fcntl.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:2k
- /* $Id: fcntl.h,v 1.16 2001/09/20 00:35:33 davem Exp $ */
- #ifndef _SPARC_FCNTL_H
- #define _SPARC_FCNTL_H
- /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
- located on an ext2 file system */
- #define O_RDONLY 0x0000
- #define O_WRONLY 0x0001
- #define O_RDWR 0x0002
- #define O_ACCMODE 0x0003
- #define O_APPEND 0x0008
- #define FASYNC 0x0040 /* fcntl, for BSD compatibility */
- #define O_CREAT 0x0200 /* not fcntl */
- #define O_TRUNC 0x0400 /* not fcntl */
- #define O_EXCL 0x0800 /* not fcntl */
- #define O_SYNC 0x2000
- #define O_NONBLOCK 0x4000
- #define O_NDELAY (0x0004 | O_NONBLOCK)
- #define O_NOCTTY 0x8000 /* not fcntl */
- #define O_DIRECTORY 0x10000 /* must be a directory */
- #define O_NOFOLLOW 0x20000 /* don't follow links */
- #define O_LARGEFILE 0x40000
- #define O_DIRECT 0x100000 /* direct disk access hint */
- #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_GETOWN 5 /* for sockets. */
- #define F_SETOWN 6 /* for sockets. */
- #define F_GETLK 7
- #define F_SETLK 8
- #define F_SETLKW 9
- #define F_SETSIG 10 /* for sockets. */
- #define F_GETSIG 11 /* for sockets. */
- #define F_GETLK64 12 /* using 'struct flock64' */
- #define F_SETLK64 13
- #define F_SETLKW64 14
- /* for F_[GET|SET]FL */
- #define FD_CLOEXEC 1 /* actually anything with low bit set goes */
- /* for posix fcntl() and lockf() */
- #define F_RDLCK 1
- #define F_WRLCK 2
- #define F_UNLCK 3
- /* 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;
- short __unused;
- };
- struct flock64 {
- short l_type;
- short l_whence;
- loff_t l_start;
- loff_t l_len;
- pid_t l_pid;
- short __unused;
- };
- #define F_LINUX_SPECIFIC_BASE 1024
- #endif