
- Copyright (C) 2004 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
- 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
- <http://www.gnu.org/licenses/>. */
- #include <errno.h>
- #include <fcntl.h>
- #include <mqueue.h>
- #include <limits.h>
- #include <signal.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <sys/time.h>
- #include <sys/wait.h>
- #include <time.h>
- #include <unistd.h>
- #include "tst-mqueue.h"
- #define TIMEOUT 4
- #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)
- {
- printf ("mq_open failed with: %m\n");
- return result;
- }
- else
- 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 = %ld,\n"
- ".mq_maxmsg = %ld, .mq_msgsize = %ld, .mq_curmsgs = %ld }\n",
- attr.mq_flags, attr.mq_maxmsg, attr.mq_msgsize, 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 = %ld,\n"
- ".mq_maxmsg = %ld, .mq_msgsize = %ld, .mq_curmsgs = %ld }\n",
- attr.mq_flags, attr.mq_maxmsg, attr.mq_msgsize, 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"
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