1 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/open_by_handle_at.c b/sysdeps/unix/sysv/linux/open_by_handle_at.c
new file mode 100644
index 0000000000..906d60e770
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/open_by_handle_at.c
@@ -0,0 +1,37 @@
+/* Obtain handle for an open file via a handle.  Linux implementation.
+   Copyright (C) 2017-2018 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sysdep-cancel.h>
+
+int
+open_by_handle_at (int mount_fd, struct file_handle *handle, int flags)
+{
+#ifdef __NR_open_by_handle_at
+  return SYSCALL_CANCEL (open_by_handle_at, mount_fd, handle, flags);
+#else
+  __set_errno (ENOSYS);
+  return -1;
+#endif
+}
+
+#ifndef __NR_open_by_handle_at
+stub_warning (open_by_handle_at)
+#endif