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1/* O_*, F_*, FD_* bit values for Linux.
2 Copyright (C) 1995-2022 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>
55

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source code of glibc/sysdeps/unix/sysv/linux/arm/bits/fcntl.h