2 * SPDX-License-Identifier: BSD-3-Clause
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.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
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.
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
36 * @(#)types.h 8.6 (Berkeley) 2/19/95
43 #include <sys/cdefs.h>
45 /* Machine type dependent parameters. */
46 #include <machine/endian.h>
47 #include <sys/_types.h>
49 #include <sys/_pthreadtypes.h>
52 typedef unsigned char u_char;
53 typedef unsigned short u_short;
54 typedef unsigned int u_int;
55 typedef unsigned long u_long;
57 typedef unsigned short ushort; /* Sys V compatibility */
58 typedef unsigned int uint; /* Sys V compatibility */
63 * XXX POSIX sized integrals that should appear only in <sys/stdint.h>.
65 #include <sys/_stdint.h>
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;
72 typedef __uint64_t u_quad_t; /* quads (deprecated) */
73 typedef __int64_t quad_t;
74 typedef quad_t * qaddr_t;
76 typedef char * caddr_t; /* core address */
77 typedef const char * c_caddr_t; /* core address, pointer to const */
79 #ifndef _BLKSIZE_T_DECLARED
80 typedef __blksize_t blksize_t;
81 #define _BLKSIZE_T_DECLARED
84 typedef __cpuwhich_t cpuwhich_t;
85 typedef __cpulevel_t cpulevel_t;
86 typedef __cpusetid_t cpusetid_t;
88 #ifndef _BLKCNT_T_DECLARED
89 typedef __blkcnt_t blkcnt_t;
90 #define _BLKCNT_T_DECLARED
93 #ifndef _CLOCK_T_DECLARED
94 typedef __clock_t clock_t;
95 #define _CLOCK_T_DECLARED
98 #ifndef _CLOCKID_T_DECLARED
99 typedef __clockid_t clockid_t;
100 #define _CLOCKID_T_DECLARED
103 typedef __critical_t critical_t; /* Critical section value */
104 typedef __int64_t daddr_t; /* disk address */
106 #ifndef _DEV_T_DECLARED
107 typedef __dev_t dev_t; /* device number or struct cdev */
108 #define _DEV_T_DECLARED
111 #ifndef _FFLAGS_T_DECLARED
112 typedef __fflags_t fflags_t; /* file flags */
113 #define _FFLAGS_T_DECLARED
116 typedef __fixpt_t fixpt_t; /* fixed point number */
118 #ifndef _FSBLKCNT_T_DECLARED /* for statvfs() */
119 typedef __fsblkcnt_t fsblkcnt_t;
120 typedef __fsfilcnt_t fsfilcnt_t;
121 #define _FSBLKCNT_T_DECLARED
124 #ifndef _GID_T_DECLARED
125 typedef __gid_t gid_t; /* group id */
126 #define _GID_T_DECLARED
129 #ifndef _IN_ADDR_T_DECLARED
130 typedef __uint32_t in_addr_t; /* base type for internet address */
131 #define _IN_ADDR_T_DECLARED
134 #ifndef _IN_PORT_T_DECLARED
135 typedef __uint16_t in_port_t;
136 #define _IN_PORT_T_DECLARED
139 #ifndef _ID_T_DECLARED
140 typedef __id_t id_t; /* can hold a uid_t or pid_t */
141 #define _ID_T_DECLARED
144 #ifndef _INO_T_DECLARED
145 typedef __ino_t ino_t; /* inode number */
146 #define _INO_T_DECLARED
149 #ifndef _KEY_T_DECLARED
150 typedef __key_t key_t; /* IPC key (for Sys V IPC) */
151 #define _KEY_T_DECLARED
154 #ifndef _LWPID_T_DECLARED
155 typedef __lwpid_t lwpid_t; /* Thread ID (a.k.a. LWP) */
156 #define _LWPID_T_DECLARED
159 #ifndef _MODE_T_DECLARED
160 typedef __mode_t mode_t; /* permissions */
161 #define _MODE_T_DECLARED
164 #ifndef _ACCMODE_T_DECLARED
165 typedef __accmode_t accmode_t; /* access permissions */
166 #define _ACCMODE_T_DECLARED
169 #ifndef _NLINK_T_DECLARED
170 typedef __nlink_t nlink_t; /* link count */
171 #define _NLINK_T_DECLARED
174 #ifndef _OFF_T_DECLARED
175 typedef __off_t off_t; /* file offset */
176 #define _OFF_T_DECLARED
179 #ifndef _OFF64_T_DECLARED
180 typedef __off64_t off64_t; /* file offset (alias) */
181 #define _OFF64_T_DECLARED
184 #ifndef _PID_T_DECLARED
185 typedef __pid_t pid_t; /* process id */
186 #define _PID_T_DECLARED
189 typedef __register_t register_t;
191 #ifndef _RLIM_T_DECLARED
192 typedef __rlim_t rlim_t; /* resource limit */
193 #define _RLIM_T_DECLARED
196 typedef __int64_t sbintime_t;
198 typedef __segsz_t segsz_t; /* segment size (in pages) */
200 #ifndef _SIZE_T_DECLARED
201 typedef __size_t size_t;
202 #define _SIZE_T_DECLARED
