xref: /dragonfly/sys/sys/types.h (revision 9348a738)
1 /*-
2  * Copyright (c) 1982, 1986, 1991, 1993, 1994
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. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  *	@(#)types.h	8.6 (Berkeley) 2/19/95
35  * $FreeBSD: src/sys/sys/types.h,v 1.40.2.2 2001/04/21 14:53:06 ume Exp $
36  */
37 
38 #ifndef _SYS_TYPES_H_
39 #define	_SYS_TYPES_H_
40 
41 #ifndef _SYS_CDEFS_H_
42 #include <sys/cdefs.h>
43 #endif
44 #ifndef _STDINT_H_
45 #include <stdint.h>
46 #endif
47 #include <machine/stdarg.h>
48 #include <machine/endian.h>
49 #ifndef _MACHINE_TYPES_H_
50 #include <machine/types.h>
51 #endif
52 #ifndef _SYS_STDINT_H_
53 #include <sys/stdint.h>
54 #endif
55 #ifndef _SYS__PTHREADTYPES_H_
56 #include <sys/_pthreadtypes.h>
57 #endif
58 
59 #if __BSD_VISIBLE
60 typedef	unsigned char	u_char;
61 typedef	unsigned short	u_short;
62 typedef	unsigned int	u_int;
63 typedef	unsigned long	u_long;
64 
65 typedef	unsigned char	unchar;		/* Sys V compatibility */
66 typedef	unsigned short	ushort;		/* Sys V compatibility */
67 typedef	unsigned int	uint;		/* Sys V compatibility */
68 typedef	unsigned long	ulong;		/* Sys V compatibility */
69 #endif
70 
71 typedef	__uint8_t	u_int8_t;
72 typedef	__uint16_t	u_int16_t;
73 typedef	__uint32_t	u_int32_t;
74 typedef	__uint64_t	u_int64_t;
75 typedef	__uint64_t	u_quad_t;	/* quads */
76 typedef	__int64_t	quad_t;
77 typedef	quad_t *	qaddr_t;
78 
79 typedef	__int64_t	blkcnt_t;	/* file block count */
80 typedef	__int64_t	blksize_t;	/* block size */
81 typedef	char *		caddr_t;	/* core address */
82 typedef	const char *	c_caddr_t;	/* core address, pointer to const */
83 typedef	volatile char *	v_caddr_t;	/* core address, pointer to volatile */
84 typedef	__int32_t	daddr_t;	/* disk address */
85 typedef	__uint32_t	u_daddr_t;	/* unsigned disk address */
86 typedef	__uint32_t	fixpt_t;	/* fixed point number */
87 typedef	__uint64_t	fsblkcnt_t;	/* filesystem block count */
88 typedef	__uint64_t	fsfilcnt_t;	/* filesystem file count */
89 #ifndef _GID_T_DECLARED
90 typedef	__uint32_t	gid_t;		/* group id */
91 #define	_GID_T_DECLARED
92 #endif
93 typedef	__int64_t	id_t;		/* general id, can hold gid/pid/uid_t */
94 typedef	__uint32_t	in_addr_t;	/* base type for internet address */
95 typedef	__uint16_t	in_port_t;
96 typedef	__uint64_t	ino_t;		/* inode number */
97 typedef	long		key_t;		/* IPC key (for Sys V IPC) */
98 typedef	__uint16_t	mode_t;		/* permissions */
99 typedef	__uint32_t	nlink_t;	/* link count */
100 #ifndef _OFF_T_DECLARED
101 typedef	__off_t		off_t;		/* file offset */
102 #define	_OFF_T_DECLARED
103 #endif
104 #ifndef _PID_T_DECLARED
105 typedef	__pid_t		pid_t;		/* process id */
106 #define	_PID_T_DECLARED
107 #endif
108 typedef	__pid_t		lwpid_t;	/* light weight process id */
109 typedef	quad_t		rlim_t;		/* resource limit */
110 typedef	__segsz_t	segsz_t;	/* segment size */
111 #ifndef _SUSECONDS_T_DECLARED
112 typedef	long		suseconds_t;	/* microseconds (signed) */
113 #define	_SUSECONDS_T_DECLARED
114 #endif
115 #ifndef _UID_T_DECLARED
116 typedef	__uint32_t	uid_t;		/* user id */
117 #define	_UID_T_DECLARED
118 #endif
119 typedef	__uint32_t	useconds_t;	/* microseconds (unsigned) */
120 typedef	int		mqd_t;		/* message queue descriptor */
121 
122 #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES)
123 
124 #ifndef __BOOLEAN_T_DEFINED__
125 #define	__BOOLEAN_T_DEFINED__
126 typedef	__boolean_t	boolean_t;
127 #endif
128 
129 typedef	u_int64_t	uoff_t;
130 
131 #ifdef _KERNEL
132 #if !defined(__bool_true_false_are_defined) && !defined(__cplusplus)
133 #define	__bool_true_false_are_defined	1
134 #define	false	0
135 #define	true	1
136 #if __STDC_VERSION__ < 199901L && __GNUC__ < 3
137 typedef	int	_Bool;
138 #endif
139 typedef	_Bool	bool;
140 #endif /* !__bool_true_false_are_defined && !__cplusplus */
141 #endif /* _KERNEL */
142 
143 #endif /* _KERNEL || _KERNEL_STRUCTURES */
144 
145 /*
146  * XXX cdev_t has different meanings for userland vs kernel compiles.  What
147  * do we do for _KERNEL_STRUCTURES ?  For the moment stick with the userland
148  * meaning as being the more compatible solution.
