Update.

2004-04-08  Ulrich Drepper  <drepper@redhat.com>

	* rt/tst-mqueue3.c: New file.
	* rt/Makefile (tests): Add tst-mqueue3.

2004-04-08  Jakub Jelinek  <jakub@redhat.com>

	* rt/tst-mqueue1.c: New file.
	* rt/tst-mqueue2.c: New file.
	* rt/tst-mqueue4.c: New file.
	* rt/Makefile (tests): Add tst-mqueue1, tst-mqueue2, tst-mqueue4.

	* rt/Versions (librt): Add mq_*@@GLIBC_2.3.4.
	* rt/Makefile (headers): Add mqueue.h and bits/mqueue.h.
	(mq-routines): Set.
	(librt-routines): Use it.
	* rt/mqueue.h: New file.
	* include/mqueue.h: New file.
	* sysdeps/generic/bits/mqueue.h: New file.
	* sysdeps/generic/mq_setattr.c: New file.
	* sysdeps/generic/mq_getattr.c: New file.
	* sysdeps/generic/mq_notify.c: New file.
	* sysdeps/generic/mq_close.c: New file.
	* sysdeps/generic/mq_send.c: New file.
	* sysdeps/generic/mq_unlink.c: New file.
	* sysdeps/generic/mq_receive.c: New file.
	* sysdeps/generic/mq_timedreceive.c: New file.
	* sysdeps/generic/mq_timedsend.c: New file.
	* sysdeps/generic/mq_open.c: New file.
	* sysdeps/unix/sysv/linux/bits/local_lim.h (MQ_PRIO_MAX): Define.
	* sysdeps/unix/sysv/linux/bits/mqueue.h: New file.
	* sysdeps/unix/sysv/linux/syscalls.list: Add mq_timedsend,
	mq_timedreceive and mq_setattr.
	* sysdeps/unix/sysv/linux/mq_getattr.c: New file.
	* sysdeps/unix/sysv/linux/mq_notify.c: New file.
	* sysdeps/unix/sysv/linux/mq_close.c: New file.
	* sysdeps/unix/sysv/linux/mq_send.c: New file.
	* sysdeps/unix/sysv/linux/mq_unlink.c: New file.
	* sysdeps/unix/sysv/linux/mq_receive.c: New file.
	* sysdeps/unix/sysv/linux/mq_open.c: New file.

2004-04-09  Thorsten Kukuk  <kukuk@suse.de>

	* sysdeps/s390/ffs.c: Don't add ffsl weak alias on s390x.

2004-04-09  Steven Munroe  <sjmunroe@us.ibm.com>

	* sysdeps/unix/sysv/linux/powerpc/powerpc64/umount.c: New file.

8 files changed, 1574 insertions, 4 deletions

diff --git a/rt/Makefile b/rt/Makefile
index 47167890a0..fd5185292c 100644
--- a/rt/Makefile
+++ b/rt/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1997-2001, 2002, 2003 Free Software Foundation, Inc.
+# Copyright (C) 1997-2001, 2002, 2003, 2004 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -21,7 +21,7 @@
 #
 subdir	:= rt
 
-headers	:= aio.h
+headers	:= aio.h mqueue.h bits/mqueue.h
 
 aio-routines   := aio_cancel aio_error aio_fsync aio_misc aio_read	\
 		  aio_read64 aio_return aio_suspend aio_write		\
@@ -33,14 +33,17 @@ clock-routines := get_clockfreq clock_getcpuclockid			\
 timer-routines := timer_create timer_delete timer_getoverr		\
 		  timer_gettime timer_settime
 shm-routines   := shm_open shm_unlink
+mq-routines    := mq_open mq_close mq_unlink mq_getattr mq_setattr	\
+		  mq_notify mq_send mq_receive mq_timedsend		\
+		  mq_timedreceive
 
 librt-routines = $(aio-routines) \
 		 $(clock-routines) $(timer-routines) \
-		 $(shm-routines)
+		 $(shm-routines) $(mq-routines)
 
 tests := tst-shm tst-clock tst-clock_nanosleep tst-timer tst-timer2 \
 	 tst-aio tst-aio64 tst-aio2 tst-aio3 tst-aio4 tst-aio5 tst-aio6 \
-	 tst-aio7
+	 tst-aio7 tst-mqueue1 tst-mqueue2 tst-mqueue3 tst-mqueue4
 
 extra-libs := librt
 extra-libs-others := $(extra-libs)
@@ -53,6 +56,8 @@ CFLAGS-aio_suspend.c = -fexceptions
 CFLAGS-clock_nanosleep.c = -fexceptions -fasynchronous-unwind-tables
 CFLAGS-librt-cancellation.c = -fasynchronous-unwind-tables
 
