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/stdarg.h>
  48 #include <machine/endian.h>
  49 #ifndef _MACHINE_TYPES_H_
  50 #include <machine/types.h>
  51 #endif
  52 #ifndef _SYS_STDINT_H_
  53 #include <sys/stdint.h>
  54 #endif
  55 #ifndef _SYS__PTHREADTYPES_H_
  56 #include <sys/_pthreadtypes.h>
  57 #endif
  58
  59 #if __BSD_VISIBLE
  60 typedef unsigned char   u_char;
  61 typedef unsigned short  u_short;
  62 typedef unsigned int    u_int;
  63 typedef unsigned long   u_long;
  64
  65 typedef unsigned char   unchar;         /* Sys V compatibility */
  66 typedef unsigned short  ushort;         /* Sys V compatibility */
  67 typedef unsigned int    uint;           /* Sys V compatibility */
  68 typedef unsigned long   ulong;          /* Sys V compatibility */
  69 #endif
  70
  71 typedef __uint8_t       u_int8_t;
  72 typedef __uint16_t      u_int16_t;
  73 typedef __uint32_t      u_int32_t;
  74 typedef __uint64_t      u_int64_t;
  75 typedef __uint64_t      u_quad_t;       /* quads */
  76 typedef __int64_t       quad_t;
  77 typedef quad_t *        qaddr_t;
  78
  79 typedef __int64_t       blkcnt_t;       /* file block count */
  80 typedef __int64_t       blksize_t;      /* block size */
  81 typedef char *          caddr_t;        /* core address */
  82 typedef const char *    c_caddr_t;      /* core address, pointer to const */
  83 typedef volatile char * v_caddr_t;      /* core address, pointer to volatile */
  84 typedef __int32_t       daddr_t;        /* disk address */
  85 typedef __uint32_t      u_daddr_t;      /* unsigned disk address */
  86 typedef __uint32_t      fixpt_t;        /* fixed point number */
  87 typedef __uint64_t      fsblkcnt_t;     /* filesystem block count */
  88 typedef __uint64_t      fsfilcnt_t;     /* filesystem file count */
  89 #ifndef _GID_T_DECLARED
  90 typedef __uint32_t      gid_t;          /* group id */
  91 #define _GID_T_DECLARED
  92 #endif
  93 typedef __int64_t       id_t;           /* general id, can hold gid/pid/uid_t */
  94 typedef __uint32_t      in_addr_t;      /* base type for internet address */
  95 typedef __uint16_t      in_port_t;
  96 typedef __uint64_t      ino_t;          /* inode number */
  97 typedef long            key_t;          /* IPC key (for Sys V IPC) */
  98 typedef __uint16_t      mode_t;         /* permissions */
  99 typedef __uint32_t      nlink_t;        /* link count */
 100 #ifndef _OFF_T_DECLARED
 101 typedef __off_t         off_t;          /* file offset */
 102 #define _OFF_T_DECLARED
 103 #endif
 104 #ifndef _PID_T_DECLARED
 105 typedef __pid_t         pid_t;          /* process id */
 106 #define _PID_T_DECLARED
 107 #endif
 108 typedef __pid_t         lwpid_t;        /* light weight process id */
 109 typedef quad_t          rlim_t;         /* resource limit */
 110 typedef __segsz_t       segsz_t;        /* segment size */
 111 #ifndef _SUSECONDS_T_DECLARED
 112 typedef long            suseconds_t;    /* microseconds (signed) */
 113 #define _SUSECONDS_T_DECLARED
 114 #endif
 115 #ifndef _UID_T_DECLARED
 116 typedef __uint32_t      uid_t;          /* user id */
 117 #define _UID_T_DECLARED
 118 #endif
 119 typedef __uint32_t      useconds_t;     /* microseconds (unsigned) */
 120 typedef int             mqd_t;          /* message queue descriptor */
 121
 122 #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES)
 123
 124 #ifndef __BOOLEAN_T_DEFINED__
 125 #define __BOOLEAN_T_DEFINED__
 126 typedef __boolean_t     boolean_t;
 127 #endif
 128
 129 typedef u_int64_t       uoff_t;
 130
 131 #ifdef _KERNEL
 132 #if !defined(__bool_true_false_are_defined) && !defined(__cplusplus)
 133 #define __bool_true_false_are_defined   1
 134 #define false   0
 135 #define true    1
 136 #if __STDC_VERSION__ < 199901L && __GNUC__ < 3
 137 typedef int     _Bool;
 138 #endif
 139 typedef _Bool   bool;
 140 #endif /* !__bool_true_false_are_defined && !__cplusplus */
 141 #endif /* _KERNEL */
 142
 143 #endif /* _KERNEL || _KERNEL_STRUCTURES */
 144
 145 /*
 146  * XXX cdev_t has different meanings for userland vs kernel compiles.  What
 147  * do we do for _KERNEL_STRUCTURES ?  For the moment stick with the userland
 148  * meaning as being the more compatible solution.
 149  */
 150
 151 #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES)
 152
 153 struct cdev;
 154
 155 typedef u_int32_t       udev_t;         /* device number */
 156 typedef struct cdev     *cdev_t;
 157
 158 #endif
 159
 160 /*
 161  * The kernel now uses only udev_t or cdev_t.  Userland uses dev_t.
