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
37#ifndef _SYS_TYPES_H_
38#define	_SYS_TYPES_H_
39
40#include <sys/cdefs.h>
41
42/* Machine type dependent parameters. */
43#include <machine/endian.h>
44#include <sys/_types.h>
45
46#include <sys/_pthreadtypes.h>
47
48#if __BSD_VISIBLE
49typedef	unsigned char	u_char;
50typedef	unsigned short	u_short;
51typedef	unsigned int	u_int;
52typedef	unsigned long	u_long;
53#ifndef _KERNEL
54typedef	unsigned short	ushort;		/* Sys V compatibility */
55typedef	unsigned int	uint;		/* Sys V compatibility */
56#endif
57#endif
58
59/*
60 * XXX POSIX sized integrals that should appear only in <sys/stdint.h>.
61 */
62#include <sys/_stdint.h>
63
64typedef __uint8_t	u_int8_t;	/* unsigned integrals (deprecated) */
65typedef __uint16_t	u_int16_t;
66typedef __uint32_t	u_int32_t;
67typedef __uint64_t	u_int64_t;
68
69typedef	__uint64_t	u_quad_t;	/* quads (deprecated) */
70typedef	__int64_t	quad_t;
71typedef	quad_t *	qaddr_t;
72
73typedef	char *		caddr_t;	/* core address */
74typedef	const char *	c_caddr_t;	/* core address, pointer to const */
75
76#ifndef _BLKSIZE_T_DECLARED
77typedef	__blksize_t	blksize_t;
78#define	_BLKSIZE_T_DECLARED
79#endif
80
81typedef	__cpuwhich_t	cpuwhich_t;
82typedef	__cpulevel_t	cpulevel_t;
83typedef	__cpusetid_t	cpusetid_t;
84
85#ifndef _BLKCNT_T_DECLARED
86typedef	__blkcnt_t	blkcnt_t;
87#define	_BLKCNT_T_DECLARED
88#endif
89
90#ifndef _CLOCK_T_DECLARED
91typedef	__clock_t	clock_t;
92#define	_CLOCK_T_DECLARED
93#endif
94
95#ifndef _CLOCKID_T_DECLARED
96typedef	__clockid_t	clockid_t;
97#define	_CLOCKID_T_DECLARED
98#endif
99
100typedef	__critical_t	critical_t;	/* Critical section value */
101typedef	__daddr_t	daddr_t;	/* disk address */
102
103#ifndef _DEV_T_DECLARED
104typedef	__dev_t		dev_t;		/* device number or struct cdev */
105#define	_DEV_T_DECLARED
106#endif
107
108#ifndef _FFLAGS_T_DECLARED
109typedef	__fflags_t	fflags_t;	/* file flags */
110#define	_FFLAGS_T_DECLARED
111#endif
112
113typedef	__fixpt_t	fixpt_t;	/* fixed point number */
114
115#ifndef _FSBLKCNT_T_DECLARED		/* for statvfs() */
116typedef	__fsblkcnt_t	fsblkcnt_t;
117typedef	__fsfilcnt_t	fsfilcnt_t;
118#define	_FSBLKCNT_T_DECLARED
119#endif
120
121#ifndef _GID_T_DECLARED
122typedef	__gid_t		gid_t;		/* group id */
123#define	_GID_T_DECLARED
124#endif
125
126#ifndef _IN_ADDR_T_DECLARED
127typedef	__uint32_t	in_addr_t;	/* base type for internet address */
128#define	_IN_ADDR_T_DECLARED
129#endif
130
131#ifndef _IN_PORT_T_DECLARED
132typedef	__uint16_t	in_port_t;
133#define	_IN_PORT_T_DECLARED
134#endif
135
136#ifndef _ID_T_DECLARED
137typedef	__id_t		id_t;		/* can hold a uid_t or pid_t */
138#define	_ID_T_DECLARED
139#endif
140
141#ifndef _INO_T_DECLARED
142typedef	__ino_t		ino_t;		/* inode number */
143#define	_INO_T_DECLARED
144#endif
145
146#ifndef _KEY_T_DECLARED
147typedef	__key_t		key_t;		/* IPC key (for Sys V IPC) */
148#define	_KEY_T_DECLARED
149#endif
150
151#ifndef _LWPID_T_DECLARED
152typedef	__lwpid_t	lwpid_t;	/* Thread ID (a.k.a. LWP) */
153#define	_LWPID_T_DECLARED
154#endif
155
156#ifndef _MODE_T_DECLARED
157typedef	__mode_t	mode_t;		/* permissions */
158#define	_MODE_T_DECLARED
159#endif
160
161#ifndef _ACCMODE_T_DECLARED