149  */
150 
151 #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES)
152 
153 struct cdev;
154 
155 typedef	u_int32_t	udev_t;		/* device number */
156 typedef	struct cdev	*cdev_t;
157 
158 #endif
159 
160 /*
161  * The kernel now uses only udev_t or cdev_t.  Userland uses dev_t.
162  * Virtual kernel builds needs dev_t in order to include userland header
163  * files.
164  */
165 #ifdef _KERNEL
166 
167 #define	offsetof(type, field) __offsetof(type, field)
168 typedef	udev_t		dev_t;		/* device number */
169 
170 #else
171 
172 typedef	u_int32_t	dev_t;		/* device number */
173 #define	udev_t dev_t
174 
175 #if __BSD_VISIBLE
176 
177 /*
178  * minor() gives a cookie instead of an index since we don't want to
179  * change the meanings of bits 0-15 or waste time and space shifting
180  * bits 16-31 for devices that don't use them.
181  */
182 #define	major(x)	((int)(((u_int)(x) >> 8)&0xff)) /* major number */
183 #define	minor(x)	((int)((x)&0xffff00ff))         /* minor number */
184 #define	makedev(x,y)	((dev_t)(((x) << 8) | (y)))     /* create dev_t */
185 
186 #endif /* __BSD_VISIBLE */
187 
188 #endif /* !_KERNEL */
189 
190 #ifndef _CLOCK_T_DECLARED
191 #define	_CLOCK_T_DECLARED
192 typedef	__clock_t	clock_t;
193 #endif
194 
195 #ifndef _CLOCKID_T_DECLARED
196 #define	_CLOCKID_T_DECLARED
197 typedef	__clockid_t	clockid_t;
198 #endif
199 
200 #ifndef _SIZE_T_DECLARED
201 #define	_SIZE_T_DECLARED
202 typedef	__size_t	size_t;		/* _GCC_SIZE_T OK */
203 #endif
204 
205 #ifndef _SSIZE_T_DECLARED
206 #define	_SSIZE_T_DECLARED
207 typedef	__ssize_t	ssize_t;
208 #endif
209 
210 #ifndef _TIME_T_DECLARED
211 #define	_TIME_T_DECLARED
212 typedef	__time_t	time_t;
213 #endif
214 
215 #ifndef _TIMER_T_DECLARED
216 #define	_TIMER_T_DECLARED
217 typedef	__timer_t	timer_t;
218 #endif
219 
220 #if __BSD_VISIBLE
221 
222 #include <sys/fd_set.h>
223 #include <sys/_timeval.h>
224 
225 #define	NBBY 8		/* number of bits in a byte */
226 /*
227  * These declarations belong elsewhere, but are repeated here and in
228  * <stdio.h> to give broken programs a better chance of working with
229  * 64-bit off_t's.
230  */
231 #ifndef _KERNEL
232 __BEGIN_DECLS
233 #ifndef _FTRUNCATE_DECLARED
234 #define	_FTRUNCATE_DECLARED
235 int	 ftruncate(int, off_t);
236 #endif
237 #ifndef _LSEEK_DECLARED
238 #define	_LSEEK_DECLARED
239 off_t	 lseek(int, off_t, int);
240 #endif
241 #ifndef _MMAP_DECLARED
242 #define	_MMAP_DECLARED
243 void *	 mmap(void *, size_t, int, int, int, off_t);
244 #endif
245 #ifndef _TRUNCATE_DECLARED
246 #define	_TRUNCATE_DECLARED
247 int	 truncate(const char *, off_t);
248 #endif
249 __END_DECLS
250 #endif /* !_KERNEL */
251 
252 #endif /* __BSD_VISIBLE */
253 
254 /*
255  * rune_t is declared to be an ``int'' instead of the more natural
256  * ``unsigned long'' or ``long''.  Two things are happening here.  It is not
257  * unsigned so that EOF (-1) can be naturally assigned to it and used.  Also,
258  * it looks like 10646 will be a 31 bit standard.  This means that if your
259  * ints cannot hold 32 bits, you will be in trouble.  The reason an int was
260  * chosen over a long is that the is*() and to*() routines take ints (says
261  * ANSI C), but they use __ct_rune_t instead of int.
262  *
263  * NOTE: rune_t is not covered by ANSI nor other standards, and should not
264  * be instantiated outside of lib/libc/locale.  Use wchar_t.  wint_t and
265  * rune_t must be the same type.  Also, wint_t should be able to hold all
266  * members of the largest character set plus one extra value (WEOF), and
267  * must be at least 16 bits.
268  */
269 typedef	int		__ct_rune_t;	/* arg type for ctype funcs */
270 #ifndef ___RUNE_T_DECLARED
271 typedef	__ct_rune_t	__rune_t;	/* rune_t (see above) */
272 #define	___RUNE_T_DECLARED
273 #endif
274 #ifndef ___WINT_T_DECLARED
275 typedef	__ct_rune_t	__wint_t;	/* wint_t (see above) */
276 #define	___WINT_T_DECLARED
277 #endif
278 
279 /*
280  * Also required for locale support
281  */
282 typedef	int		__nl_item;
283 
284 /* Clang already provides these types as built-ins, but only in c++ mode. */
285 #if !defined(__clang__) || !defined(__cplusplus)
286 typedef	__uint_least16_t	__char16_t;
287 typedef	__uint_least32_t	__char32_t;
288 #endif
289 
290 #endif /* !_SYS_TYPES_H_ */
291