1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 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 8.6 (Berkeley) 2/19/95 37 * $FreeBSD$ 38 */ 39 40 #ifndef _SYS_TYPES_H_ 41 #define _SYS_TYPES_H_ 42 43 #include <sys/cdefs.h> 44 45 /* Machine type dependent parameters. */ 46 #include <machine/endian.h> 47 #include <sys/_types.h> 48 49 #include <sys/_pthreadtypes.h> 50 51 #if __BSD_VISIBLE 52 typedef unsigned char u_char; 53 typedef unsigned short u_short; 54 typedef unsigned int u_int; 55 typedef unsigned long u_long; 56 #ifndef _KERNEL 57 typedef unsigned short ushort; /* Sys V compatibility */ 58 typedef unsigned int uint; /* Sys V compatibility */ 59 #endif 60 #endif 61 62 /* 63 * XXX POSIX sized integrals that should appear only in <sys/stdint.h>. 64 */ 65 #include <sys/_stdint.h> 66 67 typedef __uint8_t u_int8_t; /* unsigned integrals (deprecated) */ 68 typedef __uint16_t u_int16_t; 69 typedef __uint32_t u_int32_t; 70 typedef __uint64_t u_int64_t; 71 72 typedef __uint64_t u_quad_t; /* quads (deprecated) */ 73 typedef __int64_t quad_t; 74 typedef quad_t * qaddr_t; 75 76 typedef char * caddr_t; /* core address */ 77 typedef const char * c_caddr_t; /* core address, pointer to const */ 78 79 #ifndef _BLKSIZE_T_DECLARED 80 typedef __blksize_t blksize_t; 81 #define _BLKSIZE_T_DECLARED 82 #endif 83 84 typedef __cpuwhich_t cpuwhich_t; 85 typedef __cpulevel_t cpulevel_t; 86 typedef __cpusetid_t cpusetid_t; 87 88 #ifndef _BLKCNT_T_DECLARED 89 typedef __blkcnt_t blkcnt_t; 90 #define _BLKCNT_T_DECLARED 91 #endif 92 93 #ifndef _CLOCK_T_DECLARED 94 typedef __clock_t clock_t; 95 #define _CLOCK_T_DECLARED 96 #endif 97 98 #ifndef _CLOCKID_T_DECLARED 99 typedef __clockid_t clockid_t; 100 #define _CLOCKID_T_DECLARED 101 #endif 102 103 typedef __critical_t critical_t; /* Critical section value */ 104 typedef __daddr_t daddr_t; /* disk address */ 105 106 #ifndef _DEV_T_DECLARED 107 typedef __dev_t dev_t; /* device number or struct cdev */ 108 #define _DEV_T_DECLARED 109 #endif 110 111 #ifndef _FFLAGS_T_DECLARED 112 typedef __fflags_t fflags_t; /* file flags */ 113 #define _FFLAGS_T_DECLARED 114 #endif 115 116 typedef __fixpt_t fixpt_t; /* fixed point number */ 117 118 #ifndef _FSBLKCNT_T_DECLARED /* for statvfs() */ 119 typedef __fsblkcnt_t fsblkcnt_t; 120 typedef __fsfilcnt_t fsfilcnt_t; 121 #define _FSBLKCNT_T_DECLARED 122 #endif 123 124 #ifndef _GID_T_DECLARED 125 typedef __gid_t gid_t; /* group id */ 126 #define _GID_T_DECLARED 127 #endif 128 129 #ifndef _IN_ADDR_T_DECLARED 130 typedef __uint32_t in_addr_t; /* base type for internet address */ 131 #define _IN_ADDR_T_DECLARED 132 #endif 133 134 #ifndef _IN_PORT_T_DECLARED 135 typedef __uint16_t in_port_t; 136 #define _IN_PORT_T_DECLARED 137 #endif 138 139 #ifndef _ID_T_DECLARED 140 typedef __id_t id_t; /* can hold a uid_t or pid_t */ 141 #define _ID_T_DECLARED 142 #endif 143 144 #ifndef _INO_T_DECLARED 145 typedef __ino_t ino_t; /* inode number */ 146 #define _INO_T_DECLARED 147 #endif 148 149 #ifndef _KEY_T_DECLARED 150 typedef __key_t key_t; /* IPC key (for Sys V IPC) */ 151 #define _KEY_T_DECLARED 152 #endif 153 154 #ifndef _LWPID_T_DECLARED 155 typedef __lwpid_t lwpid_t; /* Thread ID (a.k.a. LWP) */ 156 #define _LWPID_T_DECLARED 157 #endif 158 159 #ifndef _MODE_T_DECLARED 160 typedef __mode_t mode_t; /* permissions */ 161 #define _MODE_T_DECLARED 162 #endif 163 164 #ifndef _ACCMODE_T_DECLARED 165 typedef __accmode_t accmode_t; /* access permissions */ 166 #define _ACCMODE_T_DECLARED 167 #endif 168 169 #ifndef _NLINK_T_DECLARED 170 typedef __nlink_t nlink_t; /* link count */ 171 #define _NLINK_T_DECLARED 172 #endif 173 174 #ifndef _OFF_T_DECLARED 175 typedef __off_t off_t; /* file offset */ 176 #define _OFF_T_DECLARED 177 #endif 178 179 #ifndef _OFF64_T_DECLARED 