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90 lines
2.5 KiB
90 lines
2.5 KiB
20 years ago
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/* $Id: fcntl.h,v 1.16 2001/09/20 00:35:33 davem Exp $ */
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#ifndef _SPARC_FCNTL_H
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#define _SPARC_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_RDONLY 0x0000
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#define O_WRONLY 0x0001
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#define O_RDWR 0x0002
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#define O_ACCMODE 0x0003
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#define O_APPEND 0x0008
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#define FASYNC 0x0040 /* fcntl, for BSD compatibility */
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#define O_CREAT 0x0200 /* not fcntl */
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#define O_TRUNC 0x0400 /* not fcntl */
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#define O_EXCL 0x0800 /* not fcntl */
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#define O_SYNC 0x2000
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#define O_NONBLOCK 0x4000
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#define O_NDELAY (0x0004 | O_NONBLOCK)
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#define O_NOCTTY 0x8000 /* not fcntl */
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#define O_DIRECTORY 0x10000 /* must be a directory */
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#define O_NOFOLLOW 0x20000 /* don't follow links */
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#define O_LARGEFILE 0x40000
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#define O_DIRECT 0x100000 /* direct disk access hint */
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#define O_NOATIME 0x200000
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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_GETOWN 5 /* for sockets. */
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#define F_SETOWN 6 /* for sockets. */
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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_SETSIG 10 /* for sockets. */
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#define F_GETSIG 11 /* for sockets. */
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#define F_GETLK64 12 /* using 'struct flock64' */
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#define F_SETLK64 13
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#define F_SETLKW64 14
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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 3
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/* for old implementation of bsd flock () */
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#define F_EXLCK 4 /* or 3 */
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#define F_SHLCK 8 /* or 4 */
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/* for leases */
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#define F_INPROGRESS 16
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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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off_t l_start;
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off_t l_len;
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pid_t l_pid;
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short __unused;
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};
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struct flock64 {
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short l_type;
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short l_whence;
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loff_t l_start;
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loff_t l_len;
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pid_t l_pid;
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short __unused;
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};
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#define F_LINUX_SPECIFIC_BASE 1024
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#endif
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