FreeBSD/Linux Kernel Cross Reference
sys/sys/types.h
1 /* $OpenBSD: types.h,v 1.49 2022/08/06 13:31:13 semarie Exp $ */
2 /* $NetBSD: types.h,v 1.29 1996/11/15 22:48:25 jtc Exp $ */
3
4 /*-
5 * Copyright (c) 1982, 1986, 1991, 1993
6 * The Regents of the University of California. All rights reserved.
7 * (c) UNIX System Laboratories, Inc.
8 * All or some portions of this file are derived from material licensed
9 * to the University of California by American Telephone and Telegraph
10 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
11 * the permission of UNIX System Laboratories, Inc.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * @(#)types.h 8.4 (Berkeley) 1/21/94
38 */
39
40 #ifndef _SYS_TYPES_H_
41 #define _SYS_TYPES_H_
42
43 #include <sys/cdefs.h>
44 #if __BSD_VISIBLE
45 #include <sys/endian.h>
46 #else
47 #include <sys/_endian.h>
48 #endif
49
50 #if __BSD_VISIBLE
51 typedef unsigned char u_char;
52 typedef unsigned short u_short;
53 typedef unsigned int u_int;
54 typedef unsigned long u_long;
55
56 typedef unsigned char unchar; /* Sys V compatibility */
57 typedef unsigned short ushort; /* Sys V compatibility */
58 typedef unsigned int uint; /* Sys V compatibility */
59 typedef unsigned long ulong; /* Sys V compatibility */
60
61 typedef __cpuid_t cpuid_t; /* CPU id */
62 typedef __register_t register_t; /* register-sized type */
63 #endif /* __BSD_VISIBLE */
64
65 /*
66 * XXX The exact-width bit types should only be exposed if __BSD_VISIBLE
67 * but the rest of the includes are not ready for that yet.
68 */
69 #ifndef __BIT_TYPES_DEFINED__
70 #define __BIT_TYPES_DEFINED__
71 #endif
72
73 #ifndef _INT8_T_DEFINED_
74 #define _INT8_T_DEFINED_
75 typedef __int8_t int8_t;
76 #endif
77
78 #ifndef _UINT8_T_DEFINED_
79 #define _UINT8_T_DEFINED_
80 typedef __uint8_t uint8_t;
81 #endif
82
83 #ifndef _INT16_T_DEFINED_
84 #define _INT16_T_DEFINED_
85 typedef __int16_t int16_t;
86 #endif
87
88 #ifndef _UINT16_T_DEFINED_
89 #define _UINT16_T_DEFINED_
90 typedef __uint16_t uint16_t;
91 #endif
92
93 #ifndef _INT32_T_DEFINED_
94 #define _INT32_T_DEFINED_
95 typedef __int32_t int32_t;
96 #endif
97
98 #ifndef _UINT32_T_DEFINED_
99 #define _UINT32_T_DEFINED_
100 typedef __uint32_t uint32_t;
101 #endif
102
103 #ifndef _INT64_T_DEFINED_
104 #define _INT64_T_DEFINED_
105 typedef __int64_t int64_t;
106 #endif
107
108 #ifndef _UINT64_T_DEFINED_
109 #define _UINT64_T_DEFINED_
110 typedef __uint64_t uint64_t;
111 #endif
112
113 /* BSD-style unsigned bits types */
114 typedef __uint8_t u_int8_t;
115 typedef __uint16_t u_int16_t;
116 typedef __uint32_t u_int32_t;
117 typedef __uint64_t u_int64_t;
118
119 /* quads, deprecated in favor of 64 bit int types */
120 typedef __int64_t quad_t;
121 typedef __uint64_t u_quad_t;
122
123 #if __BSD_VISIBLE
124 /* VM system types */
125 typedef __vaddr_t vaddr_t;
126 typedef __paddr_t paddr_t;
127 typedef __vsize_t vsize_t;
128 typedef __psize_t psize_t;
129 #endif /* __BSD_VISIBLE */
130
131 /* Standard system types */
132 typedef __blkcnt_t blkcnt_t; /* blocks allocated for file */
133 typedef __blksize_t blksize_t; /* optimal blocksize for I/O */
134 typedef char * caddr_t; /* core address */
135 typedef __int32_t daddr32_t; /* 32-bit disk address */
136 typedef __int64_t daddr_t; /* 64-bit disk address */
137 typedef __dev_t dev_t; /* device number */
138 typedef __fixpt_t fixpt_t; /* fixed point number */
139 typedef __gid_t gid_t; /* group id */
140 typedef __id_t id_t; /* may contain pid, uid or gid */
141 typedef __ino_t ino_t; /* inode number */
142 typedef __key_t key_t; /* IPC key (for Sys V IPC) */
143 typedef __mode_t mode_t; /* permissions */
144 typedef __nlink_t nlink_t; /* link count */
145 typedef __rlim_t rlim_t; /* resource limit */
146 typedef __segsz_t segsz_t; /* segment size */
147 typedef __uid_t uid_t; /* user id */
148 typedef __useconds_t useconds_t; /* microseconds */
149 typedef __suseconds_t suseconds_t; /* microseconds (signed) */
150 typedef __fsblkcnt_t fsblkcnt_t; /* file system block count */
151 typedef __fsfilcnt_t fsfilcnt_t; /* file system file count */
152
153 /*
154 * The following types may be defined in multiple header files.