+LDFLAGS-rt.so = -Wl,--enable-new-dtags,-z,nodelete
+
 # Depend on libc.so so a DT_NEEDED is generated in the shared objects.
 # This ensures they will load libc.so for needed symbols if loaded by
 # a statically-linked program that hasn't already loaded it.
diff --git a/rt/Versions b/rt/Versions
index 133f374ea6..a7d633d0ea 100644
--- a/rt/Versions
+++ b/rt/Versions
@@ -17,4 +17,9 @@ librt {
     timer_create; timer_delete; timer_getoverrun; timer_gettime;
     timer_settime;
   }
+  GLIBC_2.3.4 {
+    # m*
+    mq_open; mq_close; mq_unlink; mq_getattr; mq_setattr; 
+    mq_notify; mq_send; mq_receive; mq_timedsend; mq_timedreceive;
+  }
 }
diff --git a/rt/mqueue.h b/rt/mqueue.h
new file mode 100644
index 0000000000..42313b192b
--- /dev/null
+++ b/rt/mqueue.h
@@ -0,0 +1,91 @@
+/* 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.  */
+
+#ifndef _MQUEUE_H
+#define _MQUEUE_H	1
+
+#include <features.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#define __need_sigevent_t
+#include <bits/siginfo.h>
+#define __need_timespec
+#include <time.h>
+/* Get the definition of mqd_t and struct mq_attr.  */
+#include <bits/mqueue.h>
+
+__BEGIN_DECLS
+
+/* Establish connection between a process and a message queue NAME and
+   return message queue descriptor or (mqd_t) -1 on error.  OFLAG determines
+   the type of access used.  If O_CREAT is on OFLAG, the third argument is
+   taken as a `mode_t', the mode of the created message queue, and the fourth
+   argument is taken as `struct mq_attr *', pointer to message queue
+   attributes.  If the fourth argument is NULL, default attributes are
+   used.  */
+extern mqd_t mq_open (const char *__name, int __oflag, ...) __THROW;
+
+/* Removes the association between message queue descriptor MQDES and its
+   message queue.  */
+extern int mq_close (mqd_t __mqdes) __THROW;
+
+/* Query status and attributes of message queue MQDES.  */
+extern int mq_getattr (mqd_t __mqdes, struct mq_attr *__mqstat) __THROW;
+
+/* Set attributes associated with message queue MQDES and if OMQSTAT is
+   not NULL also query its old attributes.  */
+extern int mq_setattr (mqd_t __mqdes,
+		       const struct mq_attr *__restrict __mqstat,
+		       struct mq_attr *__restrict __omqstat) __THROW;
+
+/* Remove message queue named NAME.  */
+extern int mq_unlink (const char *__name) __THROW;
+
+/* Register notification upon message arrival to an empty message queue
+   MQDES.  */
+extern int mq_notify (mqd_t __mqdes, const struct sigevent *__notification)
+     __THROW;
+
+/* Receive the oldest from highest priority messages in message queue
+   MQDES.  */
+extern ssize_t mq_receive (mqd_t __mqdes, char *__msg_ptr, size_t __msg_len,
+			   unsigned int *__msg_prio);
+
+/* Add message pointed by MSG_PTR to message queue MQDES.  */
+extern int mq_send (mqd_t __mqdes, const char *__msg_ptr, size_t __msg_len,
+		    unsigned int __msg_prio);
+
+#ifdef __USE_XOPEN2K
+/* Receive the oldest from highest priority messages in message queue
+   MQDES, stop waiting if ABS_TIMEOUT expires.  */
+extern ssize_t mq_timedreceive (mqd_t __mqdes, char *__restrict __msg_ptr,
+				size_t __msg_len,
+				unsigned int *__restrict __msg_prio,
+				const struct timespec *__restrict __abs_timeout);
+
+/* Add message pointed by MSG_PTR to message queue MQDES, stop blocking
+   on full message queue if ABS_TIMEOUT expires.  */
