usr/src/boot/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  * 4. 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  * $FreeBSD$
  36  */
  37
  38 #ifndef _SYS_TYPES_H_
  39 #define _SYS_TYPES_H_
  40
  41 #include <sys/cdefs.h>
  42
  43 /* Machine type dependent parameters. */
  44 #include <machine/endian.h>
  45 #include <sys/_types.h>
  46
  47 #include <sys/_pthreadtypes.h>
  48
  49 #if __BSD_VISIBLE
  50 typedef unsigned char   u_char;
  51 typedef unsigned short  u_short;
  52 typedef unsigned int    u_int;
  53 typedef unsigned long   u_long;
  54 #ifndef _KERNEL
  55 typedef unsigned short  ushort;         /* Sys V compatibility */
  56 typedef unsigned int    uint;           /* Sys V compatibility */
  57 #endif
  58 #endif
  59
  60 /*
  61  * POSIX Extensions
  62  */
  63 typedef unsigned char   uchar_t;
  64 typedef unsigned short  ushort_t;
  65 typedef unsigned int    uint_t;
  66 typedef unsigned long   ulong_t;
  67
  68 /*
  69  * XXX POSIX sized integrals that should appear only in <sys/stdint.h>.
  70  */
  71 #include <sys/_stdint.h>
  72
  73 typedef __uint8_t       u_int8_t;       /* unsigned integrals (deprecated) */
  74 typedef __uint16_t      u_int16_t;
  75 typedef __uint32_t      u_int32_t;
  76 typedef __uint64_t      u_int64_t;
  77
  78 typedef __uint64_t      u_quad_t;       /* quads (deprecated) */
  79 typedef __int64_t       quad_t;
  80 typedef quad_t *        qaddr_t;
  81
  82 typedef char *          caddr_t;        /* core address */
  83 typedef const char *    c_caddr_t;      /* core address, pointer to const */
  84
  85 #ifndef _BLKSIZE_T_DECLARED
  86 typedef __blksize_t     blksize_t;
  87 #define _BLKSIZE_T_DECLARED
  88 #endif
  89
  90 typedef __cpuwhich_t    cpuwhich_t;
  91 typedef __cpulevel_t    cpulevel_t;
  92 typedef __cpusetid_t    cpusetid_t;
  93
  94 #ifndef _BLKCNT_T_DECLARED
  95 typedef __blkcnt_t      blkcnt_t;
  96 #define _BLKCNT_T_DECLARED
  97 #endif
  98
  99 #ifndef _CLOCK_T_DECLARED
 100 typedef __clock_t       clock_t;
 101 #define _CLOCK_T_DECLARED
 102 #endif
 103
 104 #ifndef _CLOCKID_T_DECLARED
 105 typedef __clockid_t     clockid_t;
 106 #define _CLOCKID_T_DECLARED
 107 #endif
 108
 109 typedef __critical_t    critical_t;     /* Critical section value */
 110 typedef __int64_t       daddr_t;        /* disk address */
 111
 112 #ifndef _DEV_T_DECLARED
 113 typedef __dev_t         dev_t;          /* device number or struct cdev */
 114 #define _DEV_T_DECLARED
 115 #endif
 116
 117 #ifndef _FFLAGS_T_DECLARED
 118 typedef __fflags_t      fflags_t;       /* file flags */
 119 #define _FFLAGS_T_DECLARED
 120 #endif
 121
 122 typedef __fixpt_t       fixpt_t;        /* fixed point number */
 123
 124 #ifndef _FSBLKCNT_T_DECLARED            /* for statvfs() */
 125 typedef __fsblkcnt_t    fsblkcnt_t;
 126 typedef __fsfilcnt_t    fsfilcnt_t;
 127 #define _FSBLKCNT_T_DECLARED
 128 #endif
 129
 130 #ifndef _GID_T_DECLARED
 131 typedef __gid_t         gid_t;          /* group id */
 132 #define _GID_T_DECLARED
 133 #endif
 134
 135 #ifndef _IN_ADDR_T_DECLARED
 136 typedef __uint32_t      in_addr_t;      /* base type for internet address */
 137 #define _IN_ADDR_T_DECLARED
 138 #endif
 139
 140 #ifndef _IN_PORT_T_DECLARED
 141 typedef __uint16_t      in_port_t;
 142 #define _IN_PORT_T_DECLARED
 143 #endif
 144
 145 #ifndef _ID_T_DECLARED
 146 typedef __id_t          id_t;           /* can hold a uid_t or pid_t */
 147 #define _ID_T_DECLARED
 148 #endif
 149
 150 #ifndef _INO_T_DECLARED
 151 typedef __ino_t         ino_t;          /* inode number */
 152 #define _INO_T_DECLARED
 153 #endif
 154
 155 #ifndef _KEY_T_DECLARED
 156 typedef __key_t         key_t;          /* IPC key (for Sys V IPC) */
 157 #define _KEY_T_DECLARED
 158 #endif
 159
 160 #ifndef _LWPID_T_DECLARED
 161 typedef __lwpid_t       lwpid_t;        /* Thread ID (a.k.a. LWP) */
 162 #define _LWPID_T_DECLARED
 163 #endif
 164
 165 #ifndef _MODE_T_DECLARED
 166 typedef __mode_t        mode_t;         /* permissions */
 167 #define _MODE_T_DECLARED
 168 #endif
 169
