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-rw-r--r--rt/tst-mqueue6.c305
1 files changed, 305 insertions, 0 deletions
diff --git a/rt/tst-mqueue6.c b/rt/tst-mqueue6.c
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+++ b/rt/tst-mqueue6.c
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+/* Test mq_notify.
+ 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 <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+#include <time.h>
+#include <unistd.h>
+#include "tst-mqueue.h"
+
+#if _POSIX_THREADS
+# include <pthread.h>
+
+#define mqsend(q) (mqsend) (q, __LINE__)
+static inline int
+(mqsend) (mqd_t q, int line)
+{
+ char c;
+ if (mq_send (q, &c, 1, 1) != 0)
+ {
+ printf ("mq_send on line %d failed with: %m\n", line);
+ return 1;
+ }
+ return 0;
+}
+
+#define mqrecv(q) (mqrecv) (q, __LINE__)
+static inline int
+(mqrecv) (mqd_t q, int line)
+{
+ char c;
+ ssize_t rets = TEMP_FAILURE_RETRY (mq_receive (q, &c, 1, NULL));
+ if (rets != 1)
+ {
+ if (rets == -1)
+ printf ("mq_receive on line %d failed with: %m\n", line);
+ else
+ printf ("mq_receive on line %d returned %zd != 1\n",
+ line, rets);
+ return 1;
+ }
+ return 0;
+}
+
+volatile int fct_cnt, fct_err;
+size_t fct_guardsize;
+
+static void
+fct (union sigval s)
+{
+ mqd_t q = *(mqd_t *) s.sival_ptr;
+
+ pthread_attr_t nattr;
+ int ret = pthread_getattr_np (pthread_self (), &nattr);
+ if (ret)
+ {
+ errno = ret;
+ printf ("pthread_getattr_np failed: %m\n");
+ fct_err = 1;
+ }
+ else
+ {
+ ret = pthread_attr_getguardsize (&nattr, &fct_guardsize);
+ if (ret)
+ {
+ errno = ret;
+ printf ("pthread_attr_getguardsize failed: %m\n");
+ fct_err = 1;
+ }
+ if (pthread_attr_destroy (&nattr) != 0)
+ {
+ puts ("pthread_attr_destroy failed");
+ fct_err = 1;
+ }
+ }
+
+ ++fct_cnt;
+ fct_err |= mqsend (q);
+}
+
+#define TEST_FUNCTION do_test ()
+static int
+do_test (void)
+{
+ int result = 0;
+
+ char name[sizeof "/tst-mqueue6-" + sizeof (pid_t) * 3];
+ snprintf (name, sizeof (name), "/tst-mqueue6-%u", getpid ());
+
+ struct mq_attr attr = { .mq_maxmsg = 1, .mq_msgsize = 1 };
+ 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);
+
+ pthread_attr_t nattr;
+ if (pthread_attr_init (&nattr)
+ || pthread_attr_setguardsize (&nattr, 0))
+ {
+ puts ("pthread_attr_t setup failed");
+ result = 1;
+ }
+
+ fct_guardsize = 1;
+
+ struct sigevent ev;
+ memset (&ev, 0xaa, sizeof (ev));
+ ev.sigev_notify = SIGEV_THREAD;
+ ev.sigev_notify_function = fct;
+ ev.sigev_notify_attributes = &nattr;
+ ev.sigev_value.sival_ptr = &q;
+ if (mq_notify (q, &ev) != 0)
+ {
+ printf ("mq_notify (q, { SIGEV_THREAD }) failed with: %m\n");
+ result = 1;
+ }
+
+ size_t ps = sysconf (_SC_PAGESIZE);
+ if (pthread_attr_setguardsize (&nattr, 32 * ps))
+ {
+ puts ("pthread_attr_t setup failed");
+ result = 1;
+ }
+
+ if (mq_notify (q, &ev) == 0)
+ {
