1 /* $NetBSD: types.h,v 1.52 2002/05/28 23:36:30 wiz Exp $ */ 2 3 /*- 4 * Copyright (c) 1982, 1986, 1991, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * (c) UNIX System Laboratories, Inc. 7 * All or some portions of this file are derived from material licensed 8 * to the University of California by American Telephone and Telegraph 9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 10 * the permission of UNIX System Laboratories, Inc. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)types.h 8.4 (Berkeley) 1/21/94 41 */ 42 43 #ifndef _SYS_TYPES_H_ 44 #define _SYS_TYPES_H_ 45 46 /* Machine type dependent parameters. */ 47 #include <machine/types.h> 48 49 #include <machine/ansi.h> 50 #include <machine/int_types.h> 51 52 53 #include <sys/ansi.h> 54 55 #ifndef int8_t 56 typedef __int8_t int8_t; 57 #define int8_t __int8_t 58 #endif 59 60 #ifndef uint8_t 61 typedef __uint8_t uint8_t; 62 #define uint8_t __uint8_t 63 #endif 64 65 #ifndef int16_t 66 typedef __int16_t int16_t; 67 #define int16_t __int16_t 68 #endif 69 70 #ifndef uint16_t 71 typedef __uint16_t uint16_t; 72 #define uint16_t __uint16_t 73 #endif 74 75 #ifndef int32_t 76 typedef __int32_t int32_t; 77 #define int32_t __int32_t 78 #endif 79 80 #ifndef uint32_t 81 typedef __uint32_t uint32_t; 82 #define uint32_t __uint32_t 83 #endif 84 85 #ifndef int64_t 86 typedef __int64_t int64_t; 87 #define int64_t __int64_t 88 #endif 89 90 #ifndef uint64_t 91 typedef __uint64_t uint64_t; 92 #define uint64_t __uint64_t 93 #endif 94 95 typedef uint8_t u_int8_t; 96 typedef uint16_t u_int16_t; 97 typedef uint32_t u_int32_t; 98 typedef uint64_t u_int64_t; 99 100 #include <machine/endian.h> 101 102 #if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE) 103 typedef unsigned char u_char; 104 typedef unsigned short u_short; 105 typedef unsigned int u_int; 106 typedef unsigned long u_long; 107 108 typedef unsigned char unchar; /* Sys V compatibility */ 109 typedef unsigned short ushort; /* Sys V compatibility */ 110 typedef unsigned int uint; /* Sys V compatibility */ 111 typedef unsigned long ulong; /* Sys V compatibility */ 112 113 typedef u_long cpuid_t; 114 #endif 115 116 typedef uint64_t u_quad_t; /* quads */ 117 typedef int64_t quad_t; 118 typedef quad_t * qaddr_t; 119 120 /* 121 * The types longlong_t and u_longlong_t exist for use with the 122 * Sun-derived XDR routines involving these types, and their usage 123 * in other contexts is discouraged. Further note that these types 124 * may not be equivalent to "long long" and "unsigned long long", 125 * they are only guaranteed to be signed and unsigned 64-bit types 126 * respectively. Portable programs that need 64-bit types should use 127 * the C99 types int64_t and uint64_t instead. 128 */ 129 130 typedef int64_t longlong_t; /* for XDR */ 131 typedef uint64_t u_longlong_t; /* for XDR */ 132 133 typedef int64_t blkcnt_t; /* fs block count */ 134 typedef uint32_t blksize_t; /* fs optimal block size */ 135 136 #ifndef caddr_t 137 typedef __caddr_t caddr_t; /* core address */ 138 #define caddr_t __caddr_t 139 #endif 140 141 typedef int32_t daddr_t; /* disk address */ 142 typedef uint32_t dev_t; /* device number */ 143 typedef uint32_t fixpt_t; /* fixed point number */ 144 145 #ifndef gid_t 146 typedef __gid_t gid_t; /* group id */ 147 #define gid_t __gid_t 148 #endif 149 150 typedef uint32_t id_t; /* group id, process id or user id */ 151 typedef uint32_t ino_t; /* inode number */ 152 typedef long key_t; /* IPC key (for Sys V IPC) */ 153 154 #ifndef mode_t 155 typedef __mode_t mode_t; /* permissions */ 156 #define mode_t __mode_t 157 #endif 158 159 typedef uint32_t nlink_t; /* link count */ 160 161 #ifndef off_t 162 typedef __off_t off_t; /* file offset */ 163 #define off_t __off_t 164 #endif 165 166 #ifndef pid_t 167 typedef __pid_t pid_t; /* process id */ 168 #define pid_t __pid_t 169 #endif 170 171 typedef quad_t rlim_t; /* resource limit */ 172 typedef int32_t segsz_t; /* segment size */ 173 typedef int32_t swblk_t; /* swap offset */ 174 175 #ifndef uid_t 176 typedef __uid_t uid_t; /* user id */ 177 #define uid_t __uid_t 178 #endif 179 180 typedef int32_t dtime_t; /* on-disk time_t */ 181 182 #if defined(_KERNEL) || defined(_LIBC) 183 /* 184 * semctl(2)'s argument structure. This is here for the benefit of 185 * <sys/syscallargs.h>. It is not in the user's namespace in SUSv2. 