types.h revision 288258
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: head/sys/sys/types.h 288258 2015-09-26 07:30:45Z kib $ 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 50typedef unsigned char u_char; 51typedef unsigned short u_short; 52typedef unsigned int u_int; 53typedef unsigned long u_long; 54#ifndef _KERNEL 55typedef unsigned short ushort; /* Sys V compatibility */ 56typedef unsigned int uint; /* Sys V compatibility */ 57#endif 58#endif 59 60/* 61 * XXX POSIX sized integrals that should appear only in <sys/stdint.h>. 62 */ 63#include <sys/_stdint.h> 64 65typedef __uint8_t u_int8_t; /* unsigned integrals (deprecated) */ 66typedef __uint16_t u_int16_t; 67typedef __uint32_t u_int32_t; 68typedef __uint64_t u_int64_t; 69 70typedef __uint64_t u_quad_t; /* quads (deprecated) */ 71typedef __int64_t quad_t; 72typedef quad_t * qaddr_t; 73 74typedef char * caddr_t; /* core address */ 75typedef const char * c_caddr_t; /* core address, pointer to const */ 76 77#ifndef _BLKSIZE_T_DECLARED 78typedef __blksize_t blksize_t; 79#define _BLKSIZE_T_DECLARED 80#endif 81 82typedef __cpuwhich_t cpuwhich_t; 83typedef __cpulevel_t cpulevel_t; 84typedef __cpusetid_t cpusetid_t; 85 86#ifndef _BLKCNT_T_DECLARED 87typedef __blkcnt_t blkcnt_t; 88#define _BLKCNT_T_DECLARED 89#endif 90 91#ifndef _CLOCK_T_DECLARED 92typedef __clock_t clock_t; 93#define _CLOCK_T_DECLARED 94#endif 95 96#ifndef _CLOCKID_T_DECLARED 97typedef __clockid_t clockid_t; 98#define _CLOCKID_T_DECLARED 99#endif 100 101typedef __critical_t critical_t; /* Critical section value */ 102typedef __int64_t daddr_t; /* disk address */ 103 104#ifndef _DEV_T_DECLARED 105typedef __dev_t dev_t; /* device number or struct cdev */ 106#define _DEV_T_DECLARED 107#endif 108 109#ifndef _FFLAGS_T_DECLARED 110typedef __fflags_t fflags_t; /* file flags */ 111#define _FFLAGS_T_DECLARED 112#endif 113 114typedef __fixpt_t fixpt_t; /* fixed point number */ 115 116#ifndef _FSBLKCNT_T_DECLARED /* for statvfs() */ 117typedef __fsblkcnt_t fsblkcnt_t; 118typedef __fsfilcnt_t fsfilcnt_t; 119#define _FSBLKCNT_T_DECLARED 120#endif 121 122#ifndef _GID_T_DECLARED 123typedef __gid_t gid_t; /* group id */ 124#define _GID_T_DECLARED 125#endif 126 127#ifndef _IN_ADDR_T_DECLARED 128typedef __uint32_t in_addr_t; /* base type for internet address */ 129#define _IN_ADDR_T_DECLARED 130#endif 131 132#ifndef _IN_PORT_T_DECLARED 133typedef __uint16_t in_port_t; 134#define _IN_PORT_T_DECLARED 135#endif 136 137#ifndef _ID_T_DECLARED 138typedef __id_t id_t; /* can hold a uid_t or pid_t */ 139#define _ID_T_DECLARED 140#endif 141 142#ifndef _INO_T_DECLARED 143typedef __ino_t ino_t; /* inode number */ 144#define _INO_T_DECLARED 145#endif 146 147#ifndef _KEY_T_DECLARED 148typedef __key_t key_t; /* IPC key (for Sys V IPC) */ 149#define _KEY_T_DECLARED 150#endif 151 152#ifndef _LWPID_T_DECLARED 153typedef __lwpid_t lwpid_t; /* Thread ID (a.k.a. LWP) */ 154#define _LWPID_T_DECLARED 155#endif 156 157#ifndef _MODE_T_DECLARED 158typedef __mode_t mode_t; /* permissions */ 159#define _MODE_T_DECLARED 160#endif 161 162#ifndef _ACCMODE_T_DECLARED 163typedef __accmode_t accmode_t; /* access permissions */ 164#define _ACCMODE_T_DECLARED 