1/* O_*, F_*, FD_* bit values for Linux/x86.
 2   Copyright (C) 2001-2025 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#ifdef __x86_64__
24# define __O_LARGEFILE	0
25#endif
26
27#ifdef __x86_64__
28/* Not necessary, we always have 64-bit offsets.  */
29# define F_GETLK64	5	/* Get record locking info.  */
30# define F_SETLK64	6	/* Set record locking info (non-blocking).  */
31# define F_SETLKW64	7	/* Set record locking info (blocking).	*/
32#endif
33
34
35struct flock
36  {
37    short int l_type;	/* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.	*/
38    short int l_whence;	/* Where `l_start' is relative to (like `lseek').  */
39#ifndef __USE_FILE_OFFSET64
40    __off_t l_start;	/* Offset where the lock begins.  */
41    __off_t l_len;	/* Size of the locked area; zero means until EOF.  */
42#else
43    __off64_t l_start;	/* Offset where the lock begins.  */
44    __off64_t l_len;	/* Size of the locked area; zero means until EOF.  */
45#endif
46    __pid_t l_pid;	/* Process holding the lock.  */
47  };
48
49#ifdef __USE_LARGEFILE64
50struct flock64
51  {
52    short int l_type;	/* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.	*/
53    short int l_whence;	/* Where `l_start' is relative to (like `lseek').  */
54    __off64_t l_start;	/* Offset where the lock begins.  */
55    __off64_t l_len;	/* Size of the locked area; zero means until EOF.  */
56    __pid_t l_pid;	/* Process holding the lock.  */
57  };
58#endif
59
60/* Include generic Linux declarations.  */
61#include <bits/fcntl-linux.h>