1 /* O_*, F_*, FD_* bit values for Linux.
2 Copyright (C) 1995-2014 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
20 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
23 #define O_CREAT 00000100 /* not fcntl. */
24 #define O_TRUNC 00001000 /* not fcntl. */
25 #define O_EXCL 00000200 /* not fcntl. */
26 #define O_NOCTTY 00000400 /* not fcntl. */
28 #define O_NONBLOCK 00004000
29 #define O_APPEND 00002000
30 #define O_SYNC 04000000
32 #define __O_DIRECTORY 00200000 /* Must be a directory. */
33 #define __O_NOFOLLOW 00400000 /* Do not follow links. */
34 #define __O_CLOEXEC 02000000 /* Set close_on_exec. */
36 #define __O_DIRECT 00040000 /* Direct disk access. */
37 #define __O_NOATIME 01000000 /* Do not set atime. */
38 #define __O_PATH 010000000 /* Resolve pathname but do not open file. */
40 /* Not necessary, files are always with 64bit off_t. */
41 #define __O_LARGEFILE 00100000
43 #define __O_DSYNC 00010000 /* Synchronize data. */
45 #define F_GETLK 5 /* Get record locking info. */
46 #define F_SETLK 6 /* Set record locking info (non-blocking). */
47 #define F_SETLKW 7 /* Set record locking info (blocking). */
48 #define F_GETLK64 12 /* Get record locking info. */
49 #define F_SETLK64 13 /* Set record locking info (non-blocking). */
50 #define F_SETLKW64 14 /* Set record locking info (blocking). */
52 #define __F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */
53 #define __F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */
55 /* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
56 #define F_RDLCK 0 /* Read lock. */
57 #define F_WRLCK 1 /* Write lock. */
58 #define F_UNLCK 2 /* Remove lock. */
60 /* for old implementation of bsd flock (). */
61 #define F_EXLCK 4 /* or 3. */
62 #define F_SHLCK 8 /* or 4. */
64 /* We don't need to support __USE_FILE_OFFSET64. */
67 short int l_type
; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
68 short int l_whence
; /* Where `l_start' is relative to (like `lseek'). */
69 __off_t l_start
; /* Offset where the lock begins. */
70 __off_t l_len
; /* Size of the locked area; zero means until EOF. */
71 __pid_t l_pid
; /* Process holding the lock. */
74 #ifdef __USE_LARGEFILE64
77 short int l_type
; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
78 short int l_whence
; /* Where `l_start' is relative to (like `lseek'). */
79 __off64_t l_start
; /* Offset where the lock begins. */
80 __off64_t l_len
; /* Size of the locked area; zero means until EOF. */
81 __pid_t l_pid
; /* Process holding the lock. */
85 /* Include generic Linux declarations. */
86 #include <bits/fcntl-linux.h>