diff options
Diffstat (limited to 'rt/tst-mqueue2.c')
| -rw-r--r-- | rt/tst-mqueue2.c | 477 |
1 files changed, 477 insertions, 0 deletions
diff --git a/rt/tst-mqueue2.c b/rt/tst-mqueue2.c new file mode 100644 index 0000000000..1948965c68 --- /dev/null +++ b/rt/tst-mqueue2.c @@ -0,0 +1,477 @@ +/* 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 <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" + +static void +alrm_handler (int sig) +{ +} + +#define TIMEOUT 10 +#define TEST_FUNCTION do_test () +static int +do_test (void) +{ + int result = 0; + + char name[sizeof "/tst-mqueue2-" + sizeof (pid_t) * 3]; + snprintf (name, sizeof (name), "/tst-mqueue2-%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); + + mqd_t q2 = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr); + if (q2 != (mqd_t) -1) + { + puts ("mq_open with O_EXCL unexpectedly succeeded"); + result = 1; + } + else if (errno != EEXIST) + { + printf ("mq_open did not fail with EEXIST: %m\n"); + result = 1; + } + + char name2[sizeof "/tst-mqueue2-2-" + sizeof (pid_t) * 3]; + snprintf (name2, sizeof (name2), "/tst-mqueue2-2-%u", getpid ()); + + attr.mq_maxmsg = -2; + q2 = mq_open (name2, O_CREAT | O_EXCL | O_RDWR, 0600, &attr); + if (q2 != (mqd_t) -1) + { + puts ("mq_open with invalid mq_maxmsg unexpectedly succeeded"); + add_temp_mq (name2); + result = 1; + } + else if (errno != EINVAL) + { + printf ("mq_open with invalid mq_maxmsg did not fail with " + "EINVAL: %m\n"); + result = 1; + } + + attr.mq_maxmsg = 2; + attr.mq_msgsize = -56; + q2 = mq_open (name2, O_CREAT | O_EXCL | O_RDWR, 0600, &attr); + if (q2 != (mqd_t) -1) + { + puts ("mq_open with invalid mq_msgsize unexpectedly succeeded"); + add_temp_mq (name2); + result = 1; + } + else if (errno != EINVAL) + { + printf ("mq_open with invalid mq_msgsize did not fail with " + "EINVAL: %m\n"); + result = 1; + } + + char buf[3]; + struct timespec ts; + if (clock_gettime (CLOCK_REALTIME, &ts) == 0) + ts.tv_sec += 10; + else + { + ts.tv_sec = time (NULL) + 10; + ts.tv_nsec = 0; + } + + if (mq_timedreceive (q, buf, 1, NULL, &ts) == 0) + { + puts ("mq_timedreceive with too small msg_len did not fail"); + result = 1; + } + else if (errno != EMSGSIZE) + { + printf ("mq_timedreceive with too small msg_len did not fail with " + "EMSGSIZE: %m\n"); + result = 1; + } + + ts.tv_nsec = -1; + if (mq_timedreceive (q, buf, 2, NULL, &ts) == 0) + { + puts ("mq_timedreceive with negative tv_nsec did not fail"); + result = 1; + } + else if (errno != EINVAL) + { + printf ("mq_timedreceive with negative tv_nsec did not fail with " + "EINVAL: %m\n"); + result = 1; + } + + ts.tv_nsec = 1000000000; + if (mq_timedreceive (q, buf, 2, NULL, &ts) == 0) + { + puts ("mq_timedreceive with tv_nsec >= 1000000000 did not fail"); + result = 1; + } + else if (errno != EINVAL) + { + printf ("mq_timedreceive with tv_nsec >= 1000000000 did not fail with " + "EINVAL: %m\n"); + result = 1; + } + + struct sigaction sa = { .sa_handler = alrm_handler, .sa_flags = 0 }; + sigemptyset (&sa.sa_mask); + sigaction (SIGALRM, &sa, NULL); + + struct itimerval it = { .it_value = { .tv_sec = 1 } }; + setitimer (ITIMER_REAL, &it, NULL); + + if (mq_receive (q, buf, 2, NULL) == 0) + { + puts ("mq_receive on empty queue did not block"); + result = 1; + } + else if (errno != EINTR) + { + printf ("mq_receive on empty queue did not fail with EINTR: %m\n"); + result = 1; + } + + setitimer (ITIMER_REAL, &it, NULL); + + ts.tv_nsec = 0; + if (mq_timedreceive (q, buf, 2, NULL, &ts) == 0) + { + puts ("mq_timedreceive on empty queue did not block"); + result = 1; + } + else if (errno != EINTR) + { + printf ("mq_timedreceive on empty queue did not fail with EINTR: %m\n"); + result = 1; + } + + buf[0] = '6'; + buf[1] = '7'; + if (mq_send (q, buf, 2, 3) != 0 + || (buf[0] = '8', mq_send (q, buf, 1, 4) != 0)) + { + printf ("mq_send failed: %m\n"); + result = 1; + } + + memset (buf, ' ', sizeof (buf)); + + unsigned int prio; + ssize_t rets = mq_receive (q, buf, 3, &prio); + if (rets != 1) + { + if (rets == -1) + printf ("mq_receive failed: %m\n"); + else + printf ("mq_receive returned %zd != 1\n", rets); + result = 1; + } + else if (prio != 4 || memcmp (buf, "8 ", 3) != 0) + { + printf ("mq_receive prio %u (4) buf \"%c%c%c\" (\"8 \")\n", + prio, buf[0], buf[1], buf[2]); + result = 1; + } + + rets = mq_receive (q, buf, 2, NULL); + if (rets != 2) + { + if (rets == -1) + printf ("mq_receive failed: %m\n"); + else + printf ("mq_receive returned %zd != 2\n", rets); + result = 1; + } + else if (memcmp (buf, "67 ", 3) != 0) + { + printf ("mq_receive buf \"%c%c%c\" != \"67 \"\n", + buf[0], buf[1], buf[2]); + result = 1; + } + + buf[0] = '2'; + buf[1] = '1'; + if (clock_gettime (CLOCK_REALTIME, &ts) != 0) + ts.tv_sec = time (NULL); + ts.tv_nsec = -1000000001; + if ((mq_timedsend (q, buf, 2, 5, &ts) != 0 + && (errno != EINVAL || mq_send (q, buf, 2, 5) != 0)) + || (buf[0] = '3', ts.tv_nsec = -ts.tv_nsec, + (mq_timedsend (q, buf, 1, 4, &ts) != 0 + && (errno != EINVAL || mq_send (q, buf, 1, 4) != 0)))) + { + printf ("mq_timedsend failed: %m\n"); + result = 1; + } + + buf[0] = '-'; + ts.tv_nsec = 1000000001; + if (mq_timedsend (q, buf, 1, 6, &ts) == 0) + { + puts ("mq_timedsend with tv_nsec >= 1000000000 did not fail"); + result = 1; + } + else if (errno != EINVAL) + { + printf ("mq_timedsend with tv_nsec >= 1000000000 did not fail with " + "EINVAL: %m\n"); + result = 1; + } + + ts.tv_nsec = -2; + if (mq_timedsend (q, buf, 1, 6, &ts) == 0) + { + puts ("mq_timedsend with negative tv_nsec did not fail"); + result = 1; + } + else if (errno != EINVAL) + { + printf ("mq_timedsend with megatove tv_nsec did not fail with " + "EINVAL: %m\n"); + result = 1; + } + + setitimer (ITIMER_REAL, &it, NULL); + + if (mq_send (q, buf, 2, 8) == 0) + { + puts ("mq_send on full queue did not block"); + result = 1; + } + else if (errno != EINTR) + { + printf ("mq_send on full queue did not fail with EINTR: %m\n"); + result = 1; + } + + setitimer (ITIMER_REAL, &it, NULL); + + ts.tv_sec += 10; + ts.tv_nsec = 0; + if (mq_timedsend (q, buf, 2, 7, &ts) == 0) + { + puts ("mq_timedsend on full queue did not block"); + result = 1; + } + else if (errno != EINTR) + { + printf ("mq_timedsend on full queue did not fail with EINTR: %m\n"); + result = 1; + } + + memset (buf, ' ', sizeof (buf)); + + if (clock_gettime (CLOCK_REALTIME, &ts) != 0) + ts.tv_sec = time (NULL); + ts.tv_nsec = -1000000001; + rets = mq_timedreceive (q, buf, 2, &prio, &ts); + if (rets == -1 && errno == EINVAL) + rets = mq_receive (q, buf, 2, &prio); + if (rets != 2) + { + if (rets == -1) + printf ("mq_timedreceive failed: %m\n"); + else + printf ("mq_timedreceive returned %zd != 2\n", rets); + result = 1; + } + else if (prio != 5 || memcmp (buf, "21 ", 3) != 0) + { + printf ("mq_timedreceive prio %u (5) buf \"%c%c%c\" (\"21 \")\n", + prio, buf[0], buf[1], buf[2]); + result = 1; + } + + if (mq_receive (q, buf, 1, NULL) == 0) + { + puts ("mq_receive with too small msg_len did not fail"); + result = 1; + } + else if (errno != EMSGSIZE) + { + printf ("mq_receive with too small msg_len did not fail with " + "EMSGSIZE: %m\n"); + result = 1; + } + + ts.tv_nsec = -ts.tv_nsec; + rets = mq_timedreceive (q, buf, 2, NULL, &ts); + if (rets == -1 && errno == EINVAL) + rets = mq_receive (q, buf, 2, NULL); + if (rets != 1) + { + if (rets == -1) + printf ("mq_timedreceive failed: %m\n"); + else + printf ("mq_timedreceive returned %zd != 1\n", rets); + result = 1; + } + else if (memcmp (buf, "31 ", 3) != 0) + { + printf ("mq_timedreceive buf \"%c%c%c\" != \"31 \"\n", + buf[0], buf[1], buf[2]); + result = 1; + } + + if (mq_send (q, "", 0, 2) != 0) + { + printf ("mq_send with msg_len 0 failed: %m\n"); + result = 1; + } + + rets = mq_receive (q, buf, 2, &prio); + if (rets) + { + if (rets == -1) + printf ("mq_receive failed: %m\n"); + else + printf ("mq_receive returned %zd != 0\n", rets); + result = 1; + } + + long mq_prio_max = sysconf (_SC_MQ_PRIO_MAX); + if (mq_prio_max > 0 && (unsigned int) mq_prio_max == mq_prio_max) + { + if (mq_send (q, buf, 1, mq_prio_max) == 0) + { + puts ("mq_send with MQ_PRIO_MAX priority unpexpectedly succeeded"); + result = 1; + } + else if (errno != EINVAL) + { + printf ("mq_send with MQ_PRIO_MAX priority did not fail with " + "EINVAL: %m\n"); + result = 1; + } + + if (mq_send (q, buf, 1, mq_prio_max - 1) != 0) + { + printf ("mq_send with MQ_PRIO_MAX-1 priority failed: %m\n"); + result = 1; + } + } + + if (mq_unlink (name) != 0) + { + printf ("mq_unlink failed: %m\n"); + result = 1; + } + + q2 = mq_open (name, O_RDWR); + if (q2 != (mqd_t) -1) + { + printf ("mq_open of unlinked %s without O_CREAT unexpectedly" + "succeeded\n", name); + result = 1; + } + else if (errno != ENOENT) + { + printf ("mq_open of unlinked %s without O_CREAT did not fail with " + "ENOENT: %m\n", name); + result = 1; + } + + if (mq_close (q) != 0) + { + printf ("mq_close in parent failed: %m\n"); + result = 1; + } + + if (mq_receive (q, buf, 2, NULL) == 0) + { + puts ("mq_receive on invalid mqd_t did not fail"); + result = 1; + } + else if (errno != EBADF) + { + printf ("mq_receive on invalid mqd_t did not fail with EBADF: %m\n"); + result = 1; + } + + if (mq_send (q, buf, 1, 2) == 0) + { + puts ("mq_send on invalid mqd_t did not fail"); + result = 1; + } + else if (errno != EBADF) + { + printf ("mq_send on invalid mqd_t did not fail with EBADF: %m\n"); + result = 1; + } + + if (mq_getattr (q, &attr) == 0) + { + puts ("mq_getattr on invalid mqd_t did not fail"); + result = 1; + } + else if (errno != EBADF) + { + printf ("mq_getattr on invalid mqd_t did not fail with EBADF: %m\n"); + result = 1; + } + + memset (&attr, 0, sizeof (attr)); + if (mq_setattr (q, &attr, NULL) == 0) + { + puts ("mq_setattr on invalid mqd_t did not fail"); + result = 1; + } + else if (errno != EBADF) + { + printf ("mq_setattr on invalid mqd_t did not fail with EBADF: %m\n"); + result = 1; + } + + if (mq_unlink ("/tst-mqueue2-which-should-never-exist") != -1) + { + puts ("mq_unlink of non-existant message queue unexpectedly succeeded"); + result = 1; + } + else if (errno != ENOENT) + { + printf ("mq_unlink of non-existant message queue did not fail with " + "ENOENT: %m\n"); + result = 1; + } + return result; +} + +#include "../test-skeleton.c" |