 162  * Virtual kernel builds needs dev_t in order to include userland header
 163  * files.
 164  */
 165 #ifdef _KERNEL
 166
 167 #define offsetof(type, field) __offsetof(type, field)
 168 typedef udev_t          dev_t;          /* device number */
 169
 170 #else
 171
 172 typedef u_int32_t       dev_t;          /* device number */
 173 #define udev_t dev_t
 174
 175 #if __BSD_VISIBLE
 176
 177 /*
 178  * minor() gives a cookie instead of an index since we don't want to
 179  * change the meanings of bits 0-15 or waste time and space shifting
 180  * bits 16-31 for devices that don't use them.
 181  */
 182 #define major(x)        ((int)(((u_int)(x) >> 8)&0xff)) /* major number */
 183 #define minor(x)        ((int)((x)&0xffff00ff))         /* minor number */
 184 #define makedev(x,y)    ((dev_t)(((x) << 8) | (y)))     /* create dev_t */
 185
 186 #endif /* __BSD_VISIBLE */
 187
 188 #endif /* !_KERNEL */
 189
 190 #ifndef _CLOCK_T_DECLARED
 191 #define _CLOCK_T_DECLARED
 192 typedef __clock_t       clock_t;
 193 #endif
 194
 195 #ifndef _CLOCKID_T_DECLARED
 196 #define _CLOCKID_T_DECLARED
 197 typedef __clockid_t     clockid_t;
 198 #endif
 199
 200 #ifndef _SIZE_T_DECLARED
 201 #define _SIZE_T_DECLARED
 202 typedef __size_t        size_t;         /* _GCC_SIZE_T OK */
 203 #endif
 204
 205 #ifndef _SSIZE_T_DECLARED
 206 #define _SSIZE_T_DECLARED
 207 typedef __ssize_t       ssize_t;
 208 #endif
 209
 210 #ifndef _TIME_T_DECLARED
 211 #define _TIME_T_DECLARED
 212 typedef __time_t        time_t;
 213 #endif
 214
 215 #ifndef _TIMER_T_DECLARED
 216 #define _TIMER_T_DECLARED
 217 typedef __timer_t       timer_t;
 218 #endif
 219
 220 #if __BSD_VISIBLE
 221
 222 #include <sys/fd_set.h>
 223 #include <sys/_timeval.h>
 224
 225 #define NBBY 8          /* number of bits in a byte */
 226 /*
 227  * These declarations belong elsewhere, but are repeated here and in
 228  * <stdio.h> to give broken programs a better chance of working with
 229  * 64-bit off_t's.
 230  */
 231 #ifndef _KERNEL
 232 __BEGIN_DECLS
 233 #ifndef _FTRUNCATE_DECLARED
 234 #define _FTRUNCATE_DECLARED
 235 int      ftruncate(int, off_t);
 236 #endif
 237 #ifndef _LSEEK_DECLARED
 238 #define _LSEEK_DECLARED
 239 off_t    lseek(int, off_t, int);
 240 #endif
 241 #ifndef _MMAP_DECLARED
 242 #define _MMAP_DECLARED
 243 void *   mmap(void *, size_t, int, int, int, off_t);
 244 #endif
 245 #ifndef _TRUNCATE_DECLARED
 246 #define _TRUNCATE_DECLARED
 247 int      truncate(const char *, off_t);
 248 #endif
 249 __END_DECLS
 250 #endif /* !_KERNEL */
 251
 252 #endif /* __BSD_VISIBLE */
 253
 254 /*
 255  * rune_t is declared to be an ``int'' instead of the more natural
 256  * ``unsigned long'' or ``long''.  Two things are happening here.  It is not
 257  * unsigned so that EOF (-1) can be naturally assigned to it and used.  Also,
 258  * it looks like 10646 will be a 31 bit standard.  This means that if your
 259  * ints cannot hold 32 bits, you will be in trouble.  The reason an int was
 260  * chosen over a long is that the is*() and to*() routines take ints (says
 261  * ANSI C), but they use __ct_rune_t instead of int.
 262  *
 263  * NOTE: rune_t is not covered by ANSI nor other standards, and should not
 264  * be instantiated outside of lib/libc/locale.  Use wchar_t.  wint_t and
 265  * rune_t must be the same type.  Also, wint_t should be able to hold all
 266  * members of the largest character set plus one extra value (WEOF), and
 267  * must be at least 16 bits.
 268  */
 269 typedef int             __ct_rune_t;    /* arg type for ctype funcs */
 270 #ifndef ___RUNE_T_DECLARED
 271 typedef __ct_rune_t     __rune_t;       /* rune_t (see above) */
 272 #define ___RUNE_T_DECLARED
 273 #endif
 274 #ifndef ___WINT_T_DECLARED
 275 typedef __ct_rune_t     __wint_t;       /* wint_t (see above) */
 276 #define ___WINT_T_DECLARED
 277 #endif
 278
 279 /*
 280  * Also required for locale support
 281  */
 282 typedef int             __nl_item;
 283
 284 /* Clang already provides these types as built-ins, but only in c++ mode. */
 285 #if !defined(__clang__) || !defined(__cplusplus)
 286 typedef __uint_least16_t        __char16_t;
 287 typedef __uint_least32_t        __char32_t;
 288 #endif
 289
 290 #endif /* !_SYS_TYPES_H_ */