21 files changed, 672 insertions, 0 deletions
diff --git a/sysdeps/generic/bits/mqueue.h b/sysdeps/generic/bits/mqueue.h
new file mode 100644
index 0000000000..27bb4824b8
--- /dev/null
+++ b/sysdeps/generic/bits/mqueue.h
@@ -0,0 +1,31 @@
+/* Copyright (C) 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
+   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
+# error "Never use <bits/mqueue.h> directly; include <mqueue.h> instead."
+#endif
+
+typedef int mqd_t;
+
+struct mq_attr
+{
+  long int mq_flags;	/* Message queue flags.  */
+  long int mq_maxmsg;	/* Maximum number of messages.  */
+  long int mq_msgsize;	/* Maximum message size.  */
+  long int mq_curmsgs;	/* Number of messages currently queued.  */
+};
diff --git a/sysdeps/generic/mq_close.c b/sysdeps/generic/mq_close.c
new file mode 100644
index 0000000000..8237a6438e
--- /dev/null
+++ b/sysdeps/generic/mq_close.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 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
+   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 <mqueue.h>
+
+/* Removes the association between message queue descriptor MQDES and its
+   message queue.  */
+int
+mq_close (mqd_t mqdes)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (mq_close)
+#include <stub-tag.h>
diff --git a/sysdeps/generic/mq_getattr.c b/sysdeps/generic/mq_getattr.c
new file mode 100644
index 0000000000..2d24b85d47
--- /dev/null
+++ b/sysdeps/generic/mq_getattr.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 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
+   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 <mqueue.h>
+
+/* Query status and attributes of message queue MQDES.  */
+int
+mq_getattr (mqd_t mqdes, struct mq_attr *mqstat)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (mq_getattr)
+#include <stub-tag.h>
diff --git a/sysdeps/generic/mq_notify.c b/sysdeps/generic/mq_notify.c
new file mode 100644
index 0000000000..29de75a471
--- /dev/null
+++ b/sysdeps/generic/mq_notify.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 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
+   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 <mqueue.h>
+
+/* Register notification upon message arrival to an empty message queue
+   MQDES.  */
+int
+mq_notify (mqd_t mqdes, const struct sigevent *notification)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (mq_notify)
+#include <stub-tag.h>
diff --git a/sysdeps/generic/mq_open.c b/sysdeps/generic/mq_open.c
new file mode 100644
index 0000000000..dea5741d5a
--- /dev/null
+++ b/sysdeps/generic/mq_open.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 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
+   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 <mqueue.h>
+
+/* 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.  */
+mqd_t
+mq_open (const char *name, int oflag, ...)
+{
+  __set_errno (ENOSYS);
+  return (mqd_t) -1;
+}
+stub_warning (mq_open)
+#include <stub-tag.h>
diff --git a/sysdeps/generic/mq_receive.c b/sysdeps/generic/mq_receive.c
new file mode 100644
index 0000000000..527fd75963
--- /dev/null
+++ b/sysdeps/generic/mq_receive.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 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
+   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 <mqueue.h>
+
+/* Receive the oldest from highest priority messages in message queue
+   MQDES.  */
+ssize_t
+mq_receive (mqd_t mqdes, char *msg_ptr, size_t msg_len,
+	    unsigned int *msg_prio)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (mq_receive)
+#include <stub-tag.h>
diff --git a/sysdeps/generic/mq_send.c b/sysdeps/generic/mq_send.c
new file mode 100644
index 0000000000..8b7cd87f7f
--- /dev/null
+++ b/sysdeps/generic/mq_send.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 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
+   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 <mqueue.h>
+
+/* Add message pointed by MSG_PTR to message queue MQDES.  */
+int
+mq_send (mqd_t mqdes, const char *msg_ptr, size_t msg_len,
+	 unsigned int msg_prio)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (mq_send)
+#include <stub-tag.h>
diff --git a/sysdeps/generic/mq_setattr.c b/sysdeps/generic/mq_setattr.c
new file mode 100644
index 0000000000..57ee0759ab
--- /dev/null
+++ b/sysdeps/generic/mq_setattr.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 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
+   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 <mqueue.h>
+
+/* Set attributes associated with message queue MQDES and if OMQSTAT is
+   not NULL also query its old attributes.  */
+int
+mq_setattr (mqd_t mqdes, const struct mq_attr *__restrict mqstat,
+	    struct mq_attr *__restrict omqstat)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+hidden_def (mq_setattr)
+stub_warning (mq_setattr)
+#include <stub-tag.h>
diff --git a/sysdeps/generic/mq_timedreceive.c b/sysdeps/generic/mq_timedreceive.c
new file mode 100644
index 0000000000..e4723f812a
--- /dev/null
+++ b/sysdeps/generic/mq_timedreceive.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 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
+   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 <mqueue.h>
+
+/* Receive the oldest from highest priority messages in message queue
+   MQDES, stop waiting if ABS_TIMEOUT expires.  */