186 * The SUSv2 semctl(2) takes variable arguments. 187 */ 188 union __semun { 189 int val; /* value for SETVAL */ 190 struct semid_ds *buf; /* buffer for IPC_STAT & IPC_SET */ 191 unsigned short *array; /* array for GETALL & SETALL */ 192 }; 193 #endif /* _KERNEL || _LIBC */ 194 195 /* 196 * These belong in unistd.h, but are placed here too to ensure that 197 * long arguments will be promoted to off_t if the program fails to 198 * include that header or explicitly cast them to off_t. 199 */ 200 #if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE) 201 #ifndef __OFF_T_SYSCALLS_DECLARED 202 #define __OFF_T_SYSCALLS_DECLARED 203 #ifndef _KERNEL 204 #include <sys/cdefs.h> 205 __BEGIN_DECLS 206 off_t lseek __P((int, off_t, int)); 207 int ftruncate __P((int, off_t)); 208 int truncate __P((const char *, off_t)); 209 __END_DECLS 210 #endif /* !_KERNEL */ 211 #endif /* __OFF_T_SYSCALLS_DECLARED */ 212 #endif /* !defined(_POSIX_SOURCE) ... */ 213 214 #if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE) 215 /* Major, minor numbers, dev_t's. */ 216 #define major(x) ((int32_t)((((x) & 0x000fff00) >> 8))) 217 #define minor(x) ((int32_t)((((x) & 0xfff00000) >> 12) | \ 218 (((x) & 0x000000ff) >> 0))) 219 #define makedev(x,y) ((dev_t)((((x) << 8) & 0x000fff00) | \ 220 (((y) << 12) & 0xfff00000) | \ 221 (((y) << 0) & 0x000000ff))) 222 #endif 223 224 #ifdef _BSD_CLOCK_T_ 225 typedef _BSD_CLOCK_T_ clock_t; 226 #undef _BSD_CLOCK_T_ 227 #endif 228 229 #ifdef _BSD_SIZE_T_ 230 typedef _BSD_SIZE_T_ size_t; 231 #define _SIZE_T 232 #undef _BSD_SIZE_T_ 233 #endif 234 235 #ifdef _BSD_SSIZE_T_ 236 typedef _BSD_SSIZE_T_ ssize_t; 237 #undef _BSD_SSIZE_T_ 238 #endif 239 240 #ifdef _BSD_TIME_T_ 241 typedef _BSD_TIME_T_ time_t; 242 #undef _BSD_TIME_T_ 243 #endif 244 245 #ifdef _BSD_CLOCKID_T_ 246 typedef _BSD_CLOCKID_T_ clockid_t; 247 #undef _BSD_CLOCKID_T_ 248 #endif 249 250 #ifdef _BSD_TIMER_T_ 251 typedef _BSD_TIMER_T_ timer_t; 252 #undef _BSD_TIMER_T_ 253 #endif 254 255 #ifdef _BSD_SUSECONDS_T_ 256 typedef _BSD_SUSECONDS_T_ suseconds_t; 257 #undef _BSD_SUSECONDS_T_ 258 #endif 259 260 #ifdef _BSD_USECONDS_T_ 261 typedef _BSD_USECONDS_T_ useconds_t; 262 #undef _BSD_USECONDS_T_ 263 #endif 264 265 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 266 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 267 (_XOPEN_SOURCE - 0) >= 500 268 269 /* 270 * Implementation dependent defines, hidden from user space. X/Open does not 271 * specify them. 272 */ 273 #define __NBBY 8 /* number of bits in a byte */ 274 typedef int32_t __fd_mask; 275 #define __NFDBITS (sizeof(__fd_mask) * __NBBY) /* bits per mask */ 276 277 #ifndef howmany 278 #define __howmany(x, y) (((x) + ((y) - 1)) / (y)) 279 #else 280 #define __howmany(x, y) howmany(x, y) 281 #endif 282 283 /* 284 * Select uses bit masks of file descriptors in longs. These macros 285 * manipulate such bit fields (the filesystem macros use chars). 286 * FD_SETSIZE may be defined by the user, but the default here should 287 * be enough for most uses. 288 */ 289 #ifndef FD_SETSIZE 290 #define FD_SETSIZE 256 291 #endif 292 293 typedef struct fd_set { 294 __fd_mask fds_bits[__howmany(FD_SETSIZE, __NFDBITS)]; 295 } fd_set; 296 297 #define FD_SET(n, p) \ 298 ((p)->fds_bits[(n)/__NFDBITS] |= (1 << ((n) % __NFDBITS))) 299 #define FD_CLR(n, p) \ 300 ((p)->fds_bits[(n)/__NFDBITS] &= ~(1 << ((n) % __NFDBITS))) 301 #define FD_ISSET(n, p) \ 302 ((p)->fds_bits[(n)/__NFDBITS] & (1 << ((n) % __NFDBITS))) 303 #define FD_ZERO(p) (void)memset((p), 0, sizeof(*(p))) 304 305 /* 306 * Expose our internals if we are not required to hide them. 307 */ 308 #ifndef _XOPEN_SOURCE 309 310 #define NBBY __NBBY 311 #define fd_mask __fd_mask 312 #define NFDBITS __NFDBITS 313 #ifndef howmany 314 #define howmany(a, b) __howmany(a, b) 315 #endif 316 317 #define FD_COPY(f, t) (void)memcpy((t), (f), sizeof(*(f))) 318 319 #endif 320 321 #if defined(__STDC__) && defined(_KERNEL) 322 /* 323 * Forward structure declarations for function prototypes. We include the 324 * common structures that cross subsystem boundaries here; others are mostly 325 * used in the same place that the structure is defined. 326 */ 327 struct proc; 328 struct pgrp; 329 struct ucred; 330 struct rusage; 331 struct file; 332 struct buf; 333 struct tty; 334 struct uio; 335 #endif 336 337 #endif /* !defined(_POSIX_SOURCE) ... */ 338 #endif /* !_SYS_TYPES_H_ */ 339