+extern int mq_timedsend (mqd_t __mqdes, const char *__msg_ptr,
+			 size_t __msg_len, unsigned int __msg_prio,
+			 const struct timespec *__abs_timeout);
+#endif
+
+__END_DECLS                                                      
+
+#endif /* mqueue.h */
diff --git a/rt/tst-mqueue.h b/rt/tst-mqueue.h
new file mode 100644
index 0000000000..3659795a1b
--- /dev/null
+++ b/rt/tst-mqueue.h
@@ -0,0 +1,62 @@
+/* Common code for message queue passing tests.
+   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 <mqueue.h>
+#include <search.h>
+#include <stdlib.h>
+#include <string.h>
+
+/* List of temporary files.  */
+struct temp_mq_list
+{
+  struct qelem q;
+  char name[1];
+} *temp_mq_list;
+
+/* Add temporary files in list.  */
+static void
+__attribute__ ((unused))
+add_temp_mq (const char *name)
+{
+  size_t len = strlen (name);
+  struct temp_mq_list *newp
+    = (struct temp_mq_list *) calloc (sizeof (*newp) + len, 1);
+  if (newp != NULL)
+    {
+      memcpy (newp->name, name, len + 1);
+      if (temp_mq_list == NULL)
+        temp_mq_list = (struct temp_mq_list *) &newp->q;
+      else
+        insque (newp, temp_mq_list);
+    }
+}
+
+/* Delete all temporary files.  */
+static void
+delete_temp_mqs (void)
+{
+  while (temp_mq_list != NULL)
+    {
+      mq_unlink (temp_mq_list->name);
+      temp_mq_list = (struct temp_mq_list *) temp_mq_list->q.q_forw;
+    }
+}
+
+#define CLEANUP_HANDLER	delete_temp_mqs ()
diff --git a/rt/tst-mqueue1.c b/rt/tst-mqueue1.c
new file mode 100644
index 0000000000..a6f8fb50c7
--- /dev/null
+++ b/rt/tst-mqueue1.c
@@ -0,0 +1,416 @@
+/* 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/wait.h>
+#include <time.h>
+#include <unistd.h>
+#include "tst-mqueue.h"
+
+static int
+intcmp (const void *a, const void *b)
+{
+  if (*(unsigned char *)a < *(unsigned char *)b)
+    return 1;
+  if (*(unsigned char *)a > *(unsigned char *)b)
+    return -1;
+  return 0;
+}
+
+static int
+check_attrs (struct mq_attr *attr, int nonblock, long cnt)
+{
+  int result = 0;
+
+  if (attr->mq_maxmsg != 10 || attr->mq_msgsize != 1)
+    {
+      printf ("attributes don't match those passed to mq_open\n"
+	      "mq_maxmsg %ld, mq_msgsize %ld\n",
+	      attr->mq_maxmsg, attr->mq_msgsize);
+      result = 1;
+    }
+
+  if ((attr->mq_flags & O_NONBLOCK) != nonblock)
+    {
+      printf ("mq_flags %lx != %x\n", (attr->mq_flags & O_NONBLOCK), nonblock);
+      result = 1;
+    }
+
+  if (attr->mq_curmsgs != cnt)
+    {
+      printf ("mq_curmsgs %ld != %ld\n", attr->mq_curmsgs, cnt);
+      result = 1;
+    }
+
+  return result;
+}
+
+static int
+do_one_test (mqd_t q, const char *name, int nonblock)
+{
+  int result = 0;
+
+  unsigned char v []
+    = { 0x32, 0x62, 0x22, 0x31, 0x11, 0x73, 0x61, 0x21, 0x72, 0x71, 0x81 };
+
+  struct mq_attr attr;
+  memset (&attr, 0xaa, sizeof (attr));
+  if (mq_getattr (q, &attr) != 0)
+    {
+      printf ("mq_getattr failed: %m\n");
+      result = 1;
+    }
+  else
+    result = check_attrs (&attr, nonblock, 0);
+
+  if (mq_receive (q, &v[0], 1, NULL) != -1)
+    {
+      puts ("mq_receive on O_WRONLY mqd_t unexpectedly succeeded");
+      result = 1;
+    }
+  else if (errno != EBADF)
+    {
+      printf ("mq_receive on O_WRONLY mqd_t did not fail with EBADF: %m\n");
+      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;
+    }
+
+  int ret;
+  for (int i = 0; i < 10; ++i)
+    {
