types.h revision 105650
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. 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 *	@(#)types.h	8.6 (Berkeley) 2/19/95
39 * $FreeBSD: head/sys/sys/types.h 105650 2002-10-21 20:35:29Z mike $
40 */
41
42#ifndef _SYS_TYPES_H_
43#define	_SYS_TYPES_H_
44
45#include <sys/cdefs.h>
46
47/* Machine type dependent parameters. */
48#include <machine/endian.h>
49#include <sys/_types.h>
50
51#if __BSD_VISIBLE
52typedef	unsigned char	u_char;
53typedef	unsigned short	u_short;
54typedef	unsigned int	u_int;
55typedef	unsigned long	u_long;
56typedef	unsigned short	ushort;		/* Sys V compatibility */
57typedef	unsigned int	uint;		/* Sys V compatibility */
58#endif
59
60/*
61 * XXX POSIX sized integrals that should appear only in <sys/stdint.h>.
62 */
63#ifndef _INT8_T_DECLARED
64typedef	__int8_t	int8_t;
65#define	_INT8_T_DECLARED
66#endif
67
68#ifndef _INT16_T_DECLARED
69typedef	__int16_t	int16_t;
70#define	_INT16_T_DECLARED
71#endif
72
73#ifndef _INT32_T_DECLARED
74typedef	__int32_t	int32_t;
75#define	_INT32_T_DECLARED
76#endif
77
78#ifndef _INT64_T_DECLARED
79typedef	__int64_t	int64_t;
80#define	_INT64_T_DECLARED
81#endif
82
83#ifndef _UINT8_T_DECLARED
84typedef	__uint8_t	uint8_t;
85#define	_UINT8_T_DECLARED
86#endif
87
88#ifndef _UINT16_T_DECLARED
89typedef	__uint16_t	uint16_t;
90#define	_UINT16_T_DECLARED
91#endif
92
93#ifndef _UINT32_T_DECLARED
94typedef	__uint32_t	uint32_t;
95#define	_UINT32_T_DECLARED
96#endif
97
98#ifndef _UINT64_T_DECLARED
99typedef	__uint64_t	uint64_t;
100#define	_UINT64_T_DECLARED
101#endif
102
103#ifndef _INTPTR_T_DECLARED
104typedef	__intptr_t	intptr_t;
105typedef	__uintptr_t	uintptr_t;
106#define	_INTPTR_T_DECLARED
107#endif
108
109typedef __uint8_t	u_int8_t;	/* unsigned integrals (deprecated) */
110typedef __uint16_t	u_int16_t;
111typedef __uint32_t	u_int32_t;
112typedef __uint64_t	u_int64_t;
113
114typedef	__uint64_t	u_quad_t;	/* quads (deprecated) */
115typedef	__int64_t	quad_t;
116typedef	quad_t *	qaddr_t;
117
118typedef	char *		caddr_t;	/* core address */
119typedef	__const char *	c_caddr_t;	/* core address, pointer to const */
120typedef	__volatile char *v_caddr_t;	/* core address, pointer to volatile */
121typedef	__critical_t	critical_t;	/* Critical section value */
122typedef	__int64_t	daddr_t;	/* disk address */
123typedef	__uint32_t	fixpt_t;	/* fixed point number */
124
125#ifndef _GID_T_DECLARED
126typedef	__gid_t		gid_t;		/* group id */
127#define	_GID_T_DECLARED
128#endif
129
130#ifndef _ID_T_DECLARED
131typedef	__id_t		id_t;		/* can hold a uid_t or pid_t */
132#define	_ID_T_DECLARED
133#endif
134
135typedef	__uint32_t	ino_t;		/* inode number */
136
137#ifndef _KEY_T_DECLARED
138typedef	__key_t		key_t;		/* IPC key (for Sys V IPC) */
139#define	_KEY_T_DECLARED
140#endif
141
142#ifndef _MODE_T_DECLARED
143typedef	__mode_t	mode_t;		/* permissions */
144#define	_MODE_T_DECLARED
145#endif
146
147typedef	__uint16_t	nlink_t;	/* link count */
148
149#ifndef _OFF_T_DECLARED
150typedef	__off_t		off_t;		/* file offset */
151#define	_OFF_T_DECLARED
152#endif
153
154#ifndef _PID_T_DECLARED
155typedef	__pid_t		pid_t;		/* process id */
156#define	_PID_T_DECLARED
157#endif
158
159typedef	__register_t	register_t;
160
161#ifndef _RLIM_T_DECLARED
162typedef	__rlim_t	rlim_t;		/* resource limit */
163#define	_RLIM_T_DECLARED
164#endif
165
166typedef	__segsz_t	segsz_t;	/* segment size (in pages) */
167typedef	__u_register_t	u_register_t;
168
169#ifndef _UID_T_DECLARED
170typedef	__uid_t		uid_t;		/* user id */
171#define	_UID_T_DECLARED
172#endif
173
174typedef	__vm_offset_t	vm_offset_t;
175typedef	__vm_ooffset_t	vm_ooffset_t;
176typedef	__vm_pindex_t	vm_pindex_t;
177typedef	__vm_size_t	vm_size_t;
178
179#ifdef _KERNEL
180typedef	int		boolean_t;
181typedef	__intfptr_t	intfptr_t;
182
183/*-
184 * XXX this is fixed width for historical reasons.  It should have had type
185 * __int_fast32_t.  Fixed-width types should not be used unless binary
186 * compatibility is essential.  Least-width types should be used even less
187 * since they provide smaller benefits.