+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)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+hidden_def (mq_timedreceive)
+stub_warning (mq_timedreceive)
+#include <stub-tag.h>
diff --git a/sysdeps/generic/mq_timedsend.c b/sysdeps/generic/mq_timedsend.c
new file mode 100644
index 0000000000..5ccfe23b0a
--- /dev/null
+++ b/sysdeps/generic/mq_timedsend.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 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
+   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 <mqueue.h>
+
+/* Add message pointed by MSG_PTR to message queue MQDES, stop blocking
+   on full message queue if ABS_TIMEOUT expires.  */
+int
+mq_timedsend (mqd_t mqdes, const char *msg_ptr, size_t msg_len,
+	      unsigned int msg_prio, const struct timespec *abs_timeout)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+hidden_def (mq_timedsend)
+stub_warning (mq_timedsend)
+#include <stub-tag.h>
diff --git a/sysdeps/generic/mq_unlink.c b/sysdeps/generic/mq_unlink.c
new file mode 100644
index 0000000000..e947b84f3b
--- /dev/null
+++ b/sysdeps/generic/mq_unlink.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 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
+   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 <mqueue.h>
+
+/* Remove message queue named NAME.  */
+int
+mq_unlink (const char *name)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (mq_unlink)
+#include <stub-tag.h>
diff --git a/sysdeps/unix/sysv/linux/bits/local_lim.h b/sysdeps/unix/sysv/linux/bits/local_lim.h
index 169a5f1474..54a51ee766 100644
--- a/sysdeps/unix/sysv/linux/bits/local_lim.h
+++ b/sysdeps/unix/sysv/linux/bits/local_lim.h
@@ -63,3 +63,6 @@
 
 /* Maximum host name length.  */
 #define HOST_NAME_MAX		64
+
+/* Maximum message queue priority level.  */
+#define MQ_PRIO_MAX		32768
diff --git a/sysdeps/unix/sysv/linux/bits/mqueue.h b/sysdeps/unix/sysv/linux/bits/mqueue.h
new file mode 100644
index 0000000000..df528f876a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/mqueue.h
@@ -0,0 +1,32 @@
+/* Copyright (C) 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
+   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
+# error "Never use <bits/mqueue.h> directly; include <mqueue.h> instead."
+#endif
+
+typedef int mqd_t;
+
+struct mq_attr
+{
+  long int mq_flags;	/* Message queue flags.  */
+  long int mq_maxmsg;	/* Maximum number of messages.  */
+  long int mq_msgsize;	/* Maximum message size.  */
+  long int mq_curmsgs;	/* Number of messages currently queued.  */
+  long int __pad[4];
+};
diff --git a/sysdeps/unix/sysv/linux/mq_close.c b/sysdeps/unix/sysv/linux/mq_close.c
new file mode 100644
index 0000000000..65522d5adc
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mq_close.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 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
+   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 <mqueue.h>
+#include <sysdep.h>
+
+#ifdef __NR_mq_open
+
+/* Removes the association between message queue descriptor MQDES and its
+   message queue.  */
+int
+mq_close (mqd_t mqdes)
+{
+  return INLINE_SYSCALL (close, 1, mqdes);
+}
+
+#else
+# include <sysdeps/generic/mq_close.c>
+#endif
diff --git a/sysdeps/unix/sysv/linux/mq_getattr.c b/sysdeps/unix/sysv/linux/mq_getattr.c
new file mode 100644
index 0000000000..94c1df57a3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mq_getattr.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 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
+   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 <mqueue.h>
+#include <sysdep.h>
+
+#ifdef __NR_mq_getsetattr
+
+/* Query status and attributes of message queue MQDES.  */
+int
+mq_getattr (mqd_t mqdes, struct mq_attr *mqstat)
+{
+  return mq_setattr (mqdes, NULL, mqstat);
+}
+
+#else
+# include <sysdeps/generic/mq_getattr.c>
+#endif
diff --git a/sysdeps/unix/sysv/linux/mq_notify.c b/sysdeps/unix/sysv/linux/mq_notify.c
new file mode 100644
index 0000000000..6ebe8efe5a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mq_notify.c
@@ -0,0 +1,43 @@
+/* Copyright (C) 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
+   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 <mqueue.h>
+#include <sysdep.h>
+
+#ifdef __NR_mq_notify
+
+/* Register notification upon message arrival to an empty message queue
+   MQDES.  */
+int
+mq_notify (mqd_t mqdes, const struct sigevent *notification)
+{
+  /* mq_notify which handles SIGEV_THREAD is included in the thread
+     add-on.  */
+  if (notification != NULL
+      && notification->sigev_notify == SIGEV_THREAD)
+    {
+      __set_errno (ENOSYS);
+      return -1;
+    }
+  return INLINE_SYSCALL (mq_notify, 2, mqdes, notification);
+}
+
+#else
+# include <sysdeps/generic/mq_notify.c>
+#endif
diff --git a/sysdeps/unix/sysv/linux/mq_open.c b/sysdeps/unix/sysv/linux/mq_open.c
new file mode 100644
index 0000000000..ce5f5e9959
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mq_open.c
@@ -0,0 +1,59 @@
+/* Copyright (C) 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
+   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 <mqueue.h>
+#include <stdarg.h>
+#include <sysdep.h>
+
+#ifdef __NR_mq_open
+
+/* 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.  */
+mqd_t
+mq_open (const char *name, int oflag, ...)