+      if (i & 1)
+	ret = mq_send (q, &v[i], 1, v[i] >> 4);
+      else
+	ret = mq_timedsend (q, &v[i], 1, v[i] >> 4, &ts);
+
+      if (ret)
+	{
+	  printf ("mq_%ssend failed: %m\n", (i & 1) ? "" : "timed");
+	  result = 1;
+	}
+    }
+
+  ret = mq_timedsend (q, &v[10], 1, 8, &ts);
+  if (ret != -1)
+    {
+      puts ("mq_timedsend on full queue did not fail");
+      result = 1;
+    }
+  else if (errno != (nonblock ? EAGAIN : ETIMEDOUT))
+    {
+      printf ("mq_timedsend on full queue did not fail with %s: %m\n",
+	      nonblock ? "EAGAIN" : "ETIMEDOUT");
+      result = 1;
+    }
+
+  if (nonblock)
+    {
+      ret = mq_send (q, &v[10], 1, 8);
+      if (ret != -1)
+	{
+	  puts ("mq_send on full non-blocking queue did not fail");
+	  result = 1;
+	}
+      else if (errno != EAGAIN)
+	{
+	  printf ("mq_send on full non-blocking queue did not fail"
+		  "with EAGAIN: %m\n");
+	  result = 1;
+	}
+    }
+
+  memset (&attr, 0xaa, sizeof (attr));
+  if (mq_getattr (q, &attr) != 0)
+    {
+      printf ("mq_getattr failed: %m\n");
+      result = 1;
+    }
+  else
+    result = check_attrs (&attr, nonblock, 10);
+
+  pid_t pid = fork ();
+  if (pid == -1)
+    {
+      printf ("fork failed: %m\n");
+      result = 1;
+    }
+  else if (pid == 0)
+    {
+      result = 0;
+
+      if (mq_close (q) != 0)
+	{
+	  printf ("mq_close in child failed: %m\n");
+	  result = 1;
+	}
+
+      q = mq_open (name, O_RDONLY | nonblock);
+      if (q == (mqd_t) -1)
+        {
+	  printf ("mq_open in child failed: %m\n");
+	  exit (1);
+        }
+
+      memset (&attr, 0xaa, sizeof (attr));
+      if (mq_getattr (q, &attr) != 0)
+	{
+	  printf ("mq_getattr failed: %m\n");
+	  result = 1;
+	}
+      else
+	result = check_attrs (&attr, nonblock, 10);
+
+      unsigned char vr[11] = { };
+      unsigned int prio;
+      ssize_t rets;
+
+      if (mq_send (q, &v[0], 1, 1) != -1)
+	{
+	  puts ("mq_send on O_RDONLY mqd_t unexpectedly succeeded");
+	  result = 1;
+	}
+      else if (errno != EBADF)
+	{
+	  printf ("mq_send on O_WRONLY mqd_t did not fail with EBADF: %m\n");
+	  result = 1;
+	}
+
+      for (int i = 0; i < 10; ++i)
+	{
+	  if (i & 1)
+	    rets = mq_receive (q, &vr[i], 1, &prio);
+	  else
+	    rets = mq_timedreceive (q, &vr[i], 1, &prio, &ts);
+
+	  if (rets != 1)
+	    {
+	      if (rets == -1)
+		printf ("mq_%sreceive failed: %m\n", (i & 1) ? "" : "timed");
+	      else
+		printf ("mq_%sreceive returned %zd != 1\n",
+			(i & 1) ? "" : "timed", rets);
+	      result = 1;
+	    }
+	  else if (prio != (unsigned int) vr[i] >> 4)
+	    {
+	      printf ("unexpected priority %x for value %02x\n", prio,
+		      vr[i]);
+	      result = 1;
+	    }
+	}
+
+      qsort (v, 10, 1, intcmp);
+      if (memcmp (v, vr, 10) != 0)
+	{
+	  puts ("messages not received in expected order");
+	  result = 1;
+	}
+
+      rets = mq_timedreceive (q, &vr[10], 1, &prio, &ts);
+      if (rets != -1)
+	{
+	  puts ("mq_timedreceive on empty queue did not fail");
+	  result = 1;
+	}
+      else if (errno != (nonblock ? EAGAIN : ETIMEDOUT))
+	{
+	  printf ("mq_timedreceive on empty queue did not fail with %s: %m\n",
+		  nonblock ? "EAGAIN" : "ETIMEDOUT");
+	  result = 1;
+	}
+
+      if (nonblock)
+	{
+	  ret = mq_receive (q, &vr[10], 1, &prio);
+	  if (ret != -1)
+	    {
+	      puts ("mq_receive on empty non-blocking queue did not fail");
+	      result = 1;
