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76 lines
2.3 KiB
76 lines
2.3 KiB
20 years ago
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#ifndef _ALPHA_FCNTL_H
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#define _ALPHA_FCNTL_H
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/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
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located on an ext2 file system */
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#define O_ACCMODE 0003
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#define O_RDONLY 00
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#define O_WRONLY 01
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#define O_RDWR 02
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#define O_CREAT 01000 /* not fcntl */
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#define O_TRUNC 02000 /* not fcntl */
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#define O_EXCL 04000 /* not fcntl */
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#define O_NOCTTY 010000 /* not fcntl */
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#define O_NONBLOCK 00004
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#define O_APPEND 00010
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#define O_NDELAY O_NONBLOCK
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#define O_SYNC 040000
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#define FASYNC 020000 /* fcntl, for BSD compatibility */
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#define O_DIRECTORY 0100000 /* must be a directory */
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#define O_NOFOLLOW 0200000 /* don't follow links */
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#define O_LARGEFILE 0400000 /* will be set by the kernel on every open */
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#define O_DIRECT 02000000 /* direct disk access - should check with OSF/1 */
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#define O_NOATIME 04000000
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#define F_DUPFD 0 /* dup */
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#define F_GETFD 1 /* get close_on_exec */
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#define F_SETFD 2 /* set/clear close_on_exec */
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#define F_GETFL 3 /* get file->f_flags */
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#define F_SETFL 4 /* set file->f_flags */
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#define F_GETLK 7
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#define F_SETLK 8
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#define F_SETLKW 9
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#define F_SETOWN 5 /* for sockets. */
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#define F_GETOWN 6 /* for sockets. */
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#define F_SETSIG 10 /* for sockets. */
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#define F_GETSIG 11 /* for sockets. */
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/* for F_[GET|SET]FL */
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#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
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/* for posix fcntl() and lockf() */
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#define F_RDLCK 1
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#define F_WRLCK 2
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#define F_UNLCK 8
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/* for old implementation of bsd flock () */
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#define F_EXLCK 16 /* or 3 */
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#define F_SHLCK 32 /* or 4 */
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#define F_INPROGRESS 64
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/* operations for bsd flock(), also used by the kernel implementation */
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#define LOCK_SH 1 /* shared lock */
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#define LOCK_EX 2 /* exclusive lock */
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#define LOCK_NB 4 /* or'd with one of the above to prevent
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blocking */
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#define LOCK_UN 8 /* remove lock */
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#define LOCK_MAND 32 /* This is a mandatory flock */
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#define LOCK_READ 64 /* ... Which allows concurrent read operations */
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#define LOCK_WRITE 128 /* ... Which allows concurrent write operations */
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#define LOCK_RW 192 /* ... Which allows concurrent read & write ops */
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struct flock {
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short l_type;
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short l_whence;
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__kernel_off_t l_start;
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__kernel_off_t l_len;
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__kernel_pid_t l_pid;
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};
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#define F_LINUX_SPECIFIC_BASE 1024
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#endif
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