| 1 | /* O_*, F_*, FD_* bit values for Linux/x86. |
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| 2 | Copyright (C) 2001-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #ifndef _FCNTL_H |
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| 20 | # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead." |
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| 21 | #endif |
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| 22 | |
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| 23 | #ifdef __x86_64__ |
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| 24 | # define __O_LARGEFILE 0 |
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| 25 | #endif |
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| 26 | |
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| 27 | #ifdef __x86_64__ |
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| 28 | /* Not necessary, we always have 64-bit offsets. */ |
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| 29 | # define F_GETLK64 5 /* Get record locking info. */ |
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| 30 | # define F_SETLK64 6 /* Set record locking info (non-blocking). */ |
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| 31 | # define F_SETLKW64 7 /* Set record locking info (blocking). */ |
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| 32 | #endif |
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| 33 | |
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| 34 | |
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| 35 | struct flock |
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| 36 | { |
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| 37 | short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ |
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| 38 | short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ |
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| 39 | #ifndef __USE_FILE_OFFSET64 |
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| 40 | __off_t l_start; /* Offset where the lock begins. */ |
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| 41 | __off_t l_len; /* Size of the locked area; zero means until EOF. */ |
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| 42 | #else |
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| 43 | __off64_t l_start; /* Offset where the lock begins. */ |
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| 44 | __off64_t l_len; /* Size of the locked area; zero means until EOF. */ |
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| 45 | #endif |
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| 46 | __pid_t l_pid; /* Process holding the lock. */ |
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| 47 | }; |
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| 48 | |
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| 49 | #ifdef __USE_LARGEFILE64 |
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| 50 | struct flock64 |
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| 51 | { |
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| 52 | short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ |
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| 53 | short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ |
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| 54 | __off64_t l_start; /* Offset where the lock begins. */ |
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| 55 | __off64_t l_len; /* Size of the locked area; zero means until EOF. */ |
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| 56 | __pid_t l_pid; /* Process holding the lock. */ |
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| 57 | }; |
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| 58 | #endif |
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| 59 | |
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| 60 | /* Include generic Linux declarations. */ |
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| 61 | #include <bits/fcntl-linux.h> |
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| 62 | |
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