xref: /dragonfly/sys/sys/types.h (revision aa8d5dcb)
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: src/sys/sys/types.h,v 1.40.2.2 2001/04/21 14:53:06 ume Exp $
40  * $DragonFly: src/sys/sys/types.h,v 1.6 2003/11/15 19:28:42 asmodai Exp $
41  */
42 
43 #ifndef _SYS_TYPES_H_
44 #define	_SYS_TYPES_H_
45 
46 #include <sys/cdefs.h>
47 #include <stdint.h>
48 #include <machine/stdarg.h>
49 #include <machine/endian.h>
50 #ifndef _MACHINE_TYPES_H_
51 #include <machine/types.h>
52 #endif
53 
54 #ifndef _POSIX_SOURCE
55 typedef	unsigned char	u_char;
56 typedef	unsigned short	u_short;
57 typedef	unsigned int	u_int;
58 typedef	unsigned long	u_long;
59 typedef	unsigned short	ushort;		/* Sys V compatibility */
60 typedef	unsigned int	uint;		/* Sys V compatibility */
61 #endif
62 
63 typedef __uint8_t	u_int8_t;
64 typedef __uint16_t	u_int16_t;
65 typedef __uint32_t	u_int32_t;
66 typedef __uint64_t	u_int64_t;
67 typedef	__uint64_t	u_quad_t;	/* quads */
68 typedef	__int64_t	quad_t;
69 typedef	quad_t *	qaddr_t;
70 
71 typedef	char *		caddr_t;	/* core address */
72 typedef	const char *	c_caddr_t;	/* core address, pointer to const */
73 typedef	volatile char *	v_caddr_t;	/* core address, pointer to volatile */
74 typedef	__int32_t	daddr_t;	/* disk address */
75 typedef	__uint32_t	u_daddr_t;	/* unsigned disk address */
76 typedef	__uint32_t	fixpt_t;	/* fixed point number */
77 typedef	__uint32_t	gid_t;		/* group id */
78 typedef	__uint32_t	in_addr_t;	/* base type for internet address */
79 typedef	__uint16_t	in_port_t;
80 typedef	__uint32_t	ino_t;		/* inode number */
81 typedef	long		key_t;		/* IPC key (for Sys V IPC) */
82 typedef	__uint16_t	mode_t;		/* permissions */
83 typedef	__uint16_t	nlink_t;	/* link count */
84 typedef	__off_t		off_t;		/* file offset */
85 typedef	__pid_t		pid_t;		/* process id */
86 typedef	quad_t		rlim_t;		/* resource limit */
87 typedef	__int32_t	segsz_t;	/* segment size */
88 typedef	__int32_t	swblk_t;	/* swap offset */
89 typedef	__int32_t	ufs_daddr_t;
90 typedef	__uint32_t	uid_t;		/* user id */
91 
92 #ifdef _KERNEL
93 typedef	int		boolean_t;
94 typedef	u_int64_t	uoff_t;
95 typedef	struct vm_page	*vm_page_t;
96 
97 struct specinfo;
98 
99 typedef	u_int32_t	udev_t;		/* device number */
100 typedef struct specinfo	*dev_t;
101 
102 #define offsetof(type, field) __offsetof(type, field)
103 
104 #else /* !_KERNEL */
105 
106 typedef	u_int32_t	dev_t;		/* device number */
107 #define udev_t dev_t
108 
109 #ifndef _POSIX_SOURCE
110 
111 /*
112  * minor() gives a cookie instead of an index since we don't want to
113  * change the meanings of bits 0-15 or waste time and space shifting
114  * bits 16-31 for devices that don't use them.
