1 /* $Id: fcntl.h,v 1.4 1998/09/19 19:19:36 ralf Exp $
2 *
3 * This file is subject to the terms and conditions of the GNU General Public
4 * License. See the file "COPYING" in the main directory of this archive
5 * for more details.
6 *
7 * Copyright (C) 1995, 1996, 1997, 1998 by Ralf Baechle
8 */
9 #ifndef __ASM_MIPS_FCNTL_H
10 #define __ASM_MIPS_FCNTL_H
11
12 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
13 located on an ext2 file system */
14 #define O_ACCMODE 0x0003
15 #define O_RDONLY 0x0000
16 #define O_WRONLY 0x0001
17 #define O_RDWR 0x0002
18 #define O_APPEND 0x0008
19 #define O_SYNC 0x0010
20 #define O_NONBLOCK 0x0080
21 #define O_CREAT 0x0100 /* not fcntl */
22 #define O_TRUNC 0x0200 /* not fcntl */
23 #define O_EXCL 0x0400 /* not fcntl */
24 #define O_NOCTTY 0x0800 /* not fcntl */
25 #define FASYNC 0x1000 /* fcntl, for BSD compatibility */
26 #define O_LARGEFILE 0x2000 /* allow large file opens - currently ignored */
27 #define O_DIRECT 0x8000 /* direct disk access hint - currently ignored */
28 #define O_DIRECTORY 0x10000 /* must be a directory */
29 #define O_NOFOLLOW 0x20000 /* don't follow links */
30
31 #define O_NDELAY O_NONBLOCK
32
33 #define F_DUPFD 0 /* dup */
34 #define F_GETFD 1 /* get close_on_exec */
35 #define F_SETFD 2 /* set/clear close_on_exec */
36 #define F_GETFL 3 /* get file->f_flags */
37 #define F_SETFL 4 /* set file->f_flags */
38 #define F_GETLK 14
39 #define F_SETLK 6
40 #define F_SETLKW 7
41
42 #define F_SETOWN 24 /* for sockets. */
43 #define F_GETOWN 23 /* for sockets. */
44 #define F_SETSIG 10 /* for sockets. */
45 #define F_GETSIG 11 /* for sockets. */
46
47 /* for F_[GET|SET]FL */
48 #define FD_CLOEXEC 1 /* actually anything with low bit set goes */
49
50 /* for posix fcntl() and lockf() */
51 #define F_RDLCK 0
52 #define F_WRLCK 1
53 #define F_UNLCK 2
54
55 /* for old implementation of bsd flock () */
56 #define F_EXLCK 4 /* or 3 */
57 #define F_SHLCK 8 /* or 4 */
58
59 /* for leases */
60 #define F_INPROGRESS 16
61
62 /* operations for bsd flock(), also used by the kernel implementation */
63 #define LOCK_SH 1 /* shared lock */
64 #define LOCK_EX 2 /* exclusive lock */
65 #define LOCK_NB 4 /* or'd with one of the above to prevent XXXXXXXXXXXXXXXXXX
66 blocking */
67 #define LOCK_UN 8 /* remove lock */
68
69 #define LOCK_MAND 32 /* This is a mandatory flock */
70 #define LOCK_READ 64 /* ... Which allows concurrent read operations */
71 #define LOCK_WRITE 128 /* ... Which allows concurrent write operations */
72 #define LOCK_RW 192 /* ... Which allows concurrent read & write ops */
73
74 typedef struct flock {
75 short l_type;
76 short l_whence;
77 __kernel_off_t l_start;
78 __kernel_off_t l_len;
79 long l_sysid; /* XXXXXXXXXXXXXXXXXXXXXXXXX */
80 __kernel_pid_t l_pid;
81 long pad[4]; /* ZZZZZZZZZZZZZZZZZZZZZZZZZZ */
82 } flock_t;
83
84 #define F_LINUX_SPECIFIC_BASE 1024
85 #endif /* __ASM_MIPS_FCNTL_H */
86
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