Change sendfile() to use the new m_ext callback scheme for cleaning up after
[dragonfly.git] / sys / sys / stat.h
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1/*-
2 * Copyright (c) 1982, 1986, 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 * (c) UNIX System Laboratories, Inc.
5 * All or some portions of this file are derived from material licensed
6 * to the University of California by American Telephone and Telegraph
7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8 * the permission of UNIX System Laboratories, Inc.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the University of
21 * California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * @(#)stat.h 8.12 (Berkeley) 6/16/95
39 * $FreeBSD: src/sys/sys/stat.h,v 1.20 1999/12/29 04:24:47 peter Exp $
b153f746 40 * $DragonFly: src/sys/sys/stat.h,v 1.3 2003/08/20 07:31:21 rob Exp $
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41 */
42
43#ifndef _SYS_STAT_H_
44#define _SYS_STAT_H_
45
46#if !defined(_KERNEL) && !defined(_POSIX_SOURCE)
47/*
48 * XXX we need this for struct timespec. We get miscellaneous namespace
49 * pollution with it.
50 */
51#include <sys/time.h>
52#endif
53
54#ifdef _KERNEL
55#define __dev_t udev_t
56#else
57#define __dev_t dev_t
58#endif
59
60#ifndef _POSIX_SOURCE
61struct ostat {
62 u_int16_t st_dev; /* inode's device */
63 ino_t st_ino; /* inode's number */
64 mode_t st_mode; /* inode protection mode */
65 nlink_t st_nlink; /* number of hard links */
66 u_int16_t st_uid; /* user ID of the file's owner */
67 u_int16_t st_gid; /* group ID of the file's group */
68 u_int16_t st_rdev; /* device type */
69 int32_t st_size; /* file size, in bytes */
70 struct timespec st_atimespec; /* time of last access */
71 struct timespec st_mtimespec; /* time of last data modification */
72 struct timespec st_ctimespec; /* time of last file status change */
73 int32_t st_blksize; /* optimal blocksize for I/O */
74 int32_t st_blocks; /* blocks allocated for file */
75 u_int32_t st_flags; /* user defined flags for file */
76 u_int32_t st_gen; /* file generation number */
77};
78#endif /* !_POSIX_SOURCE */
79
80struct stat {
81 __dev_t st_dev; /* inode's device */
82 ino_t st_ino; /* inode's number */
83 mode_t st_mode; /* inode protection mode */
84 nlink_t st_nlink; /* number of hard links */
85 uid_t st_uid; /* user ID of the file's owner */
86 gid_t st_gid; /* group ID of the file's group */
87 __dev_t st_rdev; /* device type */
88#ifndef _POSIX_SOURCE
89 struct timespec st_atimespec; /* time of last access */
90 struct timespec st_mtimespec; /* time of last data modification */
91 struct timespec st_ctimespec; /* time of last file status change */
92#else
93 time_t st_atime; /* time of last access */
94 long st_atimensec; /* nsec of last access */
95 time_t st_mtime; /* time of last data modification */
96 long st_mtimensec; /* nsec of last data modification */
97 time_t st_ctime; /* time of last file status change */
98 long st_ctimensec; /* nsec of last file status change */
99#endif
100 off_t st_size; /* file size, in bytes */
101 int64_t st_blocks; /* blocks allocated for file */
102 u_int32_t st_blksize; /* optimal blocksize for I/O */
103 u_int32_t st_flags; /* user defined flags for file */
104 u_int32_t st_gen; /* file generation number */
105 int32_t st_lspare;
106 int64_t st_qspare[2];
107};
108
109#ifndef _POSIX_SOURCE
110struct nstat {
111 __dev_t st_dev; /* inode's device */
112 ino_t st_ino; /* inode's number */
113 u_int32_t st_mode; /* inode protection mode */
114 u_int32_t st_nlink; /* number of hard links */
115 uid_t st_uid; /* user ID of the file's owner */
116 gid_t st_gid; /* group ID of the file's group */
117 __dev_t st_rdev; /* device type */
118#ifndef _POSIX_SOURCE
119 struct timespec st_atimespec; /* time of last access */
120 struct timespec st_mtimespec; /* time of last data modification */
121 struct timespec st_ctimespec; /* time of last file status change */
122#else
123 time_t st_atime; /* time of last access */
124 long st_atimensec; /* nsec of last access */
125 time_t st_mtime; /* time of last data modification */
126 long st_mtimensec; /* nsec of last data modification */
127 time_t st_ctime; /* time of last file status change */
128 long st_ctimensec; /* nsec of last file status change */
129#endif
130 off_t st_size; /* file size, in bytes */
131 int64_t st_blocks; /* blocks allocated for file */
132 u_int32_t st_blksize; /* optimal blocksize for I/O */
133 u_int32_t st_flags; /* user defined flags for file */
134 u_int32_t st_gen; /* file generation number */