155 */
156 #ifndef _CLOCK_T_DEFINED_
157 #define _CLOCK_T_DEFINED_
158 typedef __clock_t clock_t;
159 #endif
160
161 #ifndef _CLOCKID_T_DEFINED_
162 #define _CLOCKID_T_DEFINED_
163 typedef __clockid_t clockid_t;
164 #endif
165
166 #ifndef _PID_T_DEFINED_
167 #define _PID_T_DEFINED_
168 typedef __pid_t pid_t;
169 #endif
170
171 #ifndef _SIZE_T_DEFINED_
172 #define _SIZE_T_DEFINED_
173 typedef __size_t size_t;
174 #endif
175
176 #ifndef _SSIZE_T_DEFINED_
177 #define _SSIZE_T_DEFINED_
178 typedef __ssize_t ssize_t;
179 #endif
180
181 #ifndef _TIME_T_DEFINED_
182 #define _TIME_T_DEFINED_
183 typedef __time_t time_t;
184 #endif
185
186 #ifndef _TIMER_T_DEFINED_
187 #define _TIMER_T_DEFINED_
188 typedef __timer_t timer_t;
189 #endif
190
191 #ifndef _OFF_T_DEFINED_
192 #define _OFF_T_DEFINED_
193 typedef __off_t off_t;
194 #endif
195
196 /*
197 * These belong in unistd.h, but are placed here too to ensure that
198 * long arguments will be promoted to off_t if the program fails to
199 * include that header or explicitly cast them to off_t.
200 */
201 #if __BSD_VISIBLE && !defined(_KERNEL)
202 __BEGIN_DECLS
203 off_t lseek(int, off_t, int);
204 int ftruncate(int, off_t);
205 int truncate(const char *, off_t);
206 __END_DECLS
207 #endif /* __BSD_VISIBLE && !_KERNEL */
208
209 #if __BSD_VISIBLE
210 /* Major, minor numbers, dev_t's. */
211 #define major(x) (((unsigned)(x) >> 8) & 0xff)
212 #define minor(x) ((unsigned)((x) & 0xff) | (((x) & 0xffff0000) >> 8))
213 #define makedev(x,y) ((dev_t)((((x) & 0xff) << 8) | ((y) & 0xff) | (((y) & 0xffff00) << 8)))
214 #endif
215
216 #if defined(__STDC__) && defined(_KERNEL)
217 /*
218 * Forward structure declarations for function prototypes. We include the
219 * common structures that cross subsystem boundaries here; others are mostly
220 * used in the same place that the structure is defined.
221 */
222 struct proc;
223 struct pgrp;
224 struct ucred;
225 struct rusage;
226 struct file;
227 struct buf;
228 struct tty;
229 struct uio;
230 #endif
231
232 #ifdef _KERNEL
233 #if defined(__GNUC__) || \
234 (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901)
235 /* Support for C99: type _Bool is already built-in. */
236 #define false 0
237 #define true 1
238
239 #else
240 /* `_Bool' type must promote to `int' or `unsigned int'. */
241 typedef enum {
242 false = 0,
243 true = 1
244 } _Bool;
245
246 /* And those constants must also be available as macros. */
247 #define false false
248 #define true true
249
250 #endif
251
252 /* User visible type `bool' is provided as a macro which may be redefined */
253 #define bool _Bool
254
255 /* Inform that everything is fine */
256 #define __bool_true_false_are_defined 1
257
258 #endif /* _KERNEL */
259
260 #endif /* !_SYS_TYPES_H_ */
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