 170 #ifndef _ACCMODE_T_DECLARED
 171 typedef __accmode_t     accmode_t;      /* access permissions */
 172 #define _ACCMODE_T_DECLARED
 173 #endif
 174
 175 #ifndef _NLINK_T_DECLARED
 176 typedef __nlink_t       nlink_t;        /* link count */
 177 #define _NLINK_T_DECLARED
 178 #endif
 179
 180 #ifndef _OFF_T_DECLARED
 181 typedef __off_t         off_t;          /* file offset */
 182 #define _OFF_T_DECLARED
 183 #endif
 184
 185 #ifndef _PID_T_DECLARED
 186 typedef __pid_t         pid_t;          /* process id */
 187 #define _PID_T_DECLARED
 188 #endif
 189
 190 typedef __register_t    register_t;
 191
 192 #ifndef _RLIM_T_DECLARED
 193 typedef __rlim_t        rlim_t;         /* resource limit */
 194 #define _RLIM_T_DECLARED
 195 #endif
 196
 197 typedef __int64_t       sbintime_t;
 198
 199 typedef __segsz_t       segsz_t;        /* segment size (in pages) */
 200
 201 #ifndef _SIZE_T_DECLARED
 202 typedef __size_t        size_t;
 203 #define _SIZE_T_DECLARED
 204 #endif
 205
 206 #ifndef _SSIZE_T_DECLARED
 207 typedef __ssize_t       ssize_t;
 208 #define _SSIZE_T_DECLARED
 209 #endif
 210
 211 #ifndef _SUSECONDS_T_DECLARED
 212 typedef __suseconds_t   suseconds_t;    /* microseconds (signed) */
 213 #define _SUSECONDS_T_DECLARED
 214 #endif
 215
 216 #ifndef _TIME_T_DECLARED
 217 typedef __time_t        time_t;
 218 #define _TIME_T_DECLARED
 219 #endif
 220
 221 #ifndef _TIMER_T_DECLARED
 222 typedef __timer_t       timer_t;
 223 #define _TIMER_T_DECLARED
 224 #endif
 225
 226 #ifndef _MQD_T_DECLARED
 227 typedef __mqd_t mqd_t;
 228 #define _MQD_T_DECLARED
 229 #endif
 230
 231 typedef __u_register_t  u_register_t;
 232
 233 #ifndef _UID_T_DECLARED
 234 typedef __uid_t         uid_t;          /* user id */
 235 #define _UID_T_DECLARED
 236 #endif
 237
 238 #ifndef _USECONDS_T_DECLARED
 239 typedef __useconds_t    useconds_t;     /* microseconds (unsigned) */
 240 #define _USECONDS_T_DECLARED
 241 #endif
 242
 243 #ifndef _CAP_IOCTL_T_DECLARED
 244 #define _CAP_IOCTL_T_DECLARED
 245 typedef unsigned long   cap_ioctl_t;
 246 #endif
 247
 248 #ifndef _CAP_RIGHTS_T_DECLARED
 249 #define _CAP_RIGHTS_T_DECLARED
 250 struct cap_rights;
 251
 252 typedef struct cap_rights       cap_rights_t;
 253 #endif
 254
 255 typedef __vm_offset_t   vm_offset_t;
 256 typedef __vm_ooffset_t  vm_ooffset_t;
 257 typedef __vm_paddr_t    vm_paddr_t;
 258 typedef __vm_pindex_t   vm_pindex_t;
 259 typedef __vm_size_t     vm_size_t;
 260
 261 typedef __rman_res_t    rman_res_t;
 262
 263 #ifdef _KERNEL
 264 typedef int             boolean_t;
 265 typedef struct device   *device_t;
 266 typedef __intfptr_t     intfptr_t;
 267
 268 /*
 269  * XXX this is fixed width for historical reasons.  It should have had type
 270  * __int_fast32_t.  Fixed-width types should not be used unless binary
 271  * compatibility is essential.  Least-width types should be used even less
 272  * since they provide smaller benefits.
 273  *
 274  * XXX should be MD.
 275  *
 276  * XXX this is bogus in -current, but still used for spl*().
 277  */
 278 typedef __uint32_t      intrmask_t;     /* Interrupt mask (spl, xxx_imask...) */
 279
 280 typedef __uintfptr_t    uintfptr_t;
 281 typedef __uint64_t      uoff_t;
 282 typedef char            vm_memattr_t;   /* memory attribute codes */
 283 typedef struct vm_page  *vm_page_t;
 284
 285 #if !defined(__bool_true_false_are_defined) && !defined(__cplusplus)
 286 #define __bool_true_false_are_defined   1
 287 #define false   0
 288 #define true    1
 289 #if __STDC_VERSION__ < 199901L && __GNUC__ < 3 && !defined(__INTEL_COMPILER)
 290 typedef int     _Bool;
 291 #endif
 292 typedef _Bool   bool;
 293 #endif /* !__bool_true_false_are_defined && !__cplusplus */
 294
 295 #define offsetof(type, field) __offsetof(type, field)
 296
 297 #else
 298 /* for illumos compatibility */
 299 typedef enum boolean { B_FALSE, B_TRUE } boolean_t;
 300
 301 #endif /* !_KERNEL */
 302
 303 /*
 304  * The following are all things that really shouldn't exist in this header,
 305  * since its purpose is to provide typedefs, not miscellaneous doodads.
