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182 lines
6.5 KiB
C
182 lines
6.5 KiB
C
/* O_*, F_*, FD_* bit values for Linux/HPPA.
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Copyright (C) 1995,1996,1997,1998,1999,2000,2002,2004
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _FCNTL_H
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# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
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#endif
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#include <sys/types.h>
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/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
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located on an ext2 file system */
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#define O_RDONLY 00000000
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#define O_WRONLY 00000001
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#define O_RDWR 00000002
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#define O_ACCMODE 00000003
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#define O_APPEND 00000010
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#define O_BLKSEEK 00000100 /* HPUX only */
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#define O_CREAT 00000400 /* not fcntl */
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#define O_TRUNC 00001000 /* not fcntl */
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#define O_EXCL 00002000 /* not fcntl */
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#define O_ASYNC 00020000
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#define O_SYNC 00100000
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#define O_NONBLOCK 00200004 /* HPUX has separate NDELAY & NONBLOCK */
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#define O_NDELAY O_NONBLOCK
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#define O_NOCTTY 00400000 /* not fcntl */
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#ifdef __USE_GNU
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# define O_DIRECT 00040000 /* direct disk access hint - currently ignored */
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# define O_DIRECTORY 00010000 /* must be a directory */
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# define O_NOFOLLOW 00000200 /* don't follow links */
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# define O_NOATIME 04000000 /* Do not set atime. */
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#endif
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#ifdef __USE_LARGEFILE64
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# define O_LARGEFILE 00004000
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#endif
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#if defined __USE_POSIX199309 || defined __USE_UNIX98
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# define O_DSYNC 01000000 /* HPUX only */
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# define O_RSYNC 02000000 /* HPUX only */
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#endif
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/* Values for the second argument to `fcntl'. */
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#define F_DUPFD 0 /* Duplicate file descriptor. */
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#define F_GETFD 1 /* Get file descriptor flags. */
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#define F_SETFD 2 /* Set file descriptor flags. */
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#define F_GETFL 3 /* Get file status flags. */
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#define F_SETFL 4 /* Set file status flags. */
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#ifndef __USE_FILE_OFFSET64
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# define F_GETLK 5 /* Get record locking info. */
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# define F_SETLK 6 /* Set record locking info (non-blocking). */
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# define F_SETLKW 7 /* Set record locking info (blocking). */
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#else
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# define F_GETLK F_GETLK64 /* Get record locking info. */
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# define F_SETLK F_SETLK64 /* Set record locking info (non-blocking). */
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# define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */
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#endif
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#define F_GETLK64 8 /* Get record locking info. */
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#define F_SETLK64 9 /* Set record locking info (non-blocking). */
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#define F_SETLKW64 10 /* Set record locking info (blocking). */
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#if defined __USE_BSD || defined __USE_UNIX98
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# define F_GETOWN 11 /* Get owner of socket (receiver of SIGIO). */
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# define F_SETOWN 12 /* Set owner of socket (receiver of SIGIO). */
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#endif
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#ifdef __USE_GNU
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# define F_SETSIG 13 /* Set number of signal to be sent. */
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# define F_GETSIG 14 /* Get number of signal to be sent. */
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#endif
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#ifdef __USE_GNU
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# define F_SETLEASE 1024 /* Set a lease. */
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# define F_GETLEASE 1025 /* Enquire what lease is active. */
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# define F_NOTIFY 1026 /* Request notfications on a directory. */
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#endif
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/* for F_[GET|SET]FL */
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#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
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/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
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#define F_RDLCK 1 /* Read lock. */
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#define F_WRLCK 2 /* Write lock. */
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#define F_UNLCK 3 /* Remove lock. */
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/* for old implementation of bsd flock () */
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#define F_EXLCK 4 /* or 3 */
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#define F_SHLCK 8 /* or 4 */
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#ifdef __USE_BSD
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/* operations for bsd flock(), also used by the kernel implementation */
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# define LOCK_SH 1 /* shared lock */
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# define LOCK_EX 2 /* exclusive lock */
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# define LOCK_NB 4 /* or'd with one of the above to prevent
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blocking */
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# define LOCK_UN 8 /* remove lock */
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#endif
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#ifdef __USE_GNU
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/* Types of directory notifications that may be requested with F_NOTIFY. */
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# define DN_ACCESS 0x00000001 /* File accessed. */
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# define DN_MODIFY 0x00000002 /* File modified. */
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# define DN_CREATE 0x00000004 /* File created. */
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# define DN_DELETE 0x00000008 /* File removed. */
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# define DN_RENAME 0x00000010 /* File renamed. */
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# define DN_ATTRIB 0x00000020 /* File changed attibutes. */
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# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */
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#endif
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struct flock
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{
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short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
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short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
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#ifndef __USE_FILE_OFFSET64
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__off_t l_start; /* Offset where the lock begins. */
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__off_t l_len; /* Size of the locked area; zero means until EOF. */
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#else
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__off64_t l_start; /* Offset where the lock begins. */
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__off64_t l_len; /* Size of the locked area; zero means until EOF. */
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#endif
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__pid_t l_pid; /* Process holding the lock. */
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};
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#ifdef __USE_LARGEFILE64
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struct flock64
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{
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short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
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short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
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__off64_t l_start; /* Offset where the lock begins. */
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__off64_t l_len; /* Size of the locked area; zero means until EOF. */
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__pid_t l_pid; /* Process holding the lock. */
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};
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#endif
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/* Define some more compatibility macros to be backward compatible with
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BSD systems which did not managed to hide these kernel macros. */
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#ifdef __USE_BSD
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# define FAPPEND O_APPEND
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# define FFSYNC O_FSYNC
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# define FASYNC O_ASYNC
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# define FNONBLOCK O_NONBLOCK
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# define FNDELAY O_NDELAY
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#endif /* Use BSD. */
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/* Advise to `posix_fadvise'. */
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#ifdef __USE_XOPEN2K
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# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
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# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
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# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
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# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
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# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
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# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
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#endif
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__BEGIN_DECLS
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/* Provide kernel hint to read ahead. */
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extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
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__THROW;
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__END_DECLS
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