include/sys/types.h

   1 /*      $NetBSD: types.h,v 1.86 2009/03/07 21:59:25 ad 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. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  *
  36  *      @(#)types.h     8.4 (Berkeley) 1/21/94
  37  */
  38
  39 #ifndef _SYS_TYPES_H_
  40 #define _SYS_TYPES_H_
  41
  42 #include <sys/featuretest.h>
  43
  44 /* Machine type dependent parameters. */
  45 #include <machine/types.h>
  46
  47 #include <machine/ansi.h>
  48 #include <machine/int_types.h>
  49
  50 #include <sys/ansi.h>
  51
  52 #ifndef int8_t
  53 typedef __int8_t        int8_t;
  54 #define int8_t          __int8_t
  55 #endif
  56
  57 #ifndef uint8_t
  58 typedef __uint8_t       uint8_t;
  59 #define uint8_t         __uint8_t
  60 #endif
  61
  62 #ifndef int16_t
  63 typedef __int16_t       int16_t;
  64 #define int16_t         __int16_t
  65 #endif
  66
  67 #ifndef uint16_t
  68 typedef __uint16_t      uint16_t;
  69 #define uint16_t        __uint16_t
  70 #endif
  71
  72 #ifndef int32_t
  73 typedef __int32_t       int32_t;
  74 #define int32_t         __int32_t
  75 #endif
  76
  77 #ifndef uint32_t
  78 typedef __uint32_t      uint32_t;
  79 #define uint32_t        __uint32_t
  80 #endif
  81
  82 #ifndef int64_t
  83 typedef __int64_t       int64_t;
  84 #define int64_t         __int64_t
  85 #endif
  86
  87 #ifndef uint64_t
  88 typedef __uint64_t      uint64_t;
  89 #define uint64_t        __uint64_t
  90 #endif
  91
  92 typedef uint8_t         u_int8_t;
  93 typedef uint16_t        u_int16_t;
  94 typedef uint32_t        u_int32_t;
  95 typedef uint64_t        u_int64_t;
  96
  97 #ifdef __minix
  98 typedef uint8_t         u8_t;
  99 typedef uint16_t        u16_t;
 100 typedef uint32_t        u32_t;
 101 typedef uint64_t        u64_t;
 102
 103 typedef int8_t          i8_t;
 104 typedef int16_t         i16_t;
 105 typedef int32_t         i32_t;
 106 typedef int64_t         i64_t;
 107
 108 typedef uint64_t        big_ino_t;
 109 typedef int64_t         big_off_t;
 110 typedef u32_t           big_dev_t;
 111 typedef u32_t           big_gid_t;
 112 typedef u32_t           big_mode_t;
 113 typedef u32_t           big_nlink_t;
 114 typedef u32_t           big_uid_t;
 115
 116
 117 #ifdef _MINIX
 118 /* some Minix specific types that do not conflict with posix */
 119 typedef u32_t zone_t;      /* zone number */
 120 typedef u32_t block_t;     /* block number */
 121 typedef u32_t bit_t;       /* bit number in a bit map */
 122 typedef u16_t zone1_t;     /* zone number for V1 file systems */
 123 typedef u32_t bitchunk_t; /* collection of bits in a bitmap */
 124 #endif
 125
 126 /* ANSI C makes writing down the promotion of unsigned types very messy.  When
 127  * sizeof(short) == sizeof(int), there is no promotion, so the type stays
 128  * unsigned.  When the compiler is not ANSI, there is usually no loss of
 129  * unsignedness, and there are usually no prototypes so the promoted type
 130  * doesn't matter.  The use of types like Ino_t is an attempt to use ints
 131  * (which are not promoted) while providing information to the reader.
 132  */
 133
 134 typedef unsigned long  Ino_t;
 135
 136 #endif /* __minix */
 137
 138 #include <machine/endian.h>
 139
 140 #if defined(_NETBSD_SOURCE)
 141 typedef unsigned char   u_char;
 142 typedef unsigned short  u_short;
 143 typedef unsigned int    u_int;
 144 typedef unsigned long   u_long;
 145
 146 typedef unsigned char   unchar;         /* Sys V compatibility */
 147 typedef unsigned short  ushort;         /* Sys V compatibility */
 148 typedef unsigned int    uint;           /* Sys V compatibility */
 149 typedef unsigned long   ulong;          /* Sys V compatibility */
 150 #endif
 151
 152 typedef uint64_t        u_quad_t;       /* quads */
 153 typedef int64_t         quad_t;
 154 typedef quad_t *        qaddr_t;
 155
 156 /*
 157  * The types longlong_t and u_longlong_t exist for use with the
 158  * Sun-derived XDR routines involving these types, and their usage
 159  * in other contexts is discouraged.  Further note that these types
 160  * may not be equivalent to "long long" and "unsigned long long",
 161  * they are only guaranteed to be signed and unsigned 64-bit types
 162  * respectively.  Portable programs that need 64-bit types should use
 163  * the C99 types int64_t and uint64_t instead.