135 int64_t st_qspare[2];
136};
137#endif
138
139#undef __dev_t
140
141#ifndef _POSIX_SOURCE
142#define st_atime st_atimespec.tv_sec
143#define st_mtime st_mtimespec.tv_sec
144#define st_ctime st_ctimespec.tv_sec
145#endif
146
147#define S_ISUID 0004000 /* set user id on execution */
148#define S_ISGID 0002000 /* set group id on execution */
149#ifndef _POSIX_SOURCE
150#define S_ISTXT 0001000 /* sticky bit */
151#endif
152
153#define S_IRWXU 0000700 /* RWX mask for owner */
154#define S_IRUSR 0000400 /* R for owner */
155#define S_IWUSR 0000200 /* W for owner */
156#define S_IXUSR 0000100 /* X for owner */
157
158#ifndef _POSIX_SOURCE
159#define S_IREAD S_IRUSR
160#define S_IWRITE S_IWUSR
161#define S_IEXEC S_IXUSR
162#endif
163
164#define S_IRWXG 0000070 /* RWX mask for group */
165#define S_IRGRP 0000040 /* R for group */
166#define S_IWGRP 0000020 /* W for group */
167#define S_IXGRP 0000010 /* X for group */
168
169#define S_IRWXO 0000007 /* RWX mask for other */
170#define S_IROTH 0000004 /* R for other */
171#define S_IWOTH 0000002 /* W for other */
172#define S_IXOTH 0000001 /* X for other */
173
174#ifndef _POSIX_SOURCE
175#define S_IFMT 0170000 /* type of file mask */
176#define S_IFIFO 0010000 /* named pipe (fifo) */
177#define S_IFCHR 0020000 /* character special */
178#define S_IFDIR 0040000 /* directory */
179#define S_IFBLK 0060000 /* block special */
180#define S_IFREG 0100000 /* regular */
181#define S_IFLNK 0120000 /* symbolic link */
182#define S_IFSOCK 0140000 /* socket */
183#define S_IFWHT 0160000 /* whiteout */
184#define S_ISVTX 0001000 /* save swapped text even after use */
185#endif
186
187#define S_ISDIR(m) (((m) & 0170000) == 0040000) /* directory */
188#define S_ISCHR(m) (((m) & 0170000) == 0020000) /* char special */
189#define S_ISBLK(m) (((m) & 0170000) == 0060000) /* block special */
190#define S_ISREG(m) (((m) & 0170000) == 0100000) /* regular file */
191#define S_ISFIFO(m) (((m) & 0170000) == 0010000) /* fifo or socket */
192#ifndef _POSIX_SOURCE
193#define S_ISLNK(m) (((m) & 0170000) == 0120000) /* symbolic link */
194#define S_ISSOCK(m) (((m) & 0170000) == 0140000) /* socket */
195#define S_ISWHT(m) (((m) & 0170000) == 0160000) /* whiteout */
196#endif
197
198#ifndef _POSIX_SOURCE
199#define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) /* 0777 */
200 /* 7777 */
201#define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
202 /* 0666 */
203#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
204
205#define S_BLKSIZE 512 /* block size used in the stat struct */
206
207/*
208 * Definitions of flags stored in file flags word.
209 *
210 * Super-user and owner changeable flags.
211 */
212#define UF_SETTABLE 0x0000ffff /* mask of owner changeable flags */
213#define UF_NODUMP 0x00000001 /* do not dump file */
214#define UF_IMMUTABLE 0x00000002 /* file may not be changed */
215#define UF_APPEND 0x00000004 /* writes to file may only append */
216#define UF_OPAQUE 0x00000008 /* directory is opaque wrt. union */
217#define UF_NOUNLINK 0x00000010 /* file may not be removed or renamed */
218/*
219 * Super-user changeable flags.
220 */
221#define SF_SETTABLE 0xffff0000 /* mask of superuser changeable flags */
222#define SF_ARCHIVED 0x00010000 /* file is archived */
223#define SF_IMMUTABLE 0x00020000 /* file may not be changed */
224#define SF_APPEND 0x00040000 /* writes to file may only append */
225#define SF_NOUNLINK 0x00100000 /* file may not be removed or renamed */
226
227#ifdef _KERNEL
228/*
229 * Shorthand abbreviations of above.
230 */
231#define OPAQUE (UF_OPAQUE)
232#define APPEND (UF_APPEND | SF_APPEND)
233#define IMMUTABLE (UF_IMMUTABLE | SF_IMMUTABLE)
234#define NOUNLINK (UF_NOUNLINK | SF_NOUNLINK)
235#endif
236
237#endif /* !_POSIX_SOURCE */
238
239#ifndef _KERNEL
240#include <sys/cdefs.h>
241
242__BEGIN_DECLS
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243int chmod (const char *, mode_t);
244int fstat (int, struct stat *);
245int mkdir (const char *, mode_t);
246int mkfifo (const char *, mode_t);
247int stat (const char *, struct stat *);
248mode_t umask (mode_t);
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249
250#ifndef _POSIX_SOURCE
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251int chflags (const char *, u_long);
252int fchflags (int, u_long);
253int fchmod (int, mode_t);
254int lchmod (const char *, mode_t);
255int lstat (const char *, struct stat *);
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256#endif
257__END_DECLS
258
259#endif /* !_KERNEL */
260
261#endif /* !_SYS_STAT_H_ */