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/* O_*, F_*, FD_* bit values for Linux.
Copyright (C) 1995-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<https://www.gnu.org/licenses/>. */
#ifndef _FCNTL_H
# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
#endif
#define O_CREAT 01000 /* not fcntl */
#define O_TRUNC 02000 /* not fcntl */
#define O_EXCL 04000 /* not fcntl */
#define O_NOCTTY 010000 /* not fcntl */
#define O_NONBLOCK 00004
#define O_APPEND 00010
#define O_SYNC 020040000
#define __O_DIRECTORY 0100000 /* Must be a directory. */
#define __O_NOFOLLOW 0200000 /* Do not follow links. */
#define __O_CLOEXEC 010000000 /* Set close_on_exec. */
#define __O_DIRECT 02000000 /* Direct disk access. */
#define __O_NOATIME 04000000 /* Do not set atime. */
#define __O_PATH 040000000 /* Resolve pathname but do not open file. */
#define __O_TMPFILE 0100100000 /* Atomically create nameless file. */
/* Not necessary, files are always with 64bit off_t. */
#define __O_LARGEFILE 0
#define __O_DSYNC 040000 /* Synchronize data. */
#define F_GETLK 7 /* Get record locking info. */
#define F_SETLK 8 /* Set record locking info (non-blocking). */
#define F_SETLKW 9 /* Set record locking info (blocking). */
#define F_GETLK64 F_GETLK /* Get record locking info. */
#define F_SETLK64 F_SETLK /* Set record locking info (non-blocking). */
#define F_SETLKW64 F_SETLKW /* Set record locking info (blocking). */
#define __F_SETOWN 5 /* Get owner of socket (receiver of SIGIO). */
#define __F_GETOWN 6 /* Set owner of socket (receiver of SIGIO). */
/* For posix fcntl() and `l_type' field of a `struct flock' for lockf() */
#define F_RDLCK 1 /* Read lock. */
#define F_WRLCK 2 /* Write lock. */
#define F_UNLCK 8 /* Remove lock. */
/* for old implementation of bsd flock () */
#define F_EXLCK 16 /* or 3 */
#define F_SHLCK 32 /* or 4 */
/* We don't need to support __USE_FILE_OFFSET64. */
struct flock
{
short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
__off_t l_start; /* Offset where the lock begins. */
__off_t l_len; /* Size of the locked area; zero means until EOF. */
__pid_t l_pid; /* Process holding the lock. */
};
#ifdef __USE_LARGEFILE64
struct flock64
{
short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
__off64_t l_start; /* Offset where the lock begins. */
__off64_t l_len; /* Size of the locked area; zero means until EOF. */
__pid_t l_pid; /* Process holding the lock. */
};
#endif
/* Include generic Linux declarations. */
#include <bits/fcntl-linux.h>
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