1 files changed, 59 insertions, 0 deletions
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