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. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  *      @(#)types.h     8.6 (Berkeley) 2/19/95
  35  * $FreeBSD: src/sys/sys/types.h,v 1.40.2.2 2001/04/21 14:53:06 ume Exp $
  36  */
  37
  38 #ifndef _SYS_TYPES_H_
  39 #define _SYS_TYPES_H_
  40
  41 #ifndef _SYS_CDEFS_H_
  42 #include <sys/cdefs.h>
  43 #endif
  44 #ifndef _STDINT_H_
  45 #include <stdint.h>
  46 #endif
  47 #include <machine/endian.h>
  48 #ifndef _MACHINE_TYPES_H_
  49 #include <machine/types.h>
  50 #endif
  51 #ifndef _SYS_STDINT_H_
  52 #include <sys/stdint.h>
  53 #endif
  54 #ifndef _SYS__PTHREADTYPES_H_
  55 #include <sys/_pthreadtypes.h>
  56 #endif
  57
  58 #if __BSD_VISIBLE
  59 typedef unsigned char   u_char;
  60 typedef unsigned short  u_short;
  61 typedef unsigned int    u_int;
  62 typedef unsigned long   u_long;
  63
  64 typedef unsigned char   unchar;         /* Sys V compatibility */
  65 typedef unsigned short  ushort;         /* Sys V compatibility */
  66 typedef unsigned int    uint;           /* Sys V compatibility */
  67 typedef unsigned long   ulong;          /* Sys V compatibility */
  68 #endif
  69
  70 typedef __uint8_t       u_int8_t;
  71 typedef __uint16_t      u_int16_t;
  72 typedef __uint32_t      u_int32_t;
  73 typedef __uint64_t      u_int64_t;
  74 typedef __uint64_t      u_quad_t;       /* quads */
  75 typedef __int64_t       quad_t;
  76 typedef quad_t *        qaddr_t;
  77
  78 typedef __int64_t       blkcnt_t;       /* file block count */
  79 typedef __int64_t       blksize_t;      /* block size */
  80 typedef char *          caddr_t;        /* core address */
  81 typedef const char *    c_caddr_t;      /* core address, pointer to const */
  82 typedef volatile char * v_caddr_t;      /* core address, pointer to volatile */
  83 typedef __int32_t       daddr_t;        /* disk address */
  84 typedef __uint32_t      u_daddr_t;      /* unsigned disk address */
  85 typedef __uint32_t      fixpt_t;        /* fixed point number */
  86 #ifndef _FSBLKCNT_T_DECLARED
  87 typedef __uint64_t      fsblkcnt_t;     /* filesystem block count */
  88 #define _FSBLKCNT_T_DECLARED
  89 #endif
  90 #ifndef _FSFILCNT_T_DECLARED
  91 typedef __uint64_t      fsfilcnt_t;     /* filesystem file count */
  92 #define _FSFILCNT_T_DECLARED
  93 #endif
  94 #ifndef _GID_T_DECLARED
  95 typedef __uint32_t      gid_t;          /* group id */
  96 #define _GID_T_DECLARED
  97 #endif
  98 #ifndef _ID_T_DECLARED
  99 typedef __int64_t       id_t;           /* general id, can hold gid/pid/uid_t */
 100 #define _ID_T_DECLARED
 101 #endif
 102 typedef __uint32_t      in_addr_t;      /* base type for internet address */
 103 typedef __uint16_t      in_port_t;
 104 typedef __uint64_t      ino_t;          /* inode number */
 105 typedef long            key_t;          /* IPC key (for Sys V IPC) */
 106 #ifndef _MODE_T_DECLARED