165#endif 166 167#ifndef _NLINK_T_DECLARED 168typedef __nlink_t nlink_t; /* link count */ 169#define _NLINK_T_DECLARED 170#endif 171 172#ifndef _OFF_T_DECLARED 173typedef __off_t off_t; /* file offset */ 174#define _OFF_T_DECLARED 175#endif 176 177#ifndef _PID_T_DECLARED 178typedef __pid_t pid_t; /* process id */ 179#define _PID_T_DECLARED 180#endif 181 182typedef __register_t register_t; 183 184#ifndef _RLIM_T_DECLARED 185typedef __rlim_t rlim_t; /* resource limit */ 186#define _RLIM_T_DECLARED 187#endif 188 189typedef __int64_t sbintime_t; 190 191typedef __segsz_t segsz_t; /* segment size (in pages) */ 192 193#ifndef _SIZE_T_DECLARED 194typedef __size_t size_t; 195#define _SIZE_T_DECLARED 196#endif 197 198#ifndef _SSIZE_T_DECLARED 199typedef __ssize_t ssize_t; 200#define _SSIZE_T_DECLARED 201#endif 202 203#ifndef _SUSECONDS_T_DECLARED 204typedef __suseconds_t suseconds_t; /* microseconds (signed) */ 205#define _SUSECONDS_T_DECLARED 206#endif 207 208#ifndef _TIME_T_DECLARED 209typedef __time_t time_t; 210#define _TIME_T_DECLARED 211#endif 212 213#ifndef _TIMER_T_DECLARED 214typedef __timer_t timer_t; 215#define _TIMER_T_DECLARED 216#endif 217 218#ifndef _MQD_T_DECLARED 219typedef __mqd_t mqd_t; 220#define _MQD_T_DECLARED 221#endif 222 223typedef __u_register_t u_register_t; 224 225#ifndef _UID_T_DECLARED 226typedef __uid_t uid_t; /* user id */ 227#define _UID_T_DECLARED 228#endif 229 230#ifndef _USECONDS_T_DECLARED 231typedef __useconds_t useconds_t; /* microseconds (unsigned) */ 232#define _USECONDS_T_DECLARED 233#endif 234 235#ifndef _CAP_IOCTL_T_DECLARED 236#define _CAP_IOCTL_T_DECLARED 237typedef unsigned long cap_ioctl_t; 238#endif 239 240#ifndef _CAP_RIGHTS_T_DECLARED 241#define _CAP_RIGHTS_T_DECLARED 242struct cap_rights; 243 244typedef struct cap_rights cap_rights_t; 245#endif 246 247typedef __vm_offset_t vm_offset_t; 248typedef __vm_ooffset_t vm_ooffset_t; 249typedef __vm_paddr_t vm_paddr_t; 250typedef __vm_pindex_t vm_pindex_t; 251typedef __vm_size_t vm_size_t; 252 253#ifdef _KERNEL 254typedef int boolean_t; 255typedef struct device *device_t; 256typedef __intfptr_t intfptr_t; 257 258/* 259 * XXX this is fixed width for historical reasons. It should have had type 260 * __int_fast32_t. Fixed-width types should not be used unless binary 261 * compatibility is essential. Least-width types should be used even less 262 * since they provide smaller benefits. 263 * 264 * XXX should be MD. 265 * 266 * XXX this is bogus in -current, but still used for spl*(). 267 */ 268typedef __uint32_t intrmask_t; /* Interrupt mask (spl, xxx_imask...) */ 269 270typedef __uintfptr_t uintfptr_t; 271typedef __uint64_t uoff_t; 272typedef char vm_memattr_t; /* memory attribute codes */ 273typedef struct vm_page *vm_page_t; 274 275#if !defined(__bool_true_false_are_defined) && !defined(__cplusplus) 276#define __bool_true_false_are_defined 1 277#define false 0 278#define true 1 279#if __STDC_VERSION__ < 199901L && __GNUC__ < 3 && !defined(__INTEL_COMPILER) 280typedef int _Bool; 281#endif 282typedef _Bool bool; 283#endif /* !__bool_true_false_are_defined && !__cplusplus */ 284 285#define offsetof(type, field) __offsetof(type, field) 286 287#endif /* !