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-rw-r--r--rt/tst-mqueue2.c477
1 files changed, 477 insertions, 0 deletions
diff --git a/rt/tst-mqueue2.c b/rt/tst-mqueue2.c
new file mode 100644
index 0000000..1948965
--- /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"
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