 107 typedef __uint16_t      mode_t;         /* permissions */
 108 #define _MODE_T_DECLARED
 109 #endif
 110 typedef __uint32_t      nlink_t;        /* link count */
 111 #ifndef _OFF_T_DECLARED
 112 typedef __off_t         off_t;          /* file offset */
 113 #define _OFF_T_DECLARED
 114 #endif
 115 #ifndef _PID_T_DECLARED
 116 typedef __pid_t         pid_t;          /* process id */
 117 #define _PID_T_DECLARED
 118 #endif
 119 #ifndef _RLIM_T_DECLARED
 120 typedef __rlim_t        rlim_t;         /* resource limit */
 121 #define _RLIM_T_DECLARED
 122 #endif
 123 typedef __segsz_t       segsz_t;        /* segment size */
 124 #ifndef _SUSECONDS_T_DECLARED
 125 typedef __suseconds_t   suseconds_t;    /* microseconds (signed) */
 126 #define _SUSECONDS_T_DECLARED
 127 #endif
 128 #ifndef _UID_T_DECLARED
 129 typedef __uint32_t      uid_t;          /* user id */
 130 #define _UID_T_DECLARED
 131 #endif
 132 typedef __uint32_t      useconds_t;     /* microseconds (unsigned) */
 133 typedef int             mqd_t;          /* message queue descriptor */
 134
 135 #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES)
 136
 137 #ifndef __BOOLEAN_T_DEFINED__
 138 #define __BOOLEAN_T_DEFINED__
 139 typedef __boolean_t     boolean_t;
 140 #endif
 141
 142 typedef u_int64_t       uoff_t;
 143
 144 #ifdef _KERNEL
 145 #if !defined(__bool_true_false_are_defined) && !defined(__cplusplus)
 146 #define __bool_true_false_are_defined   1
 147 #define false   0
 148 #define true    1
 149 #if __STDC_VERSION__ < 199901L && __GNUC__ < 3
 150 typedef int     _Bool;
 151 #endif
 152 typedef _Bool   bool;
 153 #endif /* !__bool_true_false_are_defined && !__cplusplus */
 154 #endif /* _KERNEL */
 155
 156 #endif /* _KERNEL || _KERNEL_STRUCTURES */
 157
 158 /*
 159  * XXX cdev_t has different meanings for userland vs kernel compiles.  What
 160  * do we do for _KERNEL_STRUCTURES ?  For the moment stick with the userland
 161  * meaning as being the more compatible solution.
 162  */
 163
 164 #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES)
 165
 166 struct cdev;
 167
 168 typedef u_int32_t       udev_t;         /* device number */
 169 typedef struct cdev     *cdev_t;
 170
 171 #endif
 172
 173 /*
 174  * The kernel now uses only udev_t or cdev_t.  Userland uses dev_t.
 175  * Virtual kernel builds needs dev_t in order to include userland header
 176  * files.
 177  */
 178 #ifdef _KERNEL
 179
 180 #define offsetof(type, field) __offsetof(type, field)
 181 typedef udev_t          dev_t;          /* device number */
 182
 183 #else
 184
 185 typedef u_int32_t       dev_t;          /* device number */
 186 #define udev_t dev_t
 187
 188 #if __BSD_VISIBLE
 189
 190 /*
 191  * minor() gives a cookie instead of an index since we don't want to
 192  * change the meanings of bits 0-15 or waste time and space shifting
 193  * bits 16-31 for devices that don't use them.