180 typedef __off64_t off64_t; /* file offset (alias) */ 181 #define _OFF64_T_DECLARED 182 #endif 183 184 #ifndef _PID_T_DECLARED 185 typedef __pid_t pid_t; /* process id */ 186 #define _PID_T_DECLARED 187 #endif 188 189 typedef __register_t register_t; 190 191 #ifndef _RLIM_T_DECLARED 192 typedef __rlim_t rlim_t; /* resource limit */ 193 #define _RLIM_T_DECLARED 194 #endif 195 196 typedef __int64_t sbintime_t; 197 198 typedef __segsz_t segsz_t; /* segment size (in pages) */ 199 200 #ifndef _SIZE_T_DECLARED 201 typedef __size_t size_t; 202 #define _SIZE_T_DECLARED 203 #endif 204 205 #ifndef _SSIZE_T_DECLARED 206 typedef __ssize_t ssize_t; 207 #define _SSIZE_T_DECLARED 208 #endif 209 210 #ifndef _SUSECONDS_T_DECLARED 211 typedef __suseconds_t suseconds_t; /* microseconds (signed) */ 212 #define _SUSECONDS_T_DECLARED 213 #endif 214 215 #ifndef _TIME_T_DECLARED 216 typedef __time_t time_t; 217 #define _TIME_T_DECLARED 218 #endif 219 220 #ifndef _TIMER_T_DECLARED 221 typedef __timer_t timer_t; 222 #define _TIMER_T_DECLARED 223 #endif 224 225 #ifndef _MQD_T_DECLARED 226 typedef __mqd_t mqd_t; 227 #define _MQD_T_DECLARED 228 #endif 229 230 typedef __u_register_t u_register_t; 231 232 #ifndef _UID_T_DECLARED 233 typedef __uid_t uid_t; /* user id */ 234 #define _UID_T_DECLARED 235 #endif 236 237 #ifndef _USECONDS_T_DECLARED 238 typedef __useconds_t useconds_t; /* microseconds (unsigned) */ 239 #define _USECONDS_T_DECLARED 240 #endif 241 242 #ifndef _CAP_IOCTL_T_DECLARED 243 #define _CAP_IOCTL_T_DECLARED 244 typedef unsigned long cap_ioctl_t; 245 #endif 246 247 #ifndef _CAP_RIGHTS_T_DECLARED 248 #define _CAP_RIGHTS_T_DECLARED 249 struct cap_rights; 250 251 typedef struct cap_rights cap_rights_t; 252 #endif 253 254 /* 255 * Types suitable for exporting size and pointers (as virtual addresses) 256 * from the kernel independent of native word size. These should be 257 * used in place of size_t and (u)intptr_t in structs which contain such 258 * types that are shared with userspace. 259 */ 260 typedef __uint64_t kvaddr_t; 261 typedef __uint64_t ksize_t; 262 263 typedef __vm_offset_t vm_offset_t; 264 typedef __uint64_t vm_ooffset_t; 265 typedef __vm_paddr_t vm_paddr_t; 266 typedef __uint64_t vm_pindex_t; 267 typedef __vm_size_t vm_size_t; 268 269 typedef __rman_res_t rman_res_t; 270 271 #ifdef _KERNEL 272 typedef int boolean_t; 273 typedef struct device *device_t; 274 typedef __intfptr_t intfptr_t; 275 276 /* 277 * XXX this is fixed width for historical reasons. It should have had type 278 * __int_fast32_t. Fixed-width types should not be used unless binary 279 * compatibility is essential. Least-width types should be used even less 280 * since they provide smaller benefits. 281 * 282 * XXX should be MD. 283 * 284 * XXX this is bogus in -current, but still used for spl*(). 285 */ 286 typedef __uint32_t intrmask_t; /* Interrupt mask (spl, xxx_imask...) */ 287 288 typedef __uintfptr_t uintfptr_t; 289 typedef __uint64_t uoff_t; 290 typedef char vm_memattr_t; /* memory attribute codes */ 291 typedef struct vm_page *vm_page_t; 292 293 #if !defined(__bool_true_false_are_defined) && !defined(__cplusplus) 294 #define __bool_true_false_are_defined 1 295 #define false 0 296 #define true 1 297 #if __STDC_VERSION__ < 199901L && __GNUC__ < 3 && !defined(__INTEL_COMPILER) 298 typedef int _Bool; 299 #endif 300 typedef _Bool bool; 301 #endif /* !__bool_true_false_are_defined && !__cplusplus */ 302 303 #define offsetof(type, field) __offsetof(type, field) 304 305 #endif /* !_KERNEL */ 306 307 /* 308 * The following are all things that really shouldn't exist in this header, 309 * since its purpose is to provide typedefs, not miscellaneous doodads. 