 306  */
 307
 308 #ifdef __POPCNT__
 309 #define __bitcount64(x) __builtin_popcountll((__uint64_t)(x))
 310 #define __bitcount32(x) __builtin_popcount((__uint32_t)(x))
 311 #define __bitcount16(x) __builtin_popcount((__uint16_t)(x))
 312 #define __bitcountl(x)  __builtin_popcountl((unsigned long)(x))
 313 #define __bitcount(x)   __builtin_popcount((unsigned int)(x))
 314 #else
 315 /*
 316  * Population count algorithm using SWAR approach
 317  * - "SIMD Within A Register".
 318  */
 319 static __inline __uint16_t
 320 __bitcount16(__uint16_t _x)
 321 {
 322
 323         _x = (_x & 0x5555) + ((_x & 0xaaaa) >> 1);
 324         _x = (_x & 0x3333) + ((_x & 0xcccc) >> 2);
 325         _x = (_x + (_x >> 4)) & 0x0f0f;
 326         _x = (_x + (_x >> 8)) & 0x00ff;
 327         return (_x);
 328 }
 329
 330 static __inline __uint32_t
 331 __bitcount32(__uint32_t _x)
 332 {
 333
 334         _x = (_x & 0x55555555) + ((_x & 0xaaaaaaaa) >> 1);
 335         _x = (_x & 0x33333333) + ((_x & 0xcccccccc) >> 2);
 336         _x = (_x + (_x >> 4)) & 0x0f0f0f0f;
 337         _x = (_x + (_x >> 8));
 338         _x = (_x + (_x >> 16)) & 0x000000ff;
 339         return (_x);
 340 }
 341
 342 #ifdef __LP64__
 343 static __inline __uint64_t
 344 __bitcount64(__uint64_t _x)
 345 {
 346
 347         _x = (_x & 0x5555555555555555) + ((_x & 0xaaaaaaaaaaaaaaaa) >> 1);
 348         _x = (_x & 0x3333333333333333) + ((_x & 0xcccccccccccccccc) >> 2);
 349         _x = (_x + (_x >> 4)) & 0x0f0f0f0f0f0f0f0f;
 350         _x = (_x + (_x >> 8));
 351         _x = (_x + (_x >> 16));
 352         _x = (_x + (_x >> 32)) & 0x000000ff;
 353         return (_x);
 354 }
 355
 356 #define __bitcountl(x)  __bitcount64((unsigned long)(x))
 357 #else
 358 static __inline __uint64_t
 359 __bitcount64(__uint64_t _x)
 360 {
 361
 362         return (__bitcount32(_x >> 32) + __bitcount32(_x));
 363 }
 364
 365 #define __bitcountl(x)  __bitcount32((unsigned long)(x))
 366 #endif
 367 #define __bitcount(x)   __bitcount32((unsigned int)(x))
 368 #endif
 369
 370 #if __BSD_VISIBLE
 371
 372 #include <sys/select.h>
 373
 374 /*
 375  * minor() gives a cookie instead of an index since we don't want to
 376  * change the meanings of bits 0-15 or waste time and space shifting
 377  * bits 16-31 for devices that don't use them.
 378  */
 379 #define major(x)        ((int)(((u_int)(x) >> 8)&0xff)) /* major number */
 380 #define minor(x)        ((int)((x)&0xffff00ff))         /* minor number */
 381 #define makedev(x,y)    ((dev_t)(((x) << 8) | (y)))     /* create dev_t */
 382
 383 /*
 384  * These declarations belong elsewhere, but are repeated here and in
 385  * <stdio.h> to give broken programs a better chance of working with
 386  * 64-bit off_t's.
 387  */
 388 #ifndef _KERNEL
 389 __BEGIN_DECLS
 390 #ifndef _FTRUNCATE_DECLARED
 391 #define _FTRUNCATE_DECLARED
 392 int      ftruncate(int, off_t);
 393 #endif
 394 #ifndef _LSEEK_DECLARED
 395 #define _LSEEK_DECLARED
 396 off_t    lseek(int, off_t, int);
 397 #endif
 398 #ifndef _MMAP_DECLARED
 399 #define _MMAP_DECLARED
 400 void *   mmap(void *, size_t, int, int, int, off_t);
 401 #endif
 402 #ifndef _TRUNCATE_DECLARED
 403 #define _TRUNCATE_DECLARED
 404 int      truncate(const char *, off_t);
 405 #endif
 406 __END_DECLS
 407 #endif /* !_KERNEL */
 408
 409 #endif /* __BSD_VISIBLE */
 410
 411 #endif /* !_SYS_TYPES_H_ */