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1 | /* O_*, F_*, FD_* bit values for Linux. |
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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_CREAT 01000 /* not fcntl */ |
24 | #define O_TRUNC 02000 /* not fcntl */ |
25 | #define O_EXCL 04000 /* not fcntl */ |
26 | #define O_NOCTTY 010000 /* not fcntl */ |
27 | |
28 | #define O_NONBLOCK 00004 |
29 | #define O_APPEND 00010 |
30 | #define O_SYNC 020040000 |
31 | |
32 | #define __O_DIRECTORY 0100000 /* Must be a directory. */ |
33 | #define __O_NOFOLLOW 0200000 /* Do not follow links. */ |
34 | #define __O_CLOEXEC 010000000 /* Set close_on_exec. */ |
35 | |
36 | #define __O_DIRECT 02000000 /* Direct disk access. */ |
37 | #define __O_NOATIME 04000000 /* Do not set atime. */ |
38 | #define __O_PATH 040000000 /* Resolve pathname but do not open file. */ |
39 | #define __O_TMPFILE 0100100000 /* Atomically create nameless file. */ |
40 | |
41 | /* Not necessary, files are always with 64bit off_t. */ |
42 | #define __O_LARGEFILE 0 |
43 | |
44 | #define __O_DSYNC 040000 /* Synchronize data. */ |
45 | |
46 | #define F_GETLK 7 /* Get record locking info. */ |
47 | #define F_SETLK 8 /* Set record locking info (non-blocking). */ |
48 | #define F_SETLKW 9 /* Set record locking info (blocking). */ |
49 | #define F_GETLK64 F_GETLK /* Get record locking info. */ |
50 | #define F_SETLK64 F_SETLK /* Set record locking info (non-blocking). */ |
51 | #define F_SETLKW64 F_SETLKW /* Set record locking info (blocking). */ |
52 | |
53 | #define __F_SETOWN 5 /* Get owner of socket (receiver of SIGIO). */ |
54 | #define __F_GETOWN 6 /* Set owner of socket (receiver of SIGIO). */ |
55 | |
56 | /* For posix fcntl() and `l_type' field of a `struct flock' for lockf() */ |
57 | #define F_RDLCK 1 /* Read lock. */ |
58 | #define F_WRLCK 2 /* Write lock. */ |
59 | #define F_UNLCK 8 /* Remove lock. */ |
60 | |
61 | /* for old implementation of bsd flock () */ |
62 | #define F_EXLCK 16 /* or 3 */ |
63 | #define F_SHLCK 32 /* or 4 */ |
64 | |
65 | /* We don't need to support __USE_FILE_OFFSET64. */ |
66 | struct flock |
67 | { |
68 | short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ |
69 | short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ |
70 | __off_t l_start; /* Offset where the lock begins. */ |
71 | __off_t l_len; /* Size of the locked area; zero means until EOF. */ |
72 | __pid_t l_pid; /* Process holding the lock. */ |
73 | }; |
74 | |
75 | #ifdef __USE_LARGEFILE64 |
76 | struct flock64 |
77 | { |
78 | short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ |
79 | short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ |
80 | __off64_t l_start; /* Offset where the lock begins. */ |
81 | __off64_t l_len; /* Size of the locked area; zero means until EOF. */ |
82 | __pid_t l_pid; /* Process holding the lock. */ |
83 | }; |
84 | #endif |
85 | |
86 | /* Include generic Linux declarations. */ |
87 | #include <bits/fcntl-linux.h> |
88 |
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