diff options
Diffstat (limited to 'rt/tst-mqueue4.c')
-rw-r--r-- | rt/tst-mqueue4.c | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/rt/tst-mqueue4.c b/rt/tst-mqueue4.c new file mode 100644 index 0000000000..fa83ece95a --- /dev/null +++ b/rt/tst-mqueue4.c @@ -0,0 +1,276 @@ +/* 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#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; + } + + *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" |