xref: /dragonfly/sys/sys/types.h (revision 2d8a3be7)
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 1.4 2003/08/20 07:31:22 rob Exp $
41  */
42 
43 #ifndef _SYS_TYPES_H_
44 #define	_SYS_TYPES_H_
45 
46 #include <sys/cdefs.h>
47 
48 /* Machine type dependent parameters. */
49 #include <sys/inttypes.h>		/* includes <machine/ansi.h> */
50 #include <machine/types.h>
51 
52 #ifndef _POSIX_SOURCE
53 typedef	unsigned char	u_char;
54 typedef	unsigned short	u_short;
55 typedef	unsigned int	u_int;
56 typedef	unsigned long	u_long;
57 typedef	unsigned short	ushort;		/* Sys V compatibility */
58 typedef	unsigned int	uint;		/* Sys V compatibility */
59 #endif
60 
61 typedef __uint8_t	u_int8_t;
62 typedef __uint16_t	u_int16_t;
63 typedef __uint32_t	u_int32_t;
64 typedef __uint64_t	u_int64_t;
65 
66 typedef	u_int64_t	u_quad_t;	/* quads */
67 typedef	int64_t		quad_t;
68 typedef	quad_t *	qaddr_t;
69 
70 typedef	char *		caddr_t;	/* core address */
71 typedef	const char *	c_caddr_t;	/* core address, pointer to const */
72 typedef	volatile char *	v_caddr_t;	/* core address, pointer to volatile */
73 typedef	int32_t		daddr_t;	/* disk address */
74 typedef	u_int32_t	u_daddr_t;	/* unsigned disk address */
75 typedef	u_int32_t	fixpt_t;	/* fixed point number */
76 typedef	u_int32_t	gid_t;		/* group id */
77 typedef	u_int32_t	in_addr_t;	/* base type for internet address */
78 typedef	u_int16_t	in_port_t;
79 typedef	u_int32_t	ino_t;		/* inode number */
80 typedef	long		key_t;		/* IPC key (for Sys V IPC) */
81 typedef	u_int16_t	mode_t;		/* permissions */
82 typedef	u_int16_t	nlink_t;	/* link count */
83 typedef	_BSD_OFF_T_	off_t;		/* file offset */
84 typedef	_BSD_PID_T_	pid_t;		/* process id */
85 typedef	quad_t		rlim_t;		/* resource limit */
86 #ifdef __alpha__		/* XXX should be in <machine/types.h> */
87 typedef	int64_t		segsz_t;	/* segment size */
88 #else
89 typedef	int32_t		segsz_t;	/* segment size */
90 #endif
91 typedef	int32_t		swblk_t;	/* swap offset */
92 typedef	int32_t		ufs_daddr_t;
93 typedef	u_int32_t	uid_t;		/* user id */
94 
95 #ifdef _KERNEL
96 typedef	int		boolean_t;
97 typedef	u_int64_t	uoff_t;
98 typedef	struct vm_page	*vm_page_t;
99 
100 struct specinfo;
101 
102 typedef	u_int32_t	udev_t;		/* device number */
103 typedef struct specinfo	*dev_t;
104 
105 #define offsetof(type, field) __offsetof(type, field)
106 
107 #else /* !_KERNEL */
108 
109 typedef	u_int32_t	dev_t;		/* device number */
110 #define udev_t dev_t
111 
112 #ifndef _POSIX_SOURCE
113 
114 /*
115  * minor() gives a cookie instead of an index since we don't want to
116  * change the meanings of bits 0-15 or waste time and space shifting
117  * bits 16-31 for devices that don't use them.
