types.h revision 33778
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 1.23 1998/01/08 00:27:34 alex 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 <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	u_int64_t	u_quad_t;	/* quads */
61typedef	int64_t		quad_t;
62typedef	quad_t *	qaddr_t;
63
64typedef	char *		caddr_t;	/* core address */
65typedef	int32_t		daddr_t;	/* disk address */
66typedef	u_int32_t	dev_t;		/* device number */
67typedef	u_int32_t	fixpt_t;	/* fixed point number */
68typedef	u_int32_t	gid_t;		/* group id */
69typedef	u_int32_t	ino_t;		/* inode number */
70typedef	long		key_t;		/* IPC key (for Sys V IPC) */
71typedef	u_int16_t	mode_t;		/* permissions */
72typedef	u_int16_t	nlink_t;	/* link count */
73typedef	_BSD_OFF_T_	off_t;		/* file offset */
74typedef	_BSD_PID_T_	pid_t;		/* process id */
75typedef	quad_t		rlim_t;		/* resource limit */
76typedef	int32_t		segsz_t;	/* segment size */
77typedef	int32_t		swblk_t;	/* swap offset */
78typedef	u_int32_t	uid_t;		/* user id */
79
80#ifdef KERNEL
81typedef	int		boolean_t;
82typedef	struct vm_page	*vm_page_t;
83#endif
84
85#ifndef _POSIX_SOURCE
86/*
87 * minor() gives a cookie instead of an index since we don't want to
88 * change the meanings of bits 0-15 or waste time and space shifting
89 * bits 16-31 for devices that don't use them.
90 */
91#define	major(x)	((int)(((u_int)(x) >> 8)&0xff))	/* major number */
92#define	minor(x)	((int)((x)&0xffff00ff))		/* minor number */
93#define	makedev(x,y)	((dev_t)(((x) << 8) | (y)))	/* create dev_t */
94#endif
95
96#include <machine/endian.h>
97
98#ifdef	_BSD_CLOCK_T_
99typedef	_BSD_CLOCK_T_	clock_t;
100#undef	_BSD_CLOCK_T_
101#endif
102
103#ifdef	_BSD_CLOCKID_T_
104typedef	_BSD_CLOCKID_T_	clockid_t;
105#undef	_BSD_CLOCKID_T_
106#endif
107
108#ifdef	_BSD_SIZE_T_
109typedef	_BSD_SIZE_T_	size_t;
110#undef	_BSD_SIZE_T_
111#endif
112
113#ifdef	_BSD_SSIZE_T_
114typedef	_BSD_SSIZE_T_	ssize_t;
115#undef	_BSD_SSIZE_T_
116#endif
117
118#ifdef	_BSD_TIME_T_
119typedef	_BSD_TIME_T_	time_t;
120#undef	_BSD_TIME_T_
121#endif
122
123#ifdef	_BSD_TIMER_T_
124typedef	_BSD_TIMER_T_	timer_t;
125#undef	_BSD_TIMER_T_
126#endif
127
128#ifdef	_BSD_UINT8_T_
129typedef	_BSD_UINT8_T_	uint8_t;
130#undef	_BSD_UINT8_T_
131#endif
132
133#ifdef	_BSD_UINT16_T_
134typedef	_BSD_UINT16_T_	uint16_t;
135#undef	_BSD_UINT16_T_
136#endif
137
138#ifdef	_BSD_UINT32_T_
139typedef	_BSD_UINT32_T_	uint32_t;
140#undef	_BSD_UINT32_T_
141#endif
142
143#ifndef _POSIX_SOURCE
144#define	NBBY	8		/* number of bits in a byte */
145
146/*
147 * Select uses bit masks of file descriptors in longs.  These macros
148 * manipulate such bit fields (the filesystem macros use chars).
149 * FD_SETSIZE may be defined by the user, but the default here should
150 * be enough for most uses.
151 */
152#ifndef	FD_SETSIZE
153#define	FD_SETSIZE	1024
154#endif
155
156typedef	long	fd_mask;
157#define	NFDBITS	(sizeof(fd_mask) * NBBY)	/* bits per mask */
158
159#ifndef howmany
160#define	howmany(x, y)	(((x) + ((y) - 1)) / (y))
161#endif
162
163typedef	struct fd_set {
164	fd_mask	fds_bits[howmany(FD_SETSIZE, NFDBITS)];
165} fd_set;
166
167#define	FD_SET(n, p)	((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
168#define	FD_CLR(n, p)	((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
169#define	FD_ISSET(n, p)	((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
170#define	FD_COPY(f, t)	bcopy(f, t, sizeof(*(f)))
171#define	FD_ZERO(p)	bzero(p, sizeof(*(p)))
172
173/*
174 * These declarations belong elsewhere, but are repeated here and in
175 * <stdio.h> to give broken programs a better chance of working with
176 * 64-bit off_t's.
177 */
178#ifndef KERNEL
179__BEGIN_DECLS
180#ifndef _FTRUNCATE_DECLARED
181#define	_FTRUNCATE_DECLARED
182int	 ftruncate __P((int, off_t));
183#endif
184#ifndef _LSEEK_DECLARED
185#define	_LSEEK_DECLARED
186off_t	 lseek __P((int, off_t, int));
187#endif
188#ifndef _MMAP_DECLARED
189#define	_MMAP_DECLARED
190void *	 mmap __P((void *, size_t, int, int, int, off_t));
191#endif
192#ifndef _TRUNCATE_DECLARED
193#define	_TRUNCATE_DECLARED
194int	 truncate __P((const char *, off_t));
195#endif
196__END_DECLS
197#endif /* !KERNEL */
198
199#endif /* !_POSIX_SOURCE */
200
201#endif /* !_SYS_TYPES_H_ */
202