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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1#ifndef _ASM_GENERIC_FCNTL_H
2#define _ASM_GENERIC_FCNTL_H
3
4#include <linux/config.h>
5#include <linux/types.h>
6
7/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
8 located on an ext2 file system */
9#define O_ACCMODE 00000003
10#define O_RDONLY 00000000
11#define O_WRONLY 00000001
12#define O_RDWR 00000002
13#ifndef O_CREAT
14#define O_CREAT 00000100 /* not fcntl */
15#endif
16#ifndef O_EXCL
17#define O_EXCL 00000200 /* not fcntl */
18#endif
19#ifndef O_NOCTTY
20#define O_NOCTTY 00000400 /* not fcntl */
21#endif
22#ifndef O_TRUNC
23#define O_TRUNC 00001000 /* not fcntl */
24#endif
25#ifndef O_APPEND
26#define O_APPEND 00002000
27#endif
28#ifndef O_NONBLOCK
29#define O_NONBLOCK 00004000
30#endif
31#ifndef O_SYNC
32#define O_SYNC 00010000
33#endif
34#ifndef FASYNC
35#define FASYNC 00020000 /* fcntl, for BSD compatibility */
36#endif
37#ifndef O_DIRECT
38#define O_DIRECT 00040000 /* direct disk access hint */
39#endif
40#ifndef O_LARGEFILE
41#define O_LARGEFILE 00100000
42#endif
43#ifndef O_DIRECTORY
44#define O_DIRECTORY 00200000 /* must be a directory */
45#endif
46#ifndef O_NOFOLLOW
47#define O_NOFOLLOW 00400000 /* don't follow links */
48#endif
49#ifndef O_NOATIME
50#define O_NOATIME 01000000
51#endif
52#ifndef O_NDELAY
53#define O_NDELAY O_NONBLOCK
54#endif
55
56#define F_DUPFD 0 /* dup */
57#define F_GETFD 1 /* get close_on_exec */
58#define F_SETFD 2 /* set/clear close_on_exec */
59#define F_GETFL 3 /* get file->f_flags */
60#define F_SETFL 4 /* set file->f_flags */
61#ifndef F_GETLK
62#define F_GETLK 5
63#define F_SETLK 6
64#define F_SETLKW 7
65#endif
66#ifndef F_SETOWN
67#define F_SETOWN 8 /* for sockets. */
68#define F_GETOWN 9 /* for sockets. */
69#endif
70#ifndef F_SETSIG
71#define F_SETSIG 10 /* for sockets. */
72#define F_GETSIG 11 /* for sockets. */
73#endif
74
75/* for F_[GET|SET]FL */
76#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
77
78/* for posix fcntl() and lockf() */
79#ifndef F_RDLCK
80#define F_RDLCK 0
81#define F_WRLCK 1
82#define F_UNLCK 2
83#endif
84
85/* for old implementation of bsd flock () */
86#ifndef F_EXLCK
87#define F_EXLCK 4 /* or 3 */
88#define F_SHLCK 8 /* or 4 */
89#endif
90
91/* for leases */
92#ifndef F_INPROGRESS
93#define F_INPROGRESS 16
94#endif
95
96/* operations for bsd flock(), also used by the kernel implementation */
97#define LOCK_SH 1 /* shared lock */
98#define LOCK_EX 2 /* exclusive lock */
99#define LOCK_NB 4 /* or'd with one of the above to prevent
100 blocking */
101#define LOCK_UN 8 /* remove lock */
102
103#define LOCK_MAND 32 /* This is a mandatory flock ... */
104#define LOCK_READ 64 /* which allows concurrent read operations */
105#define LOCK_WRITE 128 /* which allows concurrent write operations */
106#define LOCK_RW 192 /* which allows concurrent read & write ops */
107
108#define F_LINUX_SPECIFIC_BASE 1024
109
110#ifndef HAVE_ARCH_STRUCT_FLOCK
111#ifndef __ARCH_FLOCK_PAD
112#define __ARCH_FLOCK_PAD
113#endif
114
115struct flock {
116 short l_type;
117 short l_whence;
118 off_t l_start;
119 off_t l_len;
120 pid_t l_pid;
121 __ARCH_FLOCK_PAD
122};
123#endif
124
125#ifndef CONFIG_64BIT
126
127#ifndef F_GETLK64
128#define F_GETLK64 12 /* using 'struct flock64' */
129#define F_SETLK64 13
130#define F_SETLKW64 14
131#endif
132
133#ifndef HAVE_ARCH_STRUCT_FLOCK64
134#ifndef __ARCH_FLOCK64_PAD
135#define __ARCH_FLOCK64_PAD
136#endif
137
138struct flock64 {
139 short l_type;
140 short l_whence;
141 loff_t l_start;
142 loff_t l_len;
143 pid_t l_pid;
144 __ARCH_FLOCK64_PAD
145};
146#endif
147#endif /* !CONFIG_64BIT */
148
149#endif /* _ASM_GENERIC_FCNTL_H */