_KERNEL */ 288 289/* 290 * The following are all things that really shouldn't exist in this header, 291 * since its purpose is to provide typedefs, not miscellaneous doodads. 292 */ 293 294#ifdef __POPCNT__ 295#define __bitcount64(x) __builtin_popcountll((__uint64_t)(x)) 296#define __bitcount32(x) __builtin_popcount((__uint32_t)(x)) 297#define __bitcount16(x) __builtin_popcount((__uint16_t)(x)) 298#define __bitcountl(x) __builtin_popcountl((unsigned long)(x)) 299#define __bitcount(x) __builtin_popcount((unsigned int)(x)) 300#else 301/* 302 * Population count algorithm using SWAR approach 303 * - "SIMD Within A Register". 304 */ 305static __inline __uint16_t 306__bitcount16(__uint16_t _x) 307{ 308 309 _x = (_x & 0x5555) + ((_x & 0xaaaa) >> 1); 310 _x = (_x & 0x3333) + ((_x & 0xcccc) >> 2); 311 _x = (_x + (_x >> 4)) & 0x0f0f; 312 _x = (_x + (_x >> 8)) & 0x00ff; 313 return (_x); 314} 315 316static __inline __uint32_t 317__bitcount32(__uint32_t _x) 318{ 319 320 _x = (_x & 0x55555555) + ((_x & 0xaaaaaaaa) >> 1); 321 _x = (_x & 0x33333333) + ((_x & 0xcccccccc) >> 2); 322 _x = (_x + (_x >> 4)) & 0x0f0f0f0f; 323 _x = (_x + (_x >> 8)); 324 _x = (_x + (_x >> 16)) & 0x000000ff; 325 return (_x); 326} 327 328#ifdef __LP64__ 329static __inline __uint64_t 330__bitcount64(__uint64_t _x) 331{ 332 333 _x = (_x & 0x5555555555555555) + ((_x & 0xaaaaaaaaaaaaaaaa) >> 1); 334 _x = (_x & 0x3333333333333333) + ((_x & 0xcccccccccccccccc) >> 2); 335 _x = (_x + (_x >> 4)) & 0x0f0f0f0f0f0f0f0f; 336 _x = (_x + (_x >> 8)); 337 _x = (_x + (_x >> 16)); 338 _x = (_x + (_x >> 32)) & 0x000000ff; 339 return (_x); 340} 341 342#define __bitcountl(x) __bitcount64((unsigned long)(x)) 343#else 344static __inline __uint64_t 345__bitcount64(__uint64_t _x) 346{ 347 348 return (__bitcount32(_x >> 32) + __bitcount32(_x)); 349} 350 351#define __bitcountl(x) __bitcount32((unsigned long)(x)) 352#endif 353#define __bitcount(x) __bitcount32((unsigned int)(x)) 354#endif 355 356#if __BSD_VISIBLE 357 358#include <sys/select.h> 359 360/* 361 * minor() gives a cookie instead of an index since we don't want to 362 * change the meanings of bits 0-15 or waste time and space shifting 363 * bits 16-31 for devices that don't use them. 364 */ 365#define major(x) ((int)(((u_int)(x) >> 8)&0xff)) /* major number */ 366#define minor(x) ((int)((x)&0xffff00ff)) /* minor number */ 367#define makedev(x,y) ((dev_t)(((x) << 8) | (y))) /* create dev_t */ 368 369/* 370 * These declarations belong elsewhere, but are repeated here and in 371 * <stdio.h> to give broken programs a better chance of working with 372 * 64-bit off_t's. 373 */ 374#ifndef _KERNEL 375__BEGIN_DECLS 376#ifndef _FTRUNCATE_DECLARED 377#define _FTRUNCATE_DECLARED 378int ftruncate(int, off_t); 379#endif 380#ifndef _LSEEK_DECLARED 381#define _LSEEK_DECLARED 382off_t lseek(int, off_t, int); 383#endif 384#ifndef _MMAP_DECLARED 385#define _MMAP_DECLARED 386void * mmap(void *, size_t, int, int, int, off_t); 387#endif 388#ifndef _TRUNCATE_DECLARED 389#define _TRUNCATE_DECLARED 390int truncate(const char *, off_t); 391#endif 392__END_DECLS 393#endif /* !_KERNEL */ 394 395#endif /* __BSD_VISIBLE */ 396 397#endif /* !_SYS_TYPES_H_ */ 398