4 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
5 located on an ext2 file system */
10 #define O_CREAT 0100 /* not fcntl */
11 #define O_EXCL 0200 /* not fcntl */
12 #define O_NOCTTY 0400 /* not fcntl */
13 #define O_TRUNC 01000 /* not fcntl */
14 #define O_APPEND 02000
15 #define O_NONBLOCK 04000
16 #define O_NDELAY O_NONBLOCK
18 #define FASYNC 020000 /* fcntl, for BSD compatibility */
19 #define O_DIRECTORY 040000 /* must be a directory */
20 #define O_NOFOLLOW 0100000 /* don't follow links */
21 #define O_DIRECT 0200000 /* direct disk access hint - currently ignored */
22 #define O_LARGEFILE 0400000
23 #define O_NOATIME 01000000
25 #define F_DUPFD 0 /* dup */
26 #define F_GETFD 1 /* get close_on_exec */
27 #define F_SETFD 2 /* set/clear close_on_exec */
28 #define F_GETFL 3 /* get file->f_flags */
29 #define F_SETFL 4 /* set file->f_flags */
34 #define F_SETOWN 8 /* for sockets. */
35 #define F_GETOWN 9 /* for sockets. */
36 #define F_SETSIG 10 /* for sockets. */
37 #define F_GETSIG 11 /* for sockets. */
39 #define F_GETLK64 12 /* using 'struct flock64' */
43 /* for F_[GET|SET]FL */
44 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */
46 /* for posix fcntl() and lockf() */
51 /* for old implementation of bsd flock () */
52 #define F_EXLCK 4 /* or 3 */
53 #define F_SHLCK 8 /* or 4 */
56 #define F_INPROGRESS 16
58 /* operations for bsd flock(), also used by the kernel implementation */
59 #define LOCK_SH 1 /* shared lock */
60 #define LOCK_EX 2 /* exclusive lock */
61 #define LOCK_NB 4 /* or'd with one of the above to prevent
63 #define LOCK_UN 8 /* remove lock */
65 #define LOCK_MAND 32 /* This is a mandatory flock */
66 #define LOCK_READ 64 /* ... Which allows concurrent read operations */
67 #define LOCK_WRITE 128 /* ... Which allows concurrent write operations */
68 #define LOCK_RW 192 /* ... Which allows concurrent read & write ops */
86 #define F_LINUX_SPECIFIC_BASE 1024