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