fcntl.h
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上传日期:2013-02-24
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- #ifndef _ASM_IA64_FCNTL_H
- #define _ASM_IA64_FCNTL_H
- /*
- * This is mostly compatible with Linux/x86.
- *
- * Copyright (C) 1998-2000 Hewlett-Packard Co
- * Copyright (C) 1998-2000 David Mosberger-Tang <davidm@hpl.hp.com>
- */
- /*
- * 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 FASYNC 020000 /* fcntl, for BSD compatibility */
- #define O_DIRECT 040000 /* direct disk access hint - currently ignored */
- #define O_LARGEFILE 0100000
- #define O_DIRECTORY 0200000 /* must be a directory */
- #define O_NOFOLLOW 0400000 /* don't follow links */
- #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 5
- #define F_SETLK 6
- #define F_SETLKW 7
- #define F_SETOWN 8 /* for sockets. */
- #define F_GETOWN 9 /* for sockets. */
- #define F_SETSIG 10 /* for sockets. */
- #define F_GETSIG 11 /* for sockets. */
- /* 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 */
- struct flock {
- short l_type;
- short l_whence;
- off_t l_start;
- off_t l_len;
- pid_t l_pid;
- };
- #ifdef __KERNEL__
- # define flock64 flock
- #endif
- #define F_LINUX_SPECIFIC_BASE 1024
- #endif /* _ASM_IA64_FCNTL_H */