+{
+  if (name[0] != '/')
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  mode_t mode = 0;
+  struct mq_attr *attr = NULL;
+  if (oflag & O_CREAT)
+    {
+      va_list ap;
+
+      va_start (ap, oflag);
+      mode = va_arg (ap, mode_t);
+      attr = va_arg (ap, struct mq_attr *);
+      va_end (ap);
+    }
+
+  return INLINE_SYSCALL (mq_open, 4, name + 1, oflag, mode, attr);
+}
+
+#else
+# include <sysdeps/generic/mq_open.c>
+#endif
diff --git a/sysdeps/unix/sysv/linux/mq_receive.c b/sysdeps/unix/sysv/linux/mq_receive.c
new file mode 100644
index 0000000000..b24ba4b688
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mq_receive.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 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
+   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 <mqueue.h>
+#include <sysdep.h>
+
+#ifdef __NR_mq_timedreceive
+
+/* Receive the oldest from highest priority messages in message queue
+   MQDES.  */
+ssize_t
+mq_receive (mqd_t mqdes, char *msg_ptr, size_t msg_len,
+	    unsigned int *msg_prio)
+{
+  return mq_timedreceive (mqdes, msg_ptr, msg_len, msg_prio, NULL);
+}
+
+#else
+# include <sysdeps/generic/mq_receive.c>
+#endif
diff --git a/sysdeps/unix/sysv/linux/mq_send.c b/sysdeps/unix/sysv/linux/mq_send.c
new file mode 100644
index 0000000000..06d367b566
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mq_send.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 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
+   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 <mqueue.h>
+#include <sysdep.h>
+
+#ifdef __NR_mq_timedsend
+
+/* Add message pointed by MSG_PTR to message queue MQDES.  */
+int
+mq_send (mqd_t mqdes, const char *msg_ptr, size_t msg_len,
+	 unsigned int msg_prio)
+{
+  return mq_timedsend (mqdes, msg_ptr, msg_len, msg_prio, NULL);
+}
+
+#else
+# include <sysdeps/generic/mq_send.c>
+#endif
diff --git a/sysdeps/unix/sysv/linux/mq_unlink.c b/sysdeps/unix/sysv/linux/mq_unlink.c
new file mode 100644
index 0000000000..8da70ea42b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mq_unlink.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 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
+   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 <mqueue.h>
+#include <sysdep.h>
+
+#ifdef __NR_mq_unlink
+
+/* Remove message queue named NAME.  */
+int
+mq_unlink (const char *name)
+{
+  if (name[0] != '/')
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+  return INLINE_SYSCALL (mq_unlink, 1, name + 1);
+}
+
+#else
+# include <sysdeps/generic/mq_unlink.c>
+#endif
diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list
index 9ec085da40..860094be50 100644
--- a/sysdeps/unix/sysv/linux/syscalls.list
+++ b/sysdeps/unix/sysv/linux/syscalls.list
@@ -86,3 +86,7 @@ flistxattr	-	flistxattr	i:isi	flistxattr
 removexattr	-	removexattr	i:ss	removexattr
 lremovexattr	-	lremovexattr	i:ss	lremovexattr
 fremovexattr	-	fremovexattr	i:is	fremovexattr
+
+mq_timedsend	-	mq_timedsend	Ci:ipiip	__GI_mq_timedsend	mq_timedsend
+mq_timedreceive	-	mq_timedreceive	Ci:ipipp	__GI_mq_timedreceive	mq_timedreceive
+mq_setattr	-	mq_getsetattr	i:ipp	__GI_mq_setattr	mq_setattr