tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _PPC_FCNTL_H
2#define _PPC_FCNTL_H
3
4/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
5 located on an ext2 file system */
6#define O_ACCMODE 0003
7#define O_RDONLY 00
8#define O_WRONLY 01
9#define O_RDWR 02
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
17#define O_SYNC 010000
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_LARGEFILE 0200000
22#define O_DIRECT 0400000 /* direct disk access hint */
23#define O_NOATIME 01000000
24
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 */
30#define F_GETLK 5
31#define F_SETLK 6
32#define F_SETLKW 7
33
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. */
38
39#define F_GETLK64 12 /* using 'struct flock64' */
40#define F_SETLK64 13
41#define F_SETLKW64 14
42
43/* for F_[GET|SET]FL */
44#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
45
46/* for posix fcntl() and lockf() */
47#define F_RDLCK 0
48#define F_WRLCK 1
49#define F_UNLCK 2
50
51/* for old implementation of bsd flock () */
52#define F_EXLCK 4 /* or 3 */
53#define F_SHLCK 8 /* or 4 */
54
55/* for leases */
56#define F_INPROGRESS 16
57
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
62 blocking */
63#define LOCK_UN 8 /* remove lock */
64
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 */
69
70#ifdef __KERNEL__
71#define F_POSIX 1
72#define F_FLOCK 2
73#define F_BROKEN 4 /* broken flock() emulation */
74#endif /* __KERNEL__ */
75
76struct flock {
77 short l_type;
78 short l_whence;
79 off_t l_start;
80 off_t l_len;
81 pid_t l_pid;
82};
83
84struct flock64 {
85 short l_type;
86 short l_whence;
87 loff_t l_start;
88 loff_t l_len;
89 pid_t l_pid;
90};
91
92#define F_LINUX_SPECIFIC_BASE 1024
93#endif