188 * XXX should be MD.
189 * XXX this is bogus in -current, but still used for spl*().
190 */
191typedef	__uint32_t	intrmask_t;	/* Interrupt mask (spl, xxx_imask...) */
192
193typedef	__uintfptr_t	uintfptr_t;
194typedef	__uint64_t	uoff_t;
195typedef	struct vm_page	*vm_page_t;
196
197struct cdev;
198
199typedef	__uint32_t	udev_t;		/* device number */
200typedef struct cdev	*dev_t;
201
202#define offsetof(type, field) __offsetof(type, field)
203
204#else /* !_KERNEL */
205
206typedef	__uint32_t	dev_t;		/* device number */
207#define udev_t dev_t
208
209#endif /* !_KERNEL */
210
211#ifndef _CLOCK_T_DECLARED
212typedef	__clock_t	clock_t;
213#define	_CLOCK_T_DECLARED
214#endif
215
216#ifndef _CLOCKID_T_DECLARED
217typedef	__clockid_t	clockid_t;
218#define	_CLOCKID_T_DECLARED
219#endif
220
221#ifndef _FFLAGS_T_DECLARED
222typedef	__fflags_t	fflags_t;	/* file flags */
223#define	_FFLAGS_T_DECLARED
224#endif
225
226#ifndef _FSBLKCNT_T_DECLARED		/* for statvfs() */
227typedef	__fsblkcnt_t	fsblkcnt_t;
228typedef	__fsfilcnt_t	fsfilcnt_t;
229#define	_FSBLKCNT_T_DECLARED
230#endif
231
232#ifndef _SIZE_T_DECLARED
233typedef	__size_t	size_t;
234#define	_SIZE_T_DECLARED
235#endif
236
237#ifndef _SSIZE_T_DECLARED
238typedef	__ssize_t	ssize_t;
239#define	_SSIZE_T_DECLARED
240#endif
241
242#ifndef _TIME_T_DECLARED
243typedef	__time_t	time_t;
244#define	_TIME_T_DECLARED
245#endif
246
247#ifndef _TIMER_T_DECLARED
248typedef	__timer_t	timer_t;
249#define	_TIMER_T_DECLARED
250#endif
251
252/*
253 * The following are all things that really shouldn't exist in this header,
254 * since its purpose is to provide typedefs, not miscellaneous doodads.
255 */
256#if __BSD_VISIBLE
257
258#include <sys/select.h>
259
260#ifndef _KERNEL
261/*
262 * minor() gives a cookie instead of an index since we don't want to
263 * change the meanings of bits 0-15 or waste time and space shifting
264 * bits 16-31 for devices that don't use them.
265 */
266#define major(x)        ((int)(((u_int)(x) >> 8)&0xff)) /* major number */
267#define minor(x)        ((int)((x)&0xffff00ff))         /* minor number */
268#define makedev(x,y)    ((dev_t)(((x) << 8) | (y)))     /* create dev_t */
269#endif /* !_KERNEL */
270
271/*
272 * These declarations belong elsewhere, but are repeated here and in
273 * <stdio.h> to give broken programs a better chance of working with
274 * 64-bit off_t's.
275 */
276#ifndef _KERNEL
277__BEGIN_DECLS
278#ifndef _FTRUNCATE_DECLARED
279#define	_FTRUNCATE_DECLARED
280int	 ftruncate(int, off_t);
281#endif
282#ifndef _LSEEK_DECLARED
283#define	_LSEEK_DECLARED
284off_t	 lseek(int, off_t, int);
285#endif
286#ifndef _MMAP_DECLARED
287#define	_MMAP_DECLARED
288void *	 mmap(void *, size_t, int, int, int, off_t);
289#endif
290#ifndef _TRUNCATE_DECLARED
291#define	_TRUNCATE_DECLARED
292int	 truncate(const char *, off_t);
293#endif
294__END_DECLS
295#endif /* !_KERNEL */
296
297#endif /* __BSD_VISIBLE */
298
299#endif /* !_SYS_TYPES_H_ */
300