118  */
119 #define major(x)        ((int)(((u_int)(x) >> 8)&0xff)) /* major number */
120 #define minor(x)        ((int)((x)&0xffff00ff))         /* minor number */
121 #define makedev(x,y)    ((dev_t)(((x) << 8) | (y)))     /* create dev_t */
122 
123 #endif /* _POSIX_SOURCE */
124 
125 #endif /* !_KERNEL */
126 
127 #include <machine/endian.h>
128 
129 #ifdef	_BSD_CLOCK_T_
130 typedef	_BSD_CLOCK_T_	clock_t;
131 #undef	_BSD_CLOCK_T_
132 #endif
133 
134 #ifdef	_BSD_CLOCKID_T_
135 typedef	_BSD_CLOCKID_T_	clockid_t;
136 #undef	_BSD_CLOCKID_T_
137 #endif
138 
139 #ifdef	_BSD_SIZE_T_
140 typedef	_BSD_SIZE_T_	size_t;
141 #undef	_BSD_SIZE_T_
142 #endif
143 
144 #ifdef	_BSD_SSIZE_T_
145 typedef	_BSD_SSIZE_T_	ssize_t;
146 #undef	_BSD_SSIZE_T_
147 #endif
148 
149 #ifdef	_BSD_TIME_T_
150 typedef	_BSD_TIME_T_	time_t;
151 #undef	_BSD_TIME_T_
152 #endif
153 
154 #ifdef	_BSD_TIMER_T_
155 typedef	_BSD_TIMER_T_	timer_t;
156 #undef	_BSD_TIMER_T_
157 #endif
158 
159 #ifndef _POSIX_SOURCE
160 #define	NBBY	8		/* number of bits in a byte */
161 
162 /*
163  * Select uses bit masks of file descriptors in longs.  These macros
164  * manipulate such bit fields (the filesystem macros use chars).
165  * FD_SETSIZE may be defined by the user, but the default here should
166  * be enough for most uses.
167  */
168 #ifndef	FD_SETSIZE
169 #define	FD_SETSIZE	1024
170 #endif
171 
172 typedef	unsigned long	fd_mask;
173 #define	NFDBITS	(sizeof(fd_mask) * NBBY)	/* bits per mask */
174 
175 #ifndef howmany
176 #define	howmany(x, y)	(((x) + ((y) - 1)) / (y))
177 #endif
178 
179 typedef	struct fd_set {
180 	fd_mask	fds_bits[howmany(FD_SETSIZE, NFDBITS)];
181 } fd_set;
182 
183 #define	_fdset_mask(n)	((fd_mask)1 << ((n) % NFDBITS))
184 #define	FD_SET(n, p)	((p)->fds_bits[(n)/NFDBITS] |= _fdset_mask(n))
185 #define	FD_CLR(n, p)	((p)->fds_bits[(n)/NFDBITS] &= ~_fdset_mask(n))
186 #define	FD_ISSET(n, p)	((p)->fds_bits[(n)/NFDBITS] & _fdset_mask(n))
187 #define	FD_COPY(f, t)	bcopy(f, t, sizeof(*(f)))
188 #define	FD_ZERO(p)	bzero(p, sizeof(*(p)))
189 
190 /*
191  * These declarations belong elsewhere, but are repeated here and in
192  * <stdio.h> to give broken programs a better chance of working with
193  * 64-bit off_t's.
194  */
195 #ifndef _KERNEL
196 __BEGIN_DECLS
197 #ifndef _FTRUNCATE_DECLARED
198 #define	_FTRUNCATE_DECLARED
199 int	 ftruncate (int, off_t);
200 #endif
201 #ifndef _LSEEK_DECLARED
202 #define	_LSEEK_DECLARED
203 off_t	 lseek (int, off_t, int);
204 #endif
205 #ifndef _MMAP_DECLARED
206 #define	_MMAP_DECLARED
207 void *	 mmap (void *, size_t, int, int, int, off_t);
208 #endif
209 #ifndef _TRUNCATE_DECLARED
210 #define	_TRUNCATE_DECLARED
211 int	 truncate (const char *, off_t);
212 #endif
213 __END_DECLS
214 #endif /* !_KERNEL */
215 
216 #endif /* !_POSIX_SOURCE */
217 
218 #endif /* !_SYS_TYPES_H_ */
219