 164  */
 165
 166 typedef int64_t         longlong_t;     /* for XDR */
 167 typedef uint64_t        u_longlong_t;   /* for XDR */
 168
 169 typedef int64_t         blkcnt_t;       /* fs block count */
 170 typedef uint32_t        blksize_t;      /* fs optimal block size */
 171
 172 #ifndef fsblkcnt_t
 173 typedef __fsblkcnt_t    fsblkcnt_t;     /* fs block count (statvfs) */
 174 #define fsblkcnt_t      __fsblkcnt_t
 175 #endif
 176
 177 #ifndef fsfilcnt_t
 178 typedef __fsfilcnt_t    fsfilcnt_t;     /* fs file count */
 179 #define fsfilcnt_t      __fsfilcnt_t
 180 #endif
 181
 182 #if !defined(_KERNEL) && !defined(_STANDALONE)
 183 /* We don't and shouldn't use caddr_t in the kernel anymore */
 184 #ifndef caddr_t
 185 typedef __caddr_t       caddr_t;        /* core address */
 186 #define caddr_t         __caddr_t
 187 #endif
 188 #endif
 189
 190 #ifdef __daddr_t
 191 typedef __daddr_t       daddr_t;        /* disk address */
 192 #undef __daddr_t
 193 #else
 194 typedef int64_t         daddr_t;        /* disk address */
 195 #endif
 196
 197
 198 typedef uint32_t        dev_t;          /* device number */
 199 typedef uint32_t        fixpt_t;        /* fixed point number */
 200
 201 #ifndef gid_t
 202 typedef __gid_t         gid_t;          /* group id */
 203 #define gid_t           __gid_t
 204 #endif
 205
 206 typedef int             idtype_t;       /* type of the id */
 207 typedef uint32_t        id_t;           /* group id, process id or user id */
 208 typedef unsigned long   ino_t;          /* inode number */
 209 typedef long            key_t;          /* IPC key (for Sys V IPC) */
 210
 211 #ifndef mode_t
 212 typedef __mode_t        mode_t;         /* permissions */
 213 #define mode_t          __mode_t
 214 #endif
 215
 216 typedef short           nlink_t;        /* link count */
 217
 218 #ifndef off_t
 219 typedef __off_t         off_t;          /* file offset */
 220 #define off_t           __off_t
 221 #endif
 222
 223 #ifndef pid_t
 224 typedef __pid_t         pid_t;          /* process id */
 225 #define pid_t           __pid_t
 226 #endif
 227
 228 typedef int32_t         lwpid_t;        /* LWP id */
 229 typedef unsigned long   rlim_t;         /* resource limit */
 230 typedef int32_t         segsz_t;        /* segment size */
 231 typedef int32_t         swblk_t;        /* swap offset */
 232
 233 #ifndef uid_t
 234 typedef __uid_t         uid_t;          /* user id */
 235 #define uid_t           __uid_t
 236 #endif
 237
 238
 239 typedef int             mqd_t;
 240
 241 typedef unsigned long   cpuid_t;
 242
 243 typedef int             psetid_t;
 244
 245 #if defined(_KERNEL) || defined(_STANDALONE)
 246 /*
 247  * Boolean type definitions for the kernel environment.  User-space
 248  * boolean definitions are found in <stdbool.h>.
 249  */
 250 #define bool    _Bool
 251 #define true    1
 252 #define false   0
 253
 254 /*
 255  * Deprecated Mach-style boolean_t type.  Should not be used by new code.
 256  */
 257 typedef int     boolean_t;
 258 #ifndef TRUE
 259 #define TRUE    1
 260 #endif
 261 #ifndef FALSE
 262 #define FALSE   0
 263 #endif
 264
 265 #endif /* _KERNEL || _STANDALONE */
 266
 267 #if defined(_KERNEL) || defined(_LIBC)
 268 /*
 269  * semctl(2)'s argument structure.  This is here for the benefit of
 270  * <sys/syscallargs.h>.  It is not in the user's namespace in SUSv2.
 271  * The SUSv2 semctl(2) takes variable arguments.
 272  */
 273 union __semun {
 274         int             val;            /* value for SETVAL */
 275         struct semid_ds *buf;           /* buffer for IPC_STAT & IPC_SET */
 276         unsigned short  *array;         /* array for GETALL & SETALL */
 277 };
 278 #include <sys/stdint.h>
 279 #endif /* _KERNEL || _LIBC */
 280
 281 /*
 282  * These belong in unistd.h, but are placed here too to ensure that
 283  * long arguments will be promoted to off_t if the program fails to
 284  * include that header or explicitly cast them to off_t.
