1 /*
2 * include/asm-s390/fcntl.h
3 *
4 * S390 version
5 *
6 * Derived from "include/asm-i386/fcntl.h"
7 */
8 #ifndef _S390_FCNTL_H
9 #define _S390_FCNTL_H
10
11 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
12 located on an ext2 file system */
13 #define O_ACCMODE 0003
14 #define O_RDONLY 00
15 #define O_WRONLY 01
16 #define O_RDWR 02
17 #define O_CREAT 0100 /* not fcntl */
18 #define O_EXCL 0200 /* not fcntl */
19 #define O_NOCTTY 0400 /* not fcntl */
20 #define O_TRUNC 01000 /* not fcntl */
21 #define O_APPEND 02000
22 #define O_NONBLOCK 04000
23 #define O_NDELAY O_NONBLOCK
24 #define O_SYNC 010000
25 #define FASYNC 020000 /* fcntl, for BSD compatibility */
26 #define O_DIRECT 040000 /* direct disk access hint - currently ignored */
27 #define O_LARGEFILE 0100000
28 #define O_DIRECTORY 0200000 /* must be a directory */
29 #define O_NOFOLLOW 0400000 /* don't follow links */
30
31 #define F_DUPFD 0 /* dup */
32 #define F_GETFD 1 /* get close_on_exec */
33 #define F_SETFD 2 /* set/clear close_on_exec */
34 #define F_GETFL 3 /* get file->f_flags */
35 #define F_SETFL 4 /* set file->f_flags */
36 #define F_GETLK 5
37 #define F_SETLK 6
38 #define F_SETLKW 7
39
40 #define F_SETOWN 8 /* for sockets. */
41 #define F_GETOWN 9 /* for sockets. */
42 #define F_SETSIG 10 /* for sockets. */
43 #define F_GETSIG 11 /* for sockets. */
44
45 /* for F_[GET|SET]FL */
46 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */
47
48 /* for posix fcntl() and lockf() */
49 #define F_RDLCK 0
50 #define F_WRLCK 1
51 #define F_UNLCK 2
52
53 /* for old implementation of bsd flock () */
54 #define F_EXLCK 4 /* or 3 */
55 #define F_SHLCK 8 /* or 4 */
56
57 /* for leases */
58 #define F_INPROGRESS 16
59
60 /* operations for bsd flock(), also used by the kernel implementation */
61 #define LOCK_SH 1 /* shared lock */
62 #define LOCK_EX 2 /* exclusive lock */
63 #define LOCK_NB 4 /* or'd with one of the above to prevent
64 blocking */
65 #define LOCK_UN 8 /* remove lock */
66
67 #define LOCK_MAND 32 /* This is a mandatory flock */
68 #define LOCK_READ 64 /* ... Which allows concurrent read operations */
69 #define LOCK_WRITE 128 /* ... Which allows concurrent write operations */
70 #define LOCK_RW 192 /* ... Which allows concurrent read & write ops */
71
72 struct flock {
73 short l_type;
74 short l_whence;
75 off_t l_start;
76 off_t l_len;
77 pid_t l_pid;
78 };
79
80 #define F_LINUX_SPECIFIC_BASE 1024
81 #endif
82
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