| 1 | /* O_*, F_*, FD_* bit values for Linux. |
| 2 | Copyright (C) 2000-2026 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 | /* Not necessary, files are always with 64bit off_t. */ |
| 26 | #define __O_LARGEFILE 0 |
| 27 | |
| 28 | /* Not necessary, we always have 64-bit offsets. */ |
| 29 | #define F_GETLK64 5 /* Get record locking info. */ |
| 30 | #define F_SETLK64 6 /* Set record locking info (non-blocking). */ |
| 31 | #define F_SETLKW64 7 /* Set record locking info (blocking). */ |
| 32 | |
| 33 | struct flock |
| 34 | { |
| 35 | short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ |
| 36 | short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ |
| 37 | __off_t l_start; /* Offset where the lock begins. */ |
| 38 | __off_t l_len; /* Size of the locked area; zero means until EOF. */ |
| 39 | __pid_t l_pid; /* Process holding the lock. */ |
| 40 | }; |
| 41 | |
| 42 | #ifdef __USE_LARGEFILE64 |
| 43 | struct 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 | #define __POSIX_FADV_DONTNEED 6 /* Don't need these pages. */ |
| 54 | #define __POSIX_FADV_NOREUSE 7 /* Data will be accessed once. */ |
| 55 | |
| 56 | /* Include generic Linux declarations. */ |
| 57 | #include <bits/fcntl-linux.h> |