 194  */
 195 #define major(x)        ((int)(((u_int)(x) >> 8)&0xff)) /* major number */
 196 #define minor(x)        ((int)((x)&0xffff00ff))         /* minor number */
 197 #define makedev(x,y)    ((dev_t)(((x) << 8) | (y)))     /* create dev_t */
 198
 199 #endif /* __BSD_VISIBLE */
 200
 201 #endif /* !_KERNEL */
 202
 203 #ifndef _CLOCK_T_DECLARED
 204 #define _CLOCK_T_DECLARED
 205 typedef __clock_t       clock_t;
 206 #endif
 207
 208 #ifndef _CLOCKID_T_DECLARED
 209 #define _CLOCKID_T_DECLARED
 210 typedef __clockid_t     clockid_t;
 211 #endif
 212
 213 #if __BSD_VISIBLE
 214 #ifndef _LWPID_T_DECLARED
 215 #define _LWPID_T_DECLARED
 216 typedef __pid_t         lwpid_t;        /* light weight process id */
 217 #endif
 218 #endif
 219
 220 #ifndef _SIZE_T_DECLARED
 221 #define _SIZE_T_DECLARED
 222 typedef __size_t        size_t;         /* _GCC_SIZE_T OK */
 223 #endif
 224
 225 #ifndef _SSIZE_T_DECLARED
 226 #define _SSIZE_T_DECLARED
 227 typedef __ssize_t       ssize_t;
 228 #endif
 229
 230 #ifndef _TIME_T_DECLARED
 231 #define _TIME_T_DECLARED
 232 typedef __time_t        time_t;
 233 #endif
 234
 235 #ifndef _TIMER_T_DECLARED
 236 #define _TIMER_T_DECLARED
 237 typedef __timer_t       timer_t;
 238 #endif
 239
 240 #if __BSD_VISIBLE
 241
 242 #include <sys/fd_set.h>
 243 #include <sys/_timeval.h>
 244
 245 #define NBBY 8          /* number of bits in a byte */
 246 /*
 247  * These declarations belong elsewhere, but are repeated here and in
 248  * <stdio.h> to give broken programs a better chance of working with
 249  * 64-bit off_t's.
 250  */
 251 #ifndef _KERNEL
 252 __BEGIN_DECLS
 253 #ifndef _FTRUNCATE_DECLARED
 254 #define _FTRUNCATE_DECLARED
 255 int      ftruncate(int, off_t);
 256 #endif
 257 #ifndef _LSEEK_DECLARED
 258 #define _LSEEK_DECLARED
 259 off_t    lseek(int, off_t, int);
 260 #endif
 261 #ifndef _MMAP_DECLARED
 262 #define _MMAP_DECLARED
 263 void *   mmap(void *, size_t, int, int, int, off_t);
 264 #endif
 265 #ifndef _TRUNCATE_DECLARED
 266 #define _TRUNCATE_DECLARED
 267 int      truncate(const char *, off_t);
 268 #endif
 269 __END_DECLS
 270 #endif /* !_KERNEL */
 271
 272 #endif /* __BSD_VISIBLE */
 273
 274 /*
 275  * rune_t is declared to be an ``int'' instead of the more natural
 276  * ``unsigned long'' or ``long''.  Two things are happening here.  It is not
 277  * unsigned so that EOF (-1) can be naturally assigned to it and used.  Also,
 278  * it looks like 10646 will be a 31 bit standard.  This means that if your
 279  * ints cannot hold 32 bits, you will be in trouble.  The reason an int was
 280  * chosen over a long is that the is*() and to*() routines take ints (says
 281  * ANSI C), but they use __ct_rune_t instead of int.
 282  *
 283  * NOTE: rune_t is not covered by ANSI nor other standards, and should not
 284  * be instantiated outside of lib/libc/locale.  Use wchar_t.  wint_t and
 285  * rune_t must be the same type.  Also, wint_t should be able to hold all
 286  * members of the largest character set plus one extra value (WEOF), and
 287  * must be at least 16 bits.
 288  */
 289 typedef int             __ct_rune_t;    /* arg type for ctype funcs */
 290 #ifndef ___RUNE_T_DECLARED
 291 typedef __ct_rune_t     __rune_t;       /* rune_t (see above) */
 292 #define ___RUNE_T_DECLARED
 293 #endif
 294 #ifndef ___WINT_T_DECLARED
 295 typedef __ct_rune_t     __wint_t;       /* wint_t (see above) */
 296 #define ___WINT_T_DECLARED
 297 #endif
 298
 299 /*
 300  * Also required for locale support
 301  */
 302 typedef int             __nl_item;
 303
 304 /* Clang already provides these types as built-ins, but only in c++ mode. */
 305 #if !defined(__clang__) || !defined(__cplusplus)
 306 typedef __uint_least16_t        __char16_t;
 307 typedef __uint_least32_t        __char32_t;
 308 #endif
 309
 310 #endif /* !_SYS_TYPES_H_ */