http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/bits/fcntl.h

/* O_*, F_*, FD_* bit values for Linux/x86-64. Copyright (C) 2001, 2002, 2004 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, 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> #include <bits/wordsize.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_DIRECT 040000 /* Direct disk access. */ # define O_DIRECTORY 0200000 /* Must be a directory. */ # define O_NOFOLLOW 0400000 /* Do not follow links. */ # define O_NOATIME 01000000 /* Do not set atime. */ #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 #ifdef __USE_LARGEFILE64 # if __WORDSIZE == 64 # define O_LARGEFILE 0 # else # define O_LARGEFILE 0100000 # endif #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. */ #if __WORDSIZE == 64 # 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). */ /* Not necessary, we always have 64-bit offsets. */ # 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). */ #else # ifndef __USE_FILE_OFFSET64 # 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). */ # else # define F_GETLK F_GETLK64 /* Get record locking info. */ # define F_SETLK F_SETLK64 /* Set record locking info (non-blocking).*/ # define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */ # endif # define F_GETLK64 12 /* Get record locking info. */ # define F_SETLK64 13 /* Set record locking info (non-blocking). */ # define F_SETLKW64 14 /* Set record locking info (blocking). */ #endif #if defined __USE_BSD || defined __USE_UNIX98 # 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 #ifdef __USE_GNU # define F_SETLEASE 1024 /* Set a lease. */ # define F_GETLEASE 1025 /* Enquire what lease is active. */ # define F_NOTIFY 1026 /* Request notfications on a directory. */ #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 #ifdef __USE_GNU # define LOCK_MAND 32 /* This is a mandatory flock: */ # define LOCK_READ 64 /* ... which allows concurrent read operations. */ # define LOCK_WRITE 128 /* ... which allows concurrent write operations. */ # define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */ #endif #ifdef __USE_GNU /* Types of directory notifications that may be requested with F_NOTIFY. */ # define DN_ACCESS 0x00000001 /* File accessed. */ # define DN_MODIFY 0x00000002 /* File modified. */ # define DN_CREATE 0x00000004 /* File created. */ # define DN_DELETE 0x00000008 /* File removed. */ # define DN_RENAME 0x00000010 /* File renamed. */ # define DN_ATTRIB 0x00000020 /* File changed attibutes. */ # define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */ #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 __BEGIN_DECLS /* Provide kernel hint to read ahead. */ extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count) __THROW; __END_DECLS