1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1998 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
* Copyright 2015 Joyent, Inc. All rights reserved.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#ifndef _SYS_FCNTL_H
#define _SYS_FCNTL_H
#ifndef _SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* Flag values accessible to open(2) and fcntl(2) */
/* (The first three can only be set by open) */
#define O_RDONLY 0
#define O_WRONLY 1
#define O_RDWR 2
#define O_NDELAY 04 /* Non-blocking I/O */
#define O_APPEND 010 /* append (writes guaranteed at the end) */
#define O_SYNC 020 /* synchronous write option */
#define O_NONBLOCK 0200 /* Non-blocking I/O (POSIX) */
#define O_PRIV 010000 /* Private access to file */
#ifdef _LARGEFILE_SOURCE
#define O_LARGEFILE 0x2000
#endif
/* Flag values accessible only to open(2) */
#define O_CREAT 00400 /* open with file create (uses third open arg) */
#define O_TRUNC 01000 /* open with truncation */
#define O_EXCL 02000 /* exclusive open */
#define O_NOCTTY 04000 /* don't allocate controlling tty (POSIX) */
/* fcntl(2) requests */
#define F_DUPFD 0 /* Duplicate fildes */
#define F_GETFD 1 /* Get fildes flags */
#define F_SETFD 2 /* Set fildes flags */
#define F_GETFL 3 /* Get file flags */
#define F_SETFL 4 /* Set file flags */
#define F_SETLK 6 /* Set file lock */
#define F_SETLKW 7 /* Set file lock and wait */
#define F_FLOCK 53 /* private - flock */
#define F_FLOCKW 54 /* private - flock wait */
/*
* Applications that read /dev/mem must be built like the kernel. A new
* symbol "_KMEMUSER" is defined for this purpose.
* Applications that read /dev/mem will migrate with the kernel
* to an "_LTYPES" definition.
*/
#if defined(_KERNEL) || defined(_KMEMUSER)
#define F_GETLK 14 /* Get file lock */
#define F_O_GETLK 5 /* SVR3 Get file lock */
#else /* user definition */
#if defined(_LTYPES) /* EFT definition */
#define F_GETLK 14 /* Get file lock */
#else
#define F_GETLK 5 /* Get file lock */
#endif /* defined(_LTYPES) */
#endif /* defined(_KERNEL) */
#define F_SETLK 6 /* Set file lock */
#define F_SETLKW 7 /* Set file lock and wait */
#define F_CHKFL 8 /* Reserved */
#define F_ALLOCSP 10 /* Reserved */
#define F_FREESP 11 /* Free file space */
#define F_ISSTREAM 13 /* Is the file desc. a stream ? */
#define F_PRIV 15 /* Turn on private access to file */
#define F_NPRIV 16 /* Turn off private access to file */
#define F_QUOTACTL 17 /* UFS quota call */
#define F_BLOCKS 18 /* Get number of BLKSIZE blocks allocated */
#define F_BLKSIZE 19 /* Get optimal I/O block size */
#define F_GETOWN 23 /* Get owner */
#define F_SETOWN 24 /* Set owner */
/* flags for F_GETFL, F_SETFL-- copied from <sys/file.h> */
#ifndef FOPEN
#define FOPEN 0xFFFFFFFF
#define FREAD 0x01
#define FWRITE 0x02
#define FNDELAY 0x04
#define FAPPEND 0x08
#define FSYNC 0x10
#define FNONBLOCK 0x80
#define FMASK 0xFF /* should be disjoint from FASYNC */
/* open-only modes */
#define FCREAT 0x0100
#define FTRUNC 0x0200
#define FEXCL 0x0400
#define FNOCTTY 0x0800
#define FASYNC 0x1000
/* file descriptor flags */
#define FCLOSEXEC 001 /* close on exec */
#endif
/*
* File segment locking set data type - information passed to system by user.
*/
#if defined(_KERNEL) || defined(_KMEMUSER)
/* EFT definition */
typedef struct flock {
short l_type;
short l_whence;
off_t l_start;
off_t l_len; /* len == 0 means until end of file */
int l_sysid;
pid_t l_pid;
long pad[4]; /* reserve area */
} flock_t;
typedef struct o_flock {
short l_type;
short l_whence;
int l_start;
int l_len; /* len == 0 means until end of file */
short l_sysid;
o_pid_t l_pid;
} o_flock_t;
#else /* user level definition */
#if defined(_STYPES)
/* SVR3 definition */
typedef struct flock {
short l_type;
short l_whence;
off_t l_start;
off_t l_len; /* len == 0 means until end of file */
short l_sysid;
o-pid_t l_pid;
} flock_t;
#else
typedef struct flock {
short l_type;
short l_whence;
off_t l_start;
off_t l_len; /* len == 0 means until end of file */
int l_sysid;
pid_t l_pid;
long pad[4]; /* reserve area */
} flock_t;
#endif /* define(_STYPES) */
#endif /* defined(_KERNEL) */
/*
* File segment locking types.
*/
#define F_RDLCK 01 /* Read lock */
#define F_WRLCK 02 /* Write lock */
#define F_UNLCK 03 /* Remove lock(s) */
/*
* POSIX constants
*/
#define O_ACCMODE 3 /* Mask for file access modes */
#define FD_CLOEXEC 1 /* close on exec flag */
/* large file compilation environment setup */
#if !defined(_LP64) && _FILE_OFFSET_BITS == 64
#ifdef __PRAGMA_REDEFINE_EXTNAME
#pragma redefine_extname open open64
#pragma redefine_extname creat creat64
#else
#define open open64
#define creat creat64
#endif
#endif /* !_LP64 && _FILE_OFFSET_BITS == 64 */
#if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
#ifdef __PRAGMA_REDEFINE_EXTNAME
#pragma redefine_extname open64 open
#pragma redefine_extname creat64 creat
#else
#define open64 open
#define creat64 creat
#endif
#endif /* _LP64 && _LARGEFILE64_SOURCE */
#if defined(__STDC__)
extern int fcntl(int, int, ...);
extern int open(const char *, int, ...);
extern int creat(const char *, mode_t);
#if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
!defined(__PRAGMA_REDEFINE_EXTNAME))
extern int open64(const char *, int, ...);
extern int creat64(const char *, mode_t);
#endif
#endif
#ifdef __cplusplus
}
#endif
#endif /* _SYS_FCNTL_H */
|