+ puts ("second mq_notify (q, { SIGEV_NONE }) unexpectedly succeeded");
+ result = 1;
+ }
+ else if (errno != EBUSY)
+ {
+ printf ("second mq_notify (q, { SIGEV_NONE }) failed with: %m\n");
+ result = 1;
+ }
+
+ if (fct_cnt != 0)
+ {
+ printf ("fct called too early (%d on %d)\n", fct_cnt, __LINE__);
+ result = 1;
+ }
+
+ result |= mqsend (q);
+
+ result |= mqrecv (q);
+ result |= mqrecv (q);
+
+ if (fct_cnt != 1)
+ {
+ printf ("fct not called (%d on %d)\n", fct_cnt, __LINE__);
+ result = 1;
+ }
+ else if (fct_guardsize != 0)
+ {
+ printf ("fct_guardsize %zd != 0\n", fct_guardsize);
+ result = 1;
+ }
+
+ if (mq_notify (q, &ev) != 0)
+ {
+ printf ("third mq_notify (q, { SIGEV_NONE }) failed with: %m\n");
+ result = 1;
+ }
+
+ if (mq_notify (q, NULL) != 0)
+ {
+ printf ("mq_notify (q, NULL) failed with: %m\n");
+ result = 1;
+ }
+
+ memset (&ev, 0x11, sizeof (ev));
+ ev.sigev_notify = SIGEV_THREAD;
+ ev.sigev_notify_function = fct;
+ ev.sigev_notify_attributes = &nattr;
+ ev.sigev_value.sival_ptr = &q;
+ if (mq_notify (q, &ev) != 0)
+ {
+ printf ("mq_notify (q, { SIGEV_THREAD }) failed with: %m\n");
+ result = 1;
+ }
+
+ if (pthread_attr_setguardsize (&nattr, 0))
+ {
+ puts ("pthread_attr_t setup failed");
+ result = 1;
+ }
+
+ if (mq_notify (q, &ev) == 0)
+ {
+ puts ("second mq_notify (q, { SIGEV_NONE }) unexpectedly succeeded");
+ result = 1;
+ }
+ else if (errno != EBUSY)
+ {
+ printf ("second mq_notify (q, { SIGEV_NONE }) failed with: %m\n");
+ result = 1;
+ }
+
+ if (fct_cnt != 1)
+ {
+ printf ("fct called too early (%d on %d)\n", fct_cnt, __LINE__);
+ result = 1;
+ }
+
+ result |= mqsend (q);
+
+ result |= mqrecv (q);
+ result |= mqrecv (q);
+
+ if (fct_cnt != 2)
+ {
+ printf ("fct not called (%d on %d)\n", fct_cnt, __LINE__);
+ result = 1;
+ }
+ else if (fct_guardsize != 32 * ps)
+ {
+ printf ("fct_guardsize %zd != %zd\n", fct_guardsize, 32 * ps);
+ result = 1;
+ }
+
+ if (mq_notify (q, &ev) != 0)
+ {
+ printf ("third mq_notify (q, { SIGEV_NONE }) failed with: %m\n");
+ result = 1;
+ }
+
+ if (mq_notify (q, NULL) != 0)
+ {
+ printf ("mq_notify (q, NULL) failed with: %m\n");
+ result = 1;
+ }
+
+ if (pthread_attr_destroy (&nattr) != 0)
+ {
+ puts ("pthread_attr_destroy failed");
+ 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;
+ }
+
+ memset (&ev, 0x55, sizeof (ev));
+ ev.sigev_notify = SIGEV_THREAD;
+ ev.sigev_notify_function = fct;
+ ev.sigev_notify_attributes = NULL;
+ ev.sigev_value.sival_int = 0;
+ if (mq_notify (q, &ev) == 0)
+ {
+ puts ("mq_notify on closed mqd_t unexpectedly succeeded");
+ result = 1;
+ }
+ else if (errno != EBADF)
+ {
+ printf ("mq_notify on closed mqd_t did not fail with EBADF: %m\n");
+ result = 1;
+ }
+
+ if (fct_err)
+ result = 1;
+ return result;
+}
+#else
+# define TEST_FUNCTION 0
+#endif
+
+#include "../test-skeleton.c"
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