1/* Obtain handle for an open file via a handle. Linux implementation.
2 Copyright (C) 2017-2018 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <fcntl.h>
20#include <sys/types.h>
21#include <sys/stat.h>
22#include <sysdep-cancel.h>
23
24int
25open_by_handle_at (int mount_fd, struct file_handle *handle, int flags)
26{
27#ifdef __NR_open_by_handle_at
28 return SYSCALL_CANCEL (open_by_handle_at, mount_fd, handle, flags);
29#else
30 __set_errno (ENOSYS);
31 return -1;
32#endif
33}
34
35#ifndef __NR_open_by_handle_at
36stub_warning (open_by_handle_at)
37#endif
38