diff options
Diffstat (limited to 'sysdeps/unix')
| -rw-r--r-- | sysdeps/unix/sysv/linux/bits/fcntl.h | 152 |
1 files changed, 2 insertions, 150 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/fcntl.h b/sysdeps/unix/sysv/linux/bits/fcntl.h index 16a9f64c17..be40350e82 100644 --- a/sysdeps/unix/sysv/linux/bits/fcntl.h +++ b/sysdeps/unix/sysv/linux/bits/fcntl.h @@ -1,151 +1,3 @@ -/* O_*, F_*, FD_* bit values for Linux. - Copyright (C) 1995-1998, 2000 Free Software Foundation, Inc. - This file is part of the GNU C Library. +/* bits/fcntl.h is architecture specific. */ +#error "This file must be supplied by every Linux architecture." - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#ifndef _FCNTL_H -# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead." -#endif - - -#include <sys/types.h> - -/* open/fcntl - O_SYNC is only implemented on blocks devices and on files - located on an ext2 file system */ -#define O_ACCMODE 0003 -#define O_RDONLY 00 -#define O_WRONLY 01 -#define O_RDWR 02 -#define O_CREAT 0100 /* not fcntl */ -#define O_EXCL 0200 /* not fcntl */ -#define O_NOCTTY 0400 /* not fcntl */ -#define O_TRUNC 01000 /* not fcntl */ -#define O_APPEND 02000 -#define O_NONBLOCK 04000 -#define O_NDELAY O_NONBLOCK -#define O_SYNC 010000 -#define O_FSYNC O_SYNC -#define O_ASYNC 020000 - -#ifdef __USE_GNU -# define O_DIRECTORY 040000 /* Must be a directory. */ -# define O_NOFOLLOW 0100000 /* Do not follow links. */ -#endif - -/* XXX missing */ -#ifdef __USE_LARGEFILE64 -# define O_LARGEFILE 0 -#endif - -/* For now Linux has synchronisity options for data and read operations. - We define the symbols here but let them do the same as O_SYNC since - this is a superset. */ -#if defined __USE_POSIX199309 || defined __USE_UNIX98 -# define O_DSYNC O_SYNC /* Synchronize data. */ -# define O_RSYNC O_SYNC /* Synchronize read operations. */ -#endif - -/* Values for the second argument to `fcntl'. */ -#define F_DUPFD 0 /* Duplicate file descriptor. */ -#define F_GETFD 1 /* Get file descriptor flags. */ -#define F_SETFD 2 /* Set file descriptor flags. */ -#define F_GETFL 3 /* Get file status flags. */ -#define F_SETFL 4 /* Set file status flags. */ -#define F_GETLK 5 /* Get record locking info. */ -#define F_SETLK 6 /* Set record locking info (non-blocking). */ -#define F_SETLKW 7 /* Set record locking info (blocking). */ - -/* XXX missing */ -#define F_GETLK64 5 /* Get record locking info. */ -#define F_SETLK64 6 /* Set record locking info (non-blocking). */ -#define F_SETLKW64 7 /* Set record locking info (blocking). */ - -#if defined __USE_BSD || defined __USE_XOPEN2K -# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */ -# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */ -#endif - -#ifdef __USE_GNU -# define F_SETSIG 10 /* Set number of signal to be sent. */ -# define F_GETSIG 11 /* Get number of signal to be sent. */ -#endif - -/* For F_[GET|SET]FL. */ -#define FD_CLOEXEC 1 /* actually anything with low bit set goes */ - -/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */ -#define F_RDLCK 0 /* Read lock. */ -#define F_WRLCK 1 /* Write lock. */ -#define F_UNLCK 2 /* Remove lock. */ - -/* for old implementation of bsd flock () */ -#define F_EXLCK 4 /* or 3 */ -#define F_SHLCK 8 /* or 4 */ - -#ifdef __USE_BSD -/* Operations for bsd flock(), also used by the kernel implementation */ -# define LOCK_SH 1 /* shared lock */ -# define LOCK_EX 2 /* exclusive lock */ -# define LOCK_NB 4 /* or'd with one of the above to prevent - blocking */ -# define LOCK_UN 8 /* remove lock */ -#endif - -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'). */ -#ifndef __USE_FILE_OFFSET64 - __off_t l_start; /* Offset where the lock begins. */ - __off_t l_len; /* Size of the locked area; zero means until EOF. */ -#else - __off64_t l_start; /* Offset where the lock begins. */ - __off64_t l_len; /* Size of the locked area; zero means until EOF. */ -#endif - __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 - -/* Define some more compatibility macros to be backward compatible with - BSD systems which did not managed to hide these kernel macros. */ -#ifdef __USE_BSD -# define FAPPEND O_APPEND -# define FFSYNC O_FSYNC -# define FASYNC O_ASYNC -# define FNONBLOCK O_NONBLOCK -# define FNDELAY O_NDELAY -#endif /* Use BSD. */ - -/* Advise to `posix_fadvise'. */ -#ifdef __USE_XOPEN2K -# define POSIX_FADV_NORMAL 0 /* No further special treatment. */ -# define POSIX_FADV_RANDOM 1 /* Expect random page references. */ -# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */ -# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */ -# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */ -# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ -#endif |