115  */
116 #define major(x)        ((int)(((u_int)(x) >> 8)&0xff)) /* major number */
117 #define minor(x)        ((int)((x)&0xffff00ff))         /* minor number */
118 #define makedev(x,y)    ((dev_t)(((x) << 8) | (y)))     /* create dev_t */
119 
120 #endif /* _POSIX_SOURCE */
121 
122 #endif /* !_KERNEL */
123 
124 #ifndef _CLOCK_T_DECLARED
125 #define _CLOCK_T_DECLARED
126 typedef	__clock_t	clock_t;
127 #endif
128 
129 #ifndef _CLOCKID_T_DECLARED
130 #define _CLOCKID_T_DECLARED
131 typedef __clockid_t	clockid_t;
132 #endif
133 
134 #ifndef _SIZE_T_DECLARED
135 #define _SIZE_T_DECLARED
136 typedef __size_t	size_t;
137 #endif
138 
139 #ifndef _SSIZE_T_DECLARED
140 #define _SSIZE_T_DECLARED
141 typedef __ssize_t	ssize_t;
142 #endif
143 
144 #ifndef _TIME_T_DECLARED
145 #define _TIME_T_DECLARED
146 typedef __time_t	time_t;
147 #endif
148 
149 #ifndef _TIMER_T_DECLARED
150 #define _TIMER_T_DECLARED
151 typedef __timer_t	timer_t;
152 #endif
153 
154 #ifndef _POSIX_SOURCE
155 #define	NBBY	8		/* number of bits in a byte */
156 
157 /*
158  * Select uses bit masks of file descriptors in longs.  These macros
159  * manipulate such bit fields (the filesystem macros use chars).
160  * FD_SETSIZE may be defined by the user, but the default here should
161  * be enough for most uses.
162  */
163 #ifndef	FD_SETSIZE
164 #define	FD_SETSIZE	1024
165 #endif
166 
167 typedef	unsigned long	fd_mask;
168 #define	NFDBITS	(sizeof(fd_mask) * NBBY)	/* bits per mask */
169 
170 #ifndef howmany
171 #define	howmany(x, y)	(((x) + ((y) - 1)) / (y))
172 #endif
173 
174 typedef	struct fd_set {
175 	fd_mask	fds_bits[howmany(FD_SETSIZE, NFDBITS)];
176 } fd_set;
177 
178 #define	_fdset_mask(n)	((fd_mask)1 << ((n) % NFDBITS))
179 #define	FD_SET(n, p)	((p)->fds_bits[(n)/NFDBITS] |= _fdset_mask(n))
180 #define	FD_CLR(n, p)	((p)->fds_bits[(n)/NFDBITS] &= ~_fdset_mask(n))
181 #define	FD_ISSET(n, p)	((p)->fds_bits[(n)/NFDBITS] & _fdset_mask(n))
182 #define	FD_COPY(f, t)	bcopy(f, t, sizeof(*(f)))
183 #define	FD_ZERO(p)	bzero(p, sizeof(*(p)))
184 
185 /*
186  * These declarations belong elsewhere, but are repeated here and in
187  * <stdio.h> to give broken programs a better chance of working with
188  * 64-bit off_t's.
189  */
190 #ifndef _KERNEL
191 __BEGIN_DECLS
192 #ifndef _FTRUNCATE_DECLARED
193 #define	_FTRUNCATE_DECLARED
194 int	 ftruncate (int, off_t);
195 #endif
196 #ifndef _LSEEK_DECLARED
197 #define	_LSEEK_DECLARED
198 off_t	 lseek (int, off_t, int);
199 #endif
200 #ifndef _MMAP_DECLARED
201 #define	_MMAP_DECLARED
202 void *	 mmap (void *, size_t, int, int, int, off_t);
203 #endif
204 #ifndef _TRUNCATE_DECLARED
205 #define	_TRUNCATE_DECLARED
206 int	 truncate (const char *, off_t);
207 #endif
208 __END_DECLS
209 #endif /* !_KERNEL */
210 
211 #endif /* !_POSIX_SOURCE */
212 
213 #endif /* !_SYS_TYPES_H_ */
214