 285  */
 286 #if defined(_NETBSD_SOURCE)
 287 #ifndef __OFF_T_SYSCALLS_DECLARED
 288 #define __OFF_T_SYSCALLS_DECLARED
 289 #ifndef _KERNEL
 290 #include <sys/cdefs.h>
 291 __BEGIN_DECLS
 292 off_t    lseek(int, off_t, int);
 293 int      ftruncate(int, off_t);
 294 int      truncate(const char *, off_t);
 295 __END_DECLS
 296 #endif /* !_KERNEL */
 297 #endif /* __OFF_T_SYSCALLS_DECLARED */
 298 #endif /* defined(_NETBSD_SOURCE) */
 299
 300 #if defined(_NETBSD_SOURCE)
 301 typedef int32_t __devmajor_t, __devminor_t;
 302 #define devmajor_t __devmajor_t
 303 #define devminor_t __devminor_t
 304 #define NODEVMAJOR (-1)
 305
 306 /* Major, minor numbers, dev_t's. */
 307 #define MAJOR              8    /* major device = (dev>>MAJOR) & 0377 */
 308 #define MINOR              0    /* minor device = (dev>>MINOR) & 0377 */
 309 #define minor(dev)      ((devminor_t)(((dev) >> MINOR) & 0xff))
 310 #define major(dev)      ((devmajor_t)(((dev) >> MAJOR) & 0xff))
 311 #define makedev(major, minor)   \
 312                         ((dev_t) (((major) << MAJOR) | ((minor) << MINOR)))
 313
 314 #endif
 315
 316 #ifdef  _BSD_CLOCK_T_
 317 typedef _BSD_CLOCK_T_           clock_t;
 318 #undef  _BSD_CLOCK_T_
 319 #endif
 320
 321 #ifdef  _BSD_SIZE_T_
 322 typedef _BSD_SIZE_T_            size_t;
 323 #define _SIZE_T
 324 #undef  _BSD_SIZE_T_
 325 #endif
 326
 327 #ifdef  _BSD_SSIZE_T_
 328 typedef _BSD_SSIZE_T_           ssize_t;
 329 #undef  _BSD_SSIZE_T_
 330 #endif
 331
 332 #ifdef  _BSD_TIME_T_
 333 typedef _BSD_TIME_T_            time_t;
 334 #undef  _BSD_TIME_T_
 335 #endif
 336
 337 #ifdef  _BSD_CLOCKID_T_
 338 typedef _BSD_CLOCKID_T_         clockid_t;
 339 #undef  _BSD_CLOCKID_T_
 340 #endif
 341
 342 #ifndef __minix
 343 #ifdef  _BSD_TIMER_T_
 344 typedef _BSD_TIMER_T_           timer_t;
 345 #undef  _BSD_TIMER_T_
 346 #endif
 347 #endif
 348
 349 #ifdef  _BSD_SUSECONDS_T_
 350 typedef _BSD_SUSECONDS_T_       suseconds_t;
 351 #undef  _BSD_SUSECONDS_T_
 352 #endif
 353
 354 #ifdef  _BSD_USECONDS_T_
 355 typedef _BSD_USECONDS_T_        useconds_t;
 356 #undef  _BSD_USECONDS_T_
 357 #endif
 358
 359 #ifdef _NETBSD_SOURCE
 360 #include <sys/fd_set.h>
 361 #define NBBY    __NBBY
 362
 363 typedef struct kauth_cred *kauth_cred_t;
 364
 365 typedef int pri_t;
 366
 367 #endif
 368
 369 #if defined(__STDC__) && (defined(_KERNEL) || defined(_KMEMUSER))
 370 /*
 371  * Forward structure declarations for function prototypes.  We include the
 372  * common structures that cross subsystem boundaries here; others are mostly
 373  * used in the same place that the structure is defined.
 374  */
 375 struct  lwp;
 376 typedef struct lwp lwp_t;
 377 struct  user;
 378 struct  __ucontext;
 379 struct  proc;
 380 typedef struct proc proc_t;
 381 struct  pgrp;
 382 struct  rusage;
 383 struct  file;
 384 typedef struct file file_t;
 385 struct  buf;
 386 typedef struct buf buf_t;
 387 struct  tty;
 388 struct  uio;
 389 #endif
 390
 391 #ifdef _KERNEL
 392 #define SET(t, f)       ((t) |= (f))
 393 #define ISSET(t, f)     ((t) & (f))
 394 #define CLR(t, f)       ((t) &= ~(f))
 395 #endif
 396
 397 #ifndef __minix
 398 #if !defined(_KERNEL) && !defined(_STANDALONE)
 399 #if (_POSIX_C_SOURCE - 0L) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
 400     defined(_NETBSD_SOURCE)
 401 #include <pthread_types.h>
 402 #endif
 403 #endif
 404 #endif /* !__minix */
 405
 406 #endif /* !_SYS_TYPES_H_ */