1/* O_*, F_*, FD_* bit values for Linux.
 2   Copyright (C) 2000-2025 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   <https://www.gnu.org/licenses/>.  */
18
19#ifndef	_FCNTL_H
20# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
21#endif
22
23#define __O_DIRECTORY	 040000	/* Must be a directory.	 */
24#define __O_NOFOLLOW	0100000	/* Do not follow links.	 */
25#define __O_DIRECT	0200000	/* Direct disk access.	*/
26#define __O_LARGEFILE	0400000
27
28struct flock
29  {
30    short int l_type;	/* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.	*/
31    short int l_whence;	/* Where `l_start' is relative to (like `lseek').  */
32#ifndef __USE_FILE_OFFSET64
33    __off_t l_start;	/* Offset where the lock begins.  */
34    __off_t l_len;	/* Size of the locked area; zero means until EOF.  */
35#else
36    __off64_t l_start;	/* Offset where the lock begins.  */
37    __off64_t l_len;	/* Size of the locked area; zero means until EOF.  */
38#endif
39    __pid_t l_pid;	/* Process holding the lock.  */
40  };
41
42#ifdef __USE_LARGEFILE64
43struct flock64
44  {
45    short int l_type;	/* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.	*/
46    short int l_whence;	/* Where `l_start' is relative to (like `lseek').  */
47    __off64_t l_start;	/* Offset where the lock begins.  */
48    __off64_t l_len;	/* Size of the locked area; zero means until EOF.  */
49    __pid_t l_pid;	/* Process holding the lock.  */
50  };
51#endif
52
53/* Include generic Linux declarations.  */
54#include <bits/fcntl-linux.h>