1 /* O_*, F_*, FD_* bit values for Linux.
2    Copyright (C) 1995-2021 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_CREAT		00000400 /* not fcntl */
24 #define O_EXCL		00002000 /* not fcntl */
25 #define O_NOCTTY	00400000 /* not fcntl */
26 #define O_APPEND	00000010
27 #define O_NONBLOCK	00200000
28 #define __O_DSYNC	01000000
29 #define __O_SYNC	00100000
30 #define O_SYNC		(__O_SYNC|__O_DSYNC)
31 
32 #define __O_DIRECTORY	000010000 /* Must be a directory.  */
33 #define __O_NOFOLLOW	000000200 /* Do not follow links.  */
34 #define __O_CLOEXEC	010000000 /* Set close_on_exec.  */
35 #define __O_NOATIME	004000000 /* Do not set atime.  */
36 #define __O_PATH        020000000
37 #define __O_TMPFILE     040010000 /* Atomically create nameless file. */
38 
39 #define __O_LARGEFILE	00004000
40 
41 #define F_GETLK64	8	/* Get record locking info.  */
42 #define F_SETLK64	9	/* Set record locking info (non-blocking).  */
43 #define F_SETLKW64	10	/* Set record locking info (blocking).  */
44 
45 #define __F_GETOWN	11	/* Get owner of socket (receiver of SIGIO).  */
46 #define __F_SETOWN	12	/* Set owner of socket (receiver of SIGIO).  */
47 
48 #define __F_SETSIG	13	/* Set number of signal to be sent.  */
49 #define __F_GETSIG	14	/* Get number of signal to be sent.  */
50 
51 /* For posix fcntl() and `l_type' field of a `struct flock' for lockf().  */
52 #define F_RDLCK		1	/* Read lock.  */
53 #define F_WRLCK		2	/* Write lock.  */
54 #define F_UNLCK		3	/* Remove lock.  */
55 
56 struct flock
57   {
58     short int l_type;	/* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.	*/
59     short int l_whence;	/* Where `l_start' is relative to (like `lseek').  */
60 #ifndef __USE_FILE_OFFSET64
61     __off_t l_start;	/* Offset where the lock begins.  */
62     __off_t l_len;	/* Size of the locked area; zero means until EOF.  */
63 #else
64     __off64_t l_start;	/* Offset where the lock begins.  */
65     __off64_t l_len;	/* Size of the locked area; zero means until EOF.  */
66 #endif
67     __pid_t l_pid;	/* Process holding the lock.  */
68   };
69 
70 #ifdef __USE_LARGEFILE64
71 struct flock64
72   {
73     short int l_type;	/* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK.	*/
74     short int l_whence;	/* Where `l_start' is relative to (like `lseek').  */
75     __off64_t l_start;	/* Offset where the lock begins.  */
76     __off64_t l_len;	/* Size of the locked area; zero means until EOF.  */
77     __pid_t l_pid;	/* Process holding the lock.  */
78   };
79 #endif
80 
81 /* Include generic Linux declarations.  */
82 #include <bits/fcntl-linux.h>
83