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Stephen Rothwell93172592005-09-06 15:17:57 -07001#ifndef _ASM_GENERIC_FCNTL_H
2#define _ASM_GENERIC_FCNTL_H
3
Stephen Rothwell5ac353f2005-09-06 15:18:00 -07004#include <linux/types.h>
5
Stephen Rothwelle64ca972005-09-06 15:17:58 -07006/* 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#ifndef O_CREAT
13#define O_CREAT 00000100 /* not fcntl */
14#endif
15#ifndef O_EXCL
16#define O_EXCL 00000200 /* not fcntl */
17#endif
18#ifndef O_NOCTTY
19#define O_NOCTTY 00000400 /* not fcntl */
20#endif
21#ifndef O_TRUNC
22#define O_TRUNC 00001000 /* not fcntl */
23#endif
24#ifndef O_APPEND
25#define O_APPEND 00002000
26#endif
27#ifndef O_NONBLOCK
28#define O_NONBLOCK 00004000
29#endif
30#ifndef O_SYNC
31#define O_SYNC 00010000
32#endif
33#ifndef FASYNC
34#define FASYNC 00020000 /* fcntl, for BSD compatibility */
35#endif
36#ifndef O_DIRECT
37#define O_DIRECT 00040000 /* direct disk access hint */
38#endif
39#ifndef O_LARGEFILE
40#define O_LARGEFILE 00100000
41#endif
42#ifndef O_DIRECTORY
43#define O_DIRECTORY 00200000 /* must be a directory */
44#endif
45#ifndef O_NOFOLLOW
46#define O_NOFOLLOW 00400000 /* don't follow links */
47#endif
48#ifndef O_NOATIME
49#define O_NOATIME 01000000
50#endif
Ulrich Drepperf23513e2007-07-15 23:40:32 -070051#ifndef O_CLOEXEC
52#define O_CLOEXEC 02000000 /* set close_on_exec */
53#endif
Stephen Rothwelle64ca972005-09-06 15:17:58 -070054#ifndef O_NDELAY
55#define O_NDELAY O_NONBLOCK
56#endif
Stephen Rothwell93172592005-09-06 15:17:57 -070057
58#define F_DUPFD 0 /* dup */
59#define F_GETFD 1 /* get close_on_exec */
60#define F_SETFD 2 /* set/clear close_on_exec */
61#define F_GETFL 3 /* get file->f_flags */
62#define F_SETFL 4 /* set file->f_flags */
Stephen Rothwell1abf62a2005-09-06 15:17:59 -070063#ifndef F_GETLK
64#define F_GETLK 5
65#define F_SETLK 6
66#define F_SETLKW 7
67#endif
68#ifndef F_SETOWN
69#define F_SETOWN 8 /* for sockets. */
70#define F_GETOWN 9 /* for sockets. */
71#endif
72#ifndef F_SETSIG
73#define F_SETSIG 10 /* for sockets. */
74#define F_GETSIG 11 /* for sockets. */
75#endif
Peter Zijlstra71ccb832009-11-11 14:26:27 -080076
77#ifndef CONFIG_64BIT
78#ifndef F_GETLK64
79#define F_GETLK64 12 /* using 'struct flock64' */
80#define F_SETLK64 13
81#define F_SETLKW64 14
82#endif
83#endif
84
Peter Zijlstraba0a6c92009-09-23 15:57:03 -070085#ifndef F_SETOWN_EX
Peter Zijlstra71ccb832009-11-11 14:26:27 -080086#define F_SETOWN_EX 15
87#define F_GETOWN_EX 16
Peter Zijlstraba0a6c92009-09-23 15:57:03 -070088#endif
89
90#define F_OWNER_TID 0
91#define F_OWNER_PID 1
92#define F_OWNER_GID 2
93
94struct f_owner_ex {
95 int type;
96 pid_t pid;
97};
Stephen Rothwell93172592005-09-06 15:17:57 -070098
99/* for F_[GET|SET]FL */
100#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
101
Stephen Rothwell1abf62a2005-09-06 15:17:59 -0700102/* for posix fcntl() and lockf() */
103#ifndef F_RDLCK
104#define F_RDLCK 0
105#define F_WRLCK 1
106#define F_UNLCK 2
107#endif
108
109/* for old implementation of bsd flock () */
110#ifndef F_EXLCK
111#define F_EXLCK 4 /* or 3 */
112#define F_SHLCK 8 /* or 4 */
113#endif
114
115/* for leases */
116#ifndef F_INPROGRESS
117#define F_INPROGRESS 16
118#endif
119
Stephen Rothwell93172592005-09-06 15:17:57 -0700120/* operations for bsd flock(), also used by the kernel implementation */
121#define LOCK_SH 1 /* shared lock */
122#define LOCK_EX 2 /* exclusive lock */
123#define LOCK_NB 4 /* or'd with one of the above to prevent
124 blocking */
125#define LOCK_UN 8 /* remove lock */
126
127#define LOCK_MAND 32 /* This is a mandatory flock ... */
128#define LOCK_READ 64 /* which allows concurrent read operations */
129#define LOCK_WRITE 128 /* which allows concurrent write operations */
130#define LOCK_RW 192 /* which allows concurrent read & write ops */
131
132#define F_LINUX_SPECIFIC_BASE 1024
133
Stephen Rothwell5ac353f2005-09-06 15:18:00 -0700134#ifndef HAVE_ARCH_STRUCT_FLOCK
135#ifndef __ARCH_FLOCK_PAD
136#define __ARCH_FLOCK_PAD
137#endif
138
139struct flock {
140 short l_type;
141 short l_whence;
Arnd Bergmann85efde62009-02-26 00:51:39 +0100142 __kernel_off_t l_start;
143 __kernel_off_t l_len;
144 __kernel_pid_t l_pid;
Stephen Rothwell5ac353f2005-09-06 15:18:00 -0700145 __ARCH_FLOCK_PAD
146};
147#endif
148
Stephen Rothwell8d286aa2005-09-06 15:18:01 -0700149#ifndef CONFIG_64BIT
150
Stephen Rothwell8d286aa2005-09-06 15:18:01 -0700151#ifndef HAVE_ARCH_STRUCT_FLOCK64
152#ifndef __ARCH_FLOCK64_PAD
153#define __ARCH_FLOCK64_PAD
154#endif
155
156struct flock64 {
157 short l_type;
158 short l_whence;
Arnd Bergmann85efde62009-02-26 00:51:39 +0100159 __kernel_loff_t l_start;
160 __kernel_loff_t l_len;
161 __kernel_pid_t l_pid;
Stephen Rothwell8d286aa2005-09-06 15:18:01 -0700162 __ARCH_FLOCK64_PAD
163};
164#endif
165#endif /* !CONFIG_64BIT */
166
Stephen Rothwell93172592005-09-06 15:17:57 -0700167#endif /* _ASM_GENERIC_FCNTL_H */