| [142] | 1 | /* $Id: fcntl.h 142 2000-04-23 14:55:46Z ktk $ */
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| 2 |
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| 3 | #ifndef _I386_FCNTL_H
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| 4 | #define _I386_FCNTL_H
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| 5 |
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| 6 | /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
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| 7 | located on an ext2 file system */
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| 8 | #define O_ACCMODE 0003
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| 9 | #define O_RDONLY 00
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| 10 | #define O_WRONLY 01
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| 11 | #define O_RDWR 02
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| 12 | #define O_CREAT 0100 /* not fcntl */
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| 13 | #define O_EXCL 0200 /* not fcntl */
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| 14 | #define O_NOCTTY 0400 /* not fcntl */
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| 15 | #define O_TRUNC 01000 /* not fcntl */
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| 16 | #define O_APPEND 02000
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| 17 | #define O_NONBLOCK 04000
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| 18 | #define O_NDELAY O_NONBLOCK
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| 19 | #define O_SYNC 010000
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| 20 | #define FASYNC 020000 /* fcntl, for BSD compatibility */
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| 21 | #define O_DIRECT 040000 /* direct disk access hint - currently ignored */
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| 22 | #define O_LARGEFILE 0100000
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| 23 | #define O_DIRECTORY 0200000 /* must be a directory */
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| 24 | #define O_NOFOLLOW 0400000 /* don't follow links */
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| 25 |
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| 26 | #define F_DUPFD 0 /* dup */
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| 27 | #define F_GETFD 1 /* get f_flags */
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| 28 | #define F_SETFD 2 /* set f_flags */
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| 29 | #define F_GETFL 3 /* more flags (cloexec) */
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| 30 | #define F_SETFL 4
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| 31 | #define F_GETLK 5
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| 32 | #define F_SETLK 6
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| 33 | #define F_SETLKW 7
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| 34 |
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| 35 | #define F_SETOWN 8 /* for sockets. */
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| 36 | #define F_GETOWN 9 /* for sockets. */
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| 37 | #define F_SETSIG 10 /* for sockets. */
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| 38 | #define F_GETSIG 11 /* for sockets. */
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| 39 |
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| 40 | /* for F_[GET|SET]FL */
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| 41 | #define FD_CLOEXEC 1 /* actually anything with low bit set goes */
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| 42 |
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| 43 | /* for posix fcntl() and lockf() */
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| 44 | #define F_RDLCK 0
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| 45 | #define F_WRLCK 1
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| 46 | #define F_UNLCK 2
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| 47 |
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| 48 | /* for old implementation of bsd flock () */
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| 49 | #define F_EXLCK 4 /* or 3 */
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| 50 | #define F_SHLCK 8 /* or 4 */
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| 51 |
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| 52 | /* operations for bsd flock(), also used by the kernel implementation */
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| 53 | #define LOCK_SH 1 /* shared lock */
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| 54 | #define LOCK_EX 2 /* exclusive lock */
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| 55 | #define LOCK_NB 4 /* or'd with one of the above to prevent
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| 56 | blocking */
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| 57 | #define LOCK_UN 8 /* remove lock */
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| 58 |
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| 59 | struct flock {
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| 60 | short l_type;
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| 61 | short l_whence;
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| 62 | off_t l_start;
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| 63 | off_t l_len;
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| 64 | pid_t l_pid;
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| 65 | };
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| 66 |
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| 67 | #endif
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