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
|
/*
* 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 (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright 2014 Garrett D'Amore <garrett@damore.org>
*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_STATVFS_H
#define _SYS_STATVFS_H
#include <sys/feature_tests.h>
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Structure returned by statvfs(2).
*/
#define _FSTYPSZ 16
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
#ifndef FSTYPSZ
#define FSTYPSZ _FSTYPSZ
#endif
#endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
typedef struct statvfs {
unsigned long f_bsize; /* fundamental file system block size */
unsigned long f_frsize; /* fragment size */
fsblkcnt_t f_blocks; /* total blocks of f_frsize on fs */
fsblkcnt_t f_bfree; /* total free blocks of f_frsize */
fsblkcnt_t f_bavail; /* free blocks avail to non-superuser */
fsfilcnt_t f_files; /* total file nodes (inodes) */
fsfilcnt_t f_ffree; /* total free file nodes */
fsfilcnt_t f_favail; /* free nodes avail to non-superuser */
unsigned long f_fsid; /* file system id (dev for now) */
char f_basetype[_FSTYPSZ]; /* target fs type name, */
/* null-terminated */
unsigned long f_flag; /* bit-mask of flags */
unsigned long f_namemax; /* maximum file name length */
char f_fstr[32]; /* filesystem-specific string */
#if !defined(_LP64)
unsigned long f_filler[16]; /* reserved for future expansion */
#endif
} statvfs_t;
#if defined(_SYSCALL32)
/* Kernel view of user ILP32 statvfs structure */
typedef struct statvfs32 {
uint32_t f_bsize; /* fundamental file system block size */
uint32_t f_frsize; /* fragment size */
fsblkcnt32_t f_blocks; /* total blocks of f_frsize on fs */
fsblkcnt32_t f_bfree; /* total free blocks of f_frsize */
fsblkcnt32_t f_bavail; /* free blocks avail to non-superuser */
fsfilcnt32_t f_files; /* total file nodes (inodes) */
fsfilcnt32_t f_ffree; /* total free file nodes */
fsfilcnt32_t f_favail; /* free nodes avail to non-superuser */
uint32_t f_fsid; /* file system id (dev for now) */
char f_basetype[_FSTYPSZ]; /* target fs type name, */
/* null-terminated */
uint32_t f_flag; /* bit-mask of flags */
uint32_t f_namemax; /* maximum file name length */
char f_fstr[32]; /* filesystem-specific string */
uint32_t f_filler[16]; /* reserved for future expansion */
} statvfs32_t;
#endif /* _SYSCALL32 */
/* transitional large file interface version */
#if defined(_LARGEFILE64_SOURCE)
typedef struct statvfs64 {
unsigned long f_bsize; /* preferred file system block size */
unsigned long f_frsize; /* fundamental file system block size */
fsblkcnt64_t f_blocks; /* total blocks of f_frsize */
fsblkcnt64_t f_bfree; /* total free blocks of f_frsize */
fsblkcnt64_t f_bavail; /* free blocks avail to non-superuser */
fsfilcnt64_t f_files; /* total # of file nodes (inodes) */
fsfilcnt64_t f_ffree; /* total # of free file nodes */
fsfilcnt64_t f_favail; /* free nodes avail to non-superuser */
unsigned long f_fsid; /* file system id (dev for now) */
char f_basetype[FSTYPSZ]; /* target fs type name, */
/* null-terminated */
unsigned long f_flag; /* bit-mask of flags */
unsigned long f_namemax; /* maximum file name length */
char f_fstr[32]; /* filesystem-specific string */
#if !defined(_LP64)
unsigned long f_filler[16]; /* reserved for future expansion */
#endif /* _LP64 */
} statvfs64_t;
#endif
#if defined(_SYSCALL32)
/* Kernel view of user ILP32 statvfs64 structure */
#if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
#pragma pack(4)
#endif
typedef struct statvfs64_32 {
uint32_t f_bsize; /* preferred file system block size */
uint32_t f_frsize; /* fundamental file system block size */
fsblkcnt64_t f_blocks; /* total blocks of f_frsize */
fsblkcnt64_t f_bfree; /* total free blocks of f_frsize */
fsblkcnt64_t f_bavail; /* free blocks avail to non-superuser */
fsfilcnt64_t f_files; /* total # of file nodes (inodes) */
fsfilcnt64_t f_ffree; /* total # of free file nodes */
fsfilcnt64_t f_favail; /* free nodes avail to non-superuser */
uint32_t f_fsid; /* file system id (dev for now) */
char f_basetype[FSTYPSZ]; /* target fs type name, */
/* null-terminated */
uint32_t f_flag; /* bit-mask of flags */
uint32_t f_namemax; /* maximum file name length */
char f_fstr[32]; /* filesystem-specific string */
uint32_t f_filler[16]; /* reserved for future expansion */
} statvfs64_32_t;
#if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
#pragma pack()
#endif
#endif /* _SYSCALL32 */
/*
* Flag definitions.
*/
#define ST_RDONLY 0x01 /* read-only file system */
#define ST_NOSUID 0x02 /* does not support setuid/setgid semantics */
#define ST_NOTRUNC 0x04 /* does not truncate long file names */
#if !defined(_KERNEL)
/*
* large file compilation environment setup
*/
#if !defined(_LP64) && _FILE_OFFSET_BITS == 64
#ifdef __PRAGMA_REDEFINE_EXTNAME
#pragma redefine_extname statvfs statvfs64
#pragma redefine_extname fstatvfs fstatvfs64
#else
#define statvfs_t statvfs64_t
#define statvfs statvfs64
#define fstatvfs fstatvfs64
#endif
#endif /* !_LP64 && _FILE_OFFSET_BITS == 64 */
#if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
/*
* In the LP64 compilation environment, map large file interfaces
* back to native versions where possible.
*/
#ifdef __PRAGMA_REDEFINE_EXTNAME
#pragma redefine_extname statvfs64 statvfs
#pragma redefine_extname fstatvfs64 fstatvfs
#else
#define statvfs64_t statvfs_t
#define statvfs64 statvfs
#define fstatvfs64 fstatvfs
#endif
#endif /* _LP64 && _LARGEFILE64_SOURCE */
int statvfs(const char *_RESTRICT_KYWD, statvfs_t *_RESTRICT_KYWD);
int fstatvfs(int, statvfs_t *);
/* transitional large file interface versions */
#if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
!defined(__PRAGMA_REDEFINE_EXTNAME))
int statvfs64(const char *_RESTRICT_KYWD, statvfs64_t *_RESTRICT_KYWD);
int fstatvfs64(int, statvfs64_t *);
#endif /* _LARGEFILE64_SOURCE... */
#endif /* !defined(_KERNEL) */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_STATVFS_H */
|
