types.h revision 43311
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 * $Id: types.h,v 1.28 1999/01/27 19:01:44 dillon Exp $
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 <sys/inttypes.h>		/* includes <machine/ansi.h> */
49#include <machine/types.h>
50
51#ifndef _POSIX_SOURCE
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
60typedef __uint8_t	u_int8_t;
61typedef __uint16_t	u_int16_t;
62typedef __uint32_t	u_int32_t;
63typedef __uint64_t	u_int64_t;
64
65typedef	u_int64_t	u_quad_t;	/* quads */
66typedef	int64_t		quad_t;
67typedef	quad_t *	qaddr_t;
68
69typedef	char *		caddr_t;	/* core address */
70typedef	const char *	c_caddr_t;	/* core address, pointer to const */
71typedef	volatile char *	v_caddr_t;	/* core address, pointer to volatile */
72typedef	int32_t		daddr_t;	/* disk address */
73typedef	u_int32_t	u_daddr_t;	/* unsigned disk address */
74typedef	u_int32_t	dev_t;		/* device number */
75typedef	u_int32_t	fixpt_t;	/* fixed point number */
76typedef	u_int32_t	gid_t;		/* group id */
77typedef	u_int32_t	ino_t;		/* inode number */
78typedef	long		key_t;		/* IPC key (for Sys V IPC) */
79typedef	u_int16_t	mode_t;		/* permissions */
80typedef	u_int16_t	nlink_t;	/* link count */
81typedef	_BSD_OFF_T_	off_t;		/* file offset */
82typedef	_BSD_PID_T_	pid_t;		/* process id */
83typedef	quad_t		rlim_t;		/* resource limit */
84#ifdef __alpha__		/* XXX should be in <machine/types.h> */
85typedef	int64_t		segsz_t;	/* segment size */
86#else
87typedef	int32_t		segsz_t;	/* segment size */
88#endif
89typedef	int32_t		swblk_t;	/* swap offset */
90typedef	int32_t		ufs_daddr_t;
91typedef	u_int32_t	uid_t;		/* user id */
92
93#ifdef KERNEL
94typedef	int		boolean_t;
95typedef	u_int64_t	uoff_t;
96typedef	struct vm_page	*vm_page_t;
97#endif
98
99#ifndef _POSIX_SOURCE
100/*
101 * minor() gives a cookie instead of an index since we don't want to
102 * change the meanings of bits 0-15 or waste time and space shifting
103 * bits 16-31 for devices that don't use them.
104 */
105#define	major(x)	((int)(((u_int)(x) >> 8)&0xff))	/* major number */
106#define	minor(x)	((int)((x)&0xffff00ff))		/* minor number */
107#define	makedev(x,y)	((dev_t)(((x) << 8) | (y)))	/* create dev_t */
108#endif
109
110#include <machine/endian.h>
111
112#ifdef	_BSD_CLOCK_T_
113typedef	_BSD_CLOCK_T_	clock_t;
114#undef	_BSD_CLOCK_T_
115#endif
116
117#ifdef	_BSD_CLOCKID_T_
118typedef	_BSD_CLOCKID_T_	clockid_t;
119#undef	_BSD_CLOCKID_T_
120#endif
121
122#ifdef	_BSD_SIZE_T_
123typedef	_BSD_SIZE_T_	size_t;
124#undef	_BSD_SIZE_T_
125#endif
126
127#ifdef	_BSD_SSIZE_T_
128typedef	_BSD_SSIZE_T_	ssize_t;
129#undef	_BSD_SSIZE_T_
130#endif
131
132#ifdef	_BSD_TIME_T_
133typedef	_BSD_TIME_T_	time_t;
134#undef	_BSD_TIME_T_
135#endif
136
137#ifdef	_BSD_TIMER_T_
138typedef	_BSD_TIMER_T_	timer_t;
139#undef	_BSD_TIMER_T_
140#endif
141
142#ifndef _POSIX_SOURCE
143#define	NBBY	8		/* number of bits in a byte */
144
145/*
146 * Select uses bit masks of file descriptors in longs.  These macros
147 * manipulate such bit fields (the filesystem macros use chars).
148 * FD_SETSIZE may be defined by the user, but the default here should
149 * be enough for most uses.
150 */
151#ifndef	FD_SETSIZE
152#define	FD_SETSIZE	1024
153#endif
154
155typedef	long	fd_mask;
156#define	NFDBITS	(sizeof(fd_mask) * NBBY)	/* bits per mask */
157
158#ifndef howmany
159#define	howmany(x, y)	(((x) + ((y) - 1)) / (y))
160#endif
161
162typedef	struct fd_set {
163	fd_mask	fds_bits[howmany(FD_SETSIZE, NFDBITS)];
164} fd_set;
165
166#define	FD_SET(n, p)	((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
167#define	FD_CLR(n, p)	((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
168#define	FD_ISSET(n, p)	((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
169#define	FD_COPY(f, t)	bcopy(f, t, sizeof(*(f)))
170#define	FD_ZERO(p)	bzero(p, sizeof(*(p)))
171
172/*
173 * These declarations belong elsewhere, but are repeated here and in
174 * <stdio.h> to give broken programs a better chance of working with
175 * 64-bit off_t's.
176 */
177#ifndef KERNEL
178__BEGIN_DECLS
179#ifndef _FTRUNCATE_DECLARED
180#define	_FTRUNCATE_DECLARED
181int	 ftruncate __P((int, off_t));
182#endif
183#ifndef _LSEEK_DECLARED
184#define	_LSEEK_DECLARED
185off_t	 lseek __P((int, off_t, int));
186#endif
187#ifndef _MMAP_DECLARED
188#define	_MMAP_DECLARED
189void *	 mmap __P((void *, size_t, int, int, int, off_t));
190#endif
191#ifndef _TRUNCATE_DECLARED
192#define	_TRUNCATE_DECLARED
193int	 truncate __P((const char *, off_t));
194#endif
195__END_DECLS
196#endif /* !KERNEL */
197
198#endif /* !_POSIX_SOURCE */
199
200#endif /* !_SYS_TYPES_H_ */
201