310 */ 311 312 #ifdef __POPCNT__ 313 #define __bitcount64(x) __builtin_popcountll((__uint64_t)(x)) 314 #define __bitcount32(x) __builtin_popcount((__uint32_t)(x)) 315 #define __bitcount16(x) __builtin_popcount((__uint16_t)(x)) 316 #define __bitcountl(x) __builtin_popcountl((unsigned long)(x)) 317 #define __bitcount(x) __builtin_popcount((unsigned int)(x)) 318 #else 319 /* 320 * Population count algorithm using SWAR approach 321 * - "SIMD Within A Register". 322 */ 323 static __inline __uint16_t 324 __bitcount16(__uint16_t _x) 325 { 326 327 _x = (_x & 0x5555) + ((_x & 0xaaaa) >> 1); 328 _x = (_x & 0x3333) + ((_x & 0xcccc) >> 2); 329 _x = (_x + (_x >> 4)) & 0x0f0f; 330 _x = (_x + (_x >> 8)) & 0x00ff; 331 return (_x); 332 } 333 334 static __inline __uint32_t 335 __bitcount32(__uint32_t _x) 336 { 337 338 _x = (_x & 0x55555555) + ((_x & 0xaaaaaaaa) >> 1); 339 _x = (_x & 0x33333333) + ((_x & 0xcccccccc) >> 2); 340 _x = (_x + (_x >> 4)) & 0x0f0f0f0f; 341 _x = (_x + (_x >> 8)); 342 _x = (_x + (_x >> 16)) & 0x000000ff; 343 return (_x); 344 } 345 346 #ifdef __LP64__ 347 static __inline __uint64_t 348 __bitcount64(__uint64_t _x) 349 { 350 351 _x = (_x & 0x5555555555555555) + ((_x & 0xaaaaaaaaaaaaaaaa) >> 1); 352 _x = (_x & 0x3333333333333333) + ((_x & 0xcccccccccccccccc) >> 2); 353 _x = (_x + (_x >> 4)) & 0x0f0f0f0f0f0f0f0f; 354 _x = (_x + (_x >> 8)); 355 _x = (_x + (_x >> 16)); 356 _x = (_x + (_x >> 32)) & 0x000000ff; 357 return (_x); 358 } 359 360 #define __bitcountl(x) __bitcount64((unsigned long)(x)) 361 #else 362 static __inline __uint64_t 363 __bitcount64(__uint64_t _x) 364 { 365 366 return (__bitcount32(_x >> 32) + __bitcount32(_x)); 367 } 368 369 #define __bitcountl(x) __bitcount32((unsigned long)(x)) 370 #endif 371 #define __bitcount(x) __bitcount32((unsigned int)(x)) 372 #endif 373 374 #if __BSD_VISIBLE 375 376 #include <sys/select.h> 377 378 /* 379 * The major and minor numbers are encoded in dev_t as MMMmmmMm (where 380 * letters correspond to bytes). The encoding of the lower 4 bytes is 381 * constrained by compatibility with 16-bit and 32-bit dev_t's. The 382 * encoding of of the upper 4 bytes is the least unnatural one consistent 383 * with this and other constraints. Also, the decoding of the m bytes by 384 * minor() is unnatural to maximize compatibility subject to not discarding 385 * bits. The upper m byte is shifted into the position of the lower M byte 386 * instead of shifting 3 upper m bytes to close the gap. Compatibility for 387 * minor() is achieved iff the upper m byte is 0. 388 */ 389 #define major(d) __major(d) 390 static __inline int 391 __major(dev_t _d) 392 { 393 return (((_d >> 32) & 0xffffff00) | ((_d >> 8) & 0xff)); 394 } 395 #define minor(d) __minor(d) 396 static __inline int 397 __minor(dev_t _d) 398 { 399 return (((_d >> 24) & 0xff00) | (_d & 0xffff00ff)); 400 } 401 #define makedev(M, m) __makedev((M), (m)) 402 static __inline dev_t 403 __makedev(int _Major, int _Minor) 404 { 405 return (((dev_t)(_Major & 0xffffff00) << 32) | ((_Major & 0xff) << 8) | 406 ((dev_t)(_Minor & 0xff00) << 24) | (_Minor & 0xffff00ff)); 407 } 408 409 /* 410 * These declarations belong elsewhere, but are repeated here and in 411 * <stdio.h> to give broken programs a better chance of working with 412 * 64-bit off_t's. 413 */ 414 #ifndef _KERNEL 415 __BEGIN_DECLS 416 #ifndef _FTRUNCATE_DECLARED 417 #define _FTRUNCATE_DECLARED 418 int ftruncate(int, off_t); 419 #endif 420 #ifndef _LSEEK_DECLARED 421 #define _LSEEK_DECLARED 422 off_t lseek(int, off_t, int); 423 #endif 424 #ifndef _MMAP_DECLARED 425 #define _MMAP_DECLARED 426 void * mmap(void *, size_t, int, int, int, off_t); 427 #endif 428 #ifndef _TRUNCATE_DECLARED 429 #define _TRUNCATE_DECLARED 430 int truncate(const char *, off_t); 431 #endif 432 __END_DECLS 433 #endif /* !_KERNEL */ 434 435 #endif /* __BSD_VISIBLE */ 436 437 #endif /* !_SYS_TYPES_H_ */ 438