+	    }
+	  else if (errno != EAGAIN)
+	    {
+	      printf ("mq_receive on empty non-blocking queue did not fail"
+		      "with EAGAIN: %m\n");
+	      result = 1;
+	    }
+	}
+
+      memset (&attr, 0xaa, sizeof (attr));
+      if (mq_getattr (q, &attr) != 0)
+	{
+	  printf ("mq_getattr failed: %m\n");
+	  result = 1;
+	}
+      else
+	result = check_attrs (&attr, nonblock, 0);
+
+      if (mq_close (q) != 0)
+	{
+	  printf ("mq_close in child failed: %m\n");
+	  result = 1;
+	}
+
+      exit (result);
+    }
+
+  int status;
+  if (waitpid (pid, &status, 0) != pid)
+    {
+      printf ("waitpid failed: %m\n");
+      result = 1;
+    }
+  else if (!WIFEXITED (status) || WEXITSTATUS (status))
+    {
+      printf ("child failed: %d\n", status);
+      result = 1;
+    }
+
+  memset (&attr, 0xaa, sizeof (attr));
+  if (mq_getattr (q, &attr) != 0)
+    {
+      printf ("mq_getattr failed: %m\n");
+      result = 1;
+    }
+  else
+    result = check_attrs (&attr, nonblock, 0);
+
+  return result;
+}
+
+#define TEST_FUNCTION do_test ()
+static int
+do_test (void)
+{
+  int result = 0;
+
+  char name[sizeof "/tst-mqueue-" + sizeof (pid_t) * 3];
+  snprintf (name, sizeof (name), "/tst-mqueue-%u", getpid ());
+
+  struct mq_attr attr = { .mq_maxmsg = 10, .mq_msgsize = 1 };
+  mqd_t q = mq_open (name, O_CREAT | O_EXCL | O_WRONLY, 0600, &attr);
+
+  if (q == (mqd_t) -1)
+    {
+      printf ("mq_open failed with: %m\n");
+      return result;
+    }
+  else
+    add_temp_mq (name);
+
+  result = do_one_test (q, name, 0);
+
+  mqd_t q2 = mq_open (name, O_WRONLY | O_NONBLOCK);
+  if (q2 == (mqd_t) -1)
+    {
+      printf ("mq_open failed with: %m\n");
+      q2 = q;
+      result = 1;
+    }
+  else
+    {
+      if (mq_close (q) != 0)
+	{
+	  printf ("mq_close in parent failed: %m\n");
+	  result = 1;
+	}
+
+      q = q2;
+      result |= do_one_test (q, name, O_NONBLOCK);
+
+      if (mq_getattr (q, &attr) != 0)
+	{
+	  printf ("mq_getattr failed: %m\n");
+	  result = 1;
+	}
+      else
+	{
+	  attr.mq_flags ^= O_NONBLOCK;
+
+	  struct mq_attr attr2;
+	  memset (&attr2, 0x55, sizeof (attr2));
+	  if (mq_setattr (q, &attr, &attr2) != 0)
+	    {
+	      printf ("mq_setattr failed: %m\n");
+	      result = 1;
+	    }
+	  else if (attr.mq_flags != (attr2.mq_flags ^ O_NONBLOCK)
+		   || attr.mq_maxmsg != attr2.mq_maxmsg
+		   || attr.mq_msgsize != attr2.mq_msgsize
+		   || attr.mq_curmsgs != 0
+		   || attr2.mq_curmsgs != 0)
+	    {
+	      puts ("mq_setattr returned unexpected values in *omqstat");
+	      result = 1;
+	    }
+	  else
+	    {
+	      result |= do_one_test (q, name, 0);
+
+	      if (mq_setattr (q, &attr2, NULL) != 0)
+		{
+		  printf ("mq_setattr failed: %m\n");
+		  result = 1;
+		}
+	      else
+		result |= do_one_test (q, name, O_NONBLOCK);
+	    }
+	}
+    }
+
+  if (mq_unlink (name) != 0)
+    {
+      printf ("mq_unlink failed: %m\n");
+      result = 1;
+    }
+
+  if (mq_close (q) != 0)
+    {
+      printf ("mq_close in parent failed: %m\n");
+      result = 1;
+    }
+
+  if (mq_close (q) != -1)
+    {
+      puts ("second mq_close did not fail");
+      result = 1;
+    }
+  else if (errno != EBADF)
+    {
+      printf ("second mq_close did not fail with EBADF: %m\n");
+      result = 1;
+    }
+
+  return result;
+}
+
+#include "../test-skeleton.c"
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 <