205 #ifndef _SSIZE_T_DECLARED
206 typedef __ssize_t ssize_t;
207 #define _SSIZE_T_DECLARED
210 #ifndef _SUSECONDS_T_DECLARED
211 typedef __suseconds_t suseconds_t; /* microseconds (signed) */
212 #define _SUSECONDS_T_DECLARED
215 #ifndef _TIME_T_DECLARED
216 typedef __time_t time_t;
217 #define _TIME_T_DECLARED
220 #ifndef _TIMER_T_DECLARED
221 typedef __timer_t timer_t;
222 #define _TIMER_T_DECLARED
225 #ifndef _MQD_T_DECLARED
226 typedef __mqd_t mqd_t;
227 #define _MQD_T_DECLARED
230 typedef __u_register_t u_register_t;
232 #ifndef _UID_T_DECLARED
233 typedef __uid_t uid_t; /* user id */
234 #define _UID_T_DECLARED
237 #ifndef _USECONDS_T_DECLARED
238 typedef __useconds_t useconds_t; /* microseconds (unsigned) */
239 #define _USECONDS_T_DECLARED
242 #ifndef _CAP_IOCTL_T_DECLARED
243 #define _CAP_IOCTL_T_DECLARED
244 typedef unsigned long cap_ioctl_t;
247 #ifndef _CAP_RIGHTS_T_DECLARED
248 #define _CAP_RIGHTS_T_DECLARED
251 typedef struct cap_rights cap_rights_t;
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.
260 typedef __uint64_t kvaddr_t;
261 typedef __uint64_t ksize_t;
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;
269 typedef __rman_res_t rman_res_t;
272 typedef int boolean_t;
273 typedef struct device *device_t;
274 typedef __intfptr_t intfptr_t;
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.
284 * XXX this is bogus in -current, but still used for spl*().
286 typedef __uint32_t intrmask_t; /* Interrupt mask (spl, xxx_imask...) */
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;
293 #if !defined(__bool_true_false_are_defined) && !defined(__cplusplus)
294 #define __bool_true_false_are_defined 1
297 #if __STDC_VERSION__ < 199901L && __GNUC__ < 3 && !defined(__INTEL_COMPILER)
301 #endif /* !__bool_true_false_are_defined && !__cplusplus */
303 #define offsetof(type, field) __offsetof(type, field)
305 #endif /* !_KERNEL */
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.
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))
320 * Population count algorithm using SWAR approach
321 * - "SIMD Within A Register".
323 static __inline __uint16_t
324 __bitcount16(__uint16_t _x)
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;
334 static __inline __uint32_t
335 __bitcount32(__uint32_t _x)
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;
347 static __inline __uint64_t
348 __bitcount64(__uint64_t _x)
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;
360 #define __bitcountl(x) __bitcount64((unsigned long)(x))
362 static __inline __uint64_t
363 __bitcount64(__uint64_t _x)
366 return (__bitcount32(_x >> 32) + __bitcount32(_x));
369 #define __bitcountl(x) __bitcount32((unsigned long)(x))
371 #define __bitcount(x) __bitcount32((unsigned int)(x))
376 #include <sys/select.h>
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.
389 #define major(d) __major(d)
393 return (((_d >> 32) & 0xffffff00) | ((_d >> 8) & 0xff));
395 #define minor(d) __minor(d)
399 return (((_d >> 24) & 0xff00) | (_d & 0xffff00ff));
401 #define makedev(M, m) __makedev((M), (m))
402 static __inline dev_t
403 __makedev(int _Major, int _Minor)
405 return (((dev_t)(_Major & 0xffffff00) << 32) | ((_Major & 0xff) << 8) |
406 ((dev_t)(_Minor & 0xff00) << 24) | (_Minor & 0xffff00ff));
410 * These declarations belong elsewhere, but are repeated here and in
411 * <stdio.h> to give broken programs a better chance of working with
416 #ifndef _FTRUNCATE_DECLARED
417 #define _FTRUNCATE_DECLARED
418 int ftruncate(int, off_t);
420 #ifndef _LSEEK_DECLARED
421 #define _LSEEK_DECLARED
422 off_t lseek(int, off_t, int);
424 #ifndef _MMAP_DECLARED
425 #define _MMAP_DECLARED
426 void * mmap(void *, size_t, int, int, int, off_t);
428 #ifndef _TRUNCATE_DECLARED
429 #define _TRUNCATE_DECLARED
430 int truncate(const char *, off_t);
433 #endif /* !_KERNEL */
435 #endif /* __BSD_VISIBLE */
437 #endif /* !_SYS_TYPES_H_ */