1 #ifndef _ASM_GENERIC_FCNTL_H
2 #define _ASM_GENERIC_FCNTL_H
4 #include <linux/types.h>
6 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
7 located on an ext2 file system */
8 #define O_ACCMODE 00000003
9 #define O_RDONLY 00000000
10 #define O_WRONLY 00000001
11 #define O_RDWR 00000002
12 #define O_CREAT 00000100 /* not fcntl */
13 #define O_EXCL 00000200 /* not fcntl */
14 #define O_TRUNC 00001000 /* not fcntl */
15 #define O_APPEND 00002000
16 #define O_DIRECTORY 00200000 /* must be a directory */
17 #define O_NOFOLLOW 00400000 /* don't follow links */
19 /* U-Boot additional flags */
20 #define O_RWSIZE_MASK 00000070
21 #define O_RWSIZE_SHIFT 3
22 #define O_RWSIZE_1 00000010
23 #define O_RWSIZE_2 00000020
24 #define O_RWSIZE_4 00000040
26 #define F_DUPFD 0 /* dup */
27 #define F_GETFD 1 /* get close_on_exec */
28 #define F_SETFD 2 /* set/clear close_on_exec */
29 #define F_GETFL 3 /* get file->f_flags */
30 #define F_SETFL 4 /* set file->f_flags */
37 #define F_SETOWN 8 /* for sockets. */
38 #define F_GETOWN 9 /* for sockets. */
41 #define F_SETSIG 10 /* for sockets. */
42 #define F_GETSIG 11 /* for sockets. */
45 /* for F_[GET|SET]FL */
46 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */
48 /* for posix fcntl() and lockf() */
55 /* for old implementation of bsd flock () */
57 #define F_EXLCK 4 /* or 3 */
58 #define F_SHLCK 8 /* or 4 */
63 #define F_INPROGRESS 16
66 /* operations for bsd flock(), also used by the kernel implementation */
67 #define LOCK_SH 1 /* shared lock */
68 #define LOCK_EX 2 /* exclusive lock */
69 #define LOCK_NB 4 /* or'd with one of the above to prevent
71 #define LOCK_UN 8 /* remove lock */
73 #define LOCK_MAND 32 /* This is a mandatory flock ... */
74 #define LOCK_READ 64 /* which allows concurrent read operations */
75 #define LOCK_WRITE 128 /* which allows concurrent write operations */
76 #define LOCK_RW 192 /* which allows concurrent read & write ops */
78 #define F_LINUX_SPECIFIC_BASE 1024
80 #ifndef HAVE_ARCH_STRUCT_FLOCK
81 #ifndef __ARCH_FLOCK_PAD
82 #define __ARCH_FLOCK_PAD
98 #define F_GETLK64 12 /* using 'struct flock64' */
100 #define F_SETLKW64 14
103 #ifndef HAVE_ARCH_STRUCT_FLOCK64
104 #ifndef __ARCH_FLOCK64_PAD
105 #define __ARCH_FLOCK64_PAD
117 #endif /* !CONFIG_64BIT */
119 #endif /* _ASM_GENERIC_FCNTL_H */