- /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1995, 1996, 1997, 1998 by Ralf Baechle
- */
- #ifndef __ASM_FCNTL_H
- #define __ASM_FCNTL_H
- /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
- located on an ext2 file system */
- #define O_ACCMODE 0x0003
- #define O_RDONLY 0x0000
- #define O_WRONLY 0x0001
- #define O_RDWR 0x0002
- #define O_APPEND 0x0008
- #define O_SYNC 0x0010
- #define O_NONBLOCK 0x0080
- #define O_CREAT 0x0100 /* not fcntl */
- #define O_TRUNC 0x0200 /* not fcntl */
- #define O_EXCL 0x0400 /* not fcntl */
- #define O_NOCTTY 0x0800 /* not fcntl */
- #define FASYNC 0x1000 /* fcntl, for BSD compatibility */
- #define O_LARGEFILE 0x2000 /* allow large file opens */
- #define O_DIRECT 0x8000 /* direct disk access hint */
- #define O_DIRECTORY 0x10000 /* must be a directory */
- #define O_NOFOLLOW 0x20000 /* don't follow links */
- #define O_NDELAY O_NONBLOCK
- #define F_DUPFD 0 /* dup */
- #define F_GETFD 1 /* get close_on_exec */
- #define F_SETFD 2 /* set/clear close_on_exec */
- #define F_GETFL 3 /* get file->f_flags */
- #define F_SETFL 4 /* set file->f_flags */
- #define F_GETLK 14
- #define F_SETLK 6
- #define F_SETLKW 7
- #define F_SETOWN 24 /* for sockets. */
- #define F_GETOWN 23 /* for sockets. */
- #define F_SETSIG 10 /* for sockets. */
- #define F_GETSIG 11 /* for sockets. */
- #define F_GETLK64 33 /* using 'struct flock64' */
- #define F_SETLK64 34
- #define F_SETLKW64 35
- /* for F_[GET|SET]FL */
- #define FD_CLOEXEC 1 /* actually anything with low bit set goes */
- /* for posix fcntl() and lockf() */
- #define F_RDLCK 0
- #define F_WRLCK 1
- #define F_UNLCK 2
- /* for old implementation of bsd flock () */
- #define F_EXLCK 4 /* or 3 */
- #define F_SHLCK 8 /* or 4 */
- /* for leases */
- #define F_INPROGRESS 16
- /* 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 */
- #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 ops */
- /*
- * The flavours of struct flock. "struct flock" is the ABI compliant
- * variant. Finally struct flock64 is the LFS variant of struct flock. As
- * a historic accident and inconsistence with the ABI definition it doesn't
- * contain all the same fields as struct flock.
- */
- typedef struct flock {
- short l_type;
- short l_whence;
- __kernel_off_t l_start;
- __kernel_off_t l_len;
- long l_sysid;
- __kernel_pid_t l_pid;
- long pad[4];
- } flock_t;
- typedef struct flock64 {
- short l_type;
- short l_whence;
- loff_t l_start;
- loff_t l_len;
- pid_t l_pid;
- } flock64_t;
- #define F_LINUX_SPECIFIC_BASE 1024
- #endif /* __ASM_FCNTL_H */