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1 | /* O_*, F_*, FD_* bit values for Linux. |
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2 | Copyright (C) 2000-2022 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 | #include <bits/wordsize.h> |
24 | |
25 | #if __WORDSIZE == 64 |
26 | /* Not necessary, files are always with 64bit off_t. */ |
27 | # define __O_LARGEFILE 0 |
28 | #endif |
29 | |
30 | #if __WORDSIZE == 64 |
31 | /* Not necessary, we always have 64-bit offsets. */ |
32 | # define F_GETLK64 5 /* Get record locking info. */ |
33 | # define F_SETLK64 6 /* Set record locking info (non-blocking). */ |
34 | # define F_SETLKW64 7 /* Set record locking info (blocking). */ |
35 | #endif |
36 | |
37 | struct flock |
38 | { |
39 | short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ |
40 | short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ |
41 | #if __WORDSIZE == 64 || !defined __USE_FILE_OFFSET64 |
42 | __off_t l_start; /* Offset where the lock begins. */ |
43 | __off_t l_len; /* Size of the locked area; zero means until EOF. */ |
44 | #else |
45 | __off64_t l_start; /* Offset where the lock begins. */ |
46 | __off64_t l_len; /* Size of the locked area; zero means until EOF. */ |
47 | #endif |
48 | __pid_t l_pid; /* Process holding the lock. */ |
49 | }; |
50 | |
51 | #ifdef __USE_LARGEFILE64 |
52 | struct flock64 |
53 | { |
54 | short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ |
55 | short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ |
56 | __off64_t l_start; /* Offset where the lock begins. */ |
57 | __off64_t l_len; /* Size of the locked area; zero means until EOF. */ |
58 | __pid_t l_pid; /* Process holding the lock. */ |
59 | }; |
60 | #endif |
61 | |
62 | #if __WORDSIZE == 64 |
63 | # define __POSIX_FADV_DONTNEED 6 /* Don't need these pages. */ |
64 | # define __POSIX_FADV_NOREUSE 7 /* Data will be accessed once. */ |
65 | #else |
66 | # define __POSIX_FADV_DONTNEED 4 /* Don't need these pages. */ |
67 | # define __POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ |
68 | #endif |
69 | |
70 | /* Include generic Linux declarations. */ |
71 | #include <bits/fcntl-linux.h> |
72 |
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