162typedef	__accmode_t	accmode_t;	/* access permissions */
163#define	_ACCMODE_T_DECLARED
164#endif
165
166#ifndef _NLINK_T_DECLARED
167typedef	__nlink_t	nlink_t;	/* link count */
168#define	_NLINK_T_DECLARED
169#endif
170
171#ifndef _OFF_T_DECLARED
172typedef	__off_t		off_t;		/* file offset */
173#define	_OFF_T_DECLARED
174#endif
175
176#ifndef _OFF64_T_DECLARED
177typedef	__off64_t	off64_t;	/* file offset (alias) */
178#define	_OFF64_T_DECLARED
179#endif
180
181#ifndef _PID_T_DECLARED
182typedef	__pid_t		pid_t;		/* process id */
183#define	_PID_T_DECLARED
184#endif
185
186typedef	__register_t	register_t;
187
188#ifndef _RLIM_T_DECLARED
189typedef	__rlim_t	rlim_t;		/* resource limit */
190#define	_RLIM_T_DECLARED
191#endif
192
193typedef	__sbintime_t	sbintime_t;
194
195typedef	__segsz_t	segsz_t;	/* segment size (in pages) */
196
197#ifndef _SIZE_T_DECLARED
198typedef	__size_t	size_t;
199#define	_SIZE_T_DECLARED
200#endif
201
202#ifndef _SSIZE_T_DECLARED
203typedef	__ssize_t	ssize_t;
204#define	_SSIZE_T_DECLARED
205#endif
206
207#ifndef _SUSECONDS_T_DECLARED
208typedef	__suseconds_t	suseconds_t;	/* microseconds (signed) */
209#define	_SUSECONDS_T_DECLARED
210#endif
211
212#ifndef _TIME_T_DECLARED
213typedef	__time_t	time_t;
214#define	_TIME_T_DECLARED
215#endif
216
217#ifndef _TIMER_T_DECLARED
218typedef	__timer_t	timer_t;
219#define	_TIMER_T_DECLARED
220#endif
221
222#ifndef _MQD_T_DECLARED
223typedef	__mqd_t	mqd_t;
224#define	_MQD_T_DECLARED
225#endif
226
227typedef	__u_register_t	u_register_t;
228
229#ifndef _UID_T_DECLARED
230typedef	__uid_t		uid_t;		/* user id */
231#define	_UID_T_DECLARED
232#endif
233
234#ifndef _USECONDS_T_DECLARED
235typedef	__useconds_t	useconds_t;	/* microseconds (unsigned) */
236#define	_USECONDS_T_DECLARED
237#endif
238
239#ifndef _CAP_IOCTL_T_DECLARED
240#define	_CAP_IOCTL_T_DECLARED
241typedef	unsigned long	cap_ioctl_t;
242#endif
243
244#ifndef _CAP_RIGHTS_T_DECLARED
245#define	_CAP_RIGHTS_T_DECLARED
246struct cap_rights;
247
248typedef	struct cap_rights	cap_rights_t;
249#endif
250
251/*
252 * Types suitable for exporting physical addresses, virtual addresses
253 * (pointers), and memory object sizes from the kernel independent of native
254 * word size.  These should be used in place of vm_paddr_t, (u)intptr_t, and
255 * size_t in structs which contain such types that are shared with userspace.
256 */
257typedef	__uint64_t	kpaddr_t;
258typedef	__uint64_t	kvaddr_t;
259typedef	__uint64_t	ksize_t;
260typedef	__int64_t	kssize_t;
261
262typedef	__vm_offset_t	vm_offset_t;
263typedef	__uint64_t	vm_ooffset_t;
264typedef	__vm_paddr_t	vm_paddr_t;
265typedef	__uint64_t	vm_pindex_t;
266typedef	__vm_size_t	vm_size_t;
267
268typedef __rman_res_t    rman_res_t;
269
270typedef __register_t	syscallarg_t;
271
272#ifdef _KERNEL
273typedef	unsigned int	boolean_t;
274typedef	struct _device	*device_t;
275typedef	__intfptr_t	intfptr_t;
276
277/*
278 * XXX this is fixed width for historical reasons.  It should have had type
279 * __int_fast32_t.  Fixed-width types should not be used unless binary
280 * compatibility is essential.  Least-width types should be used even less
281 * since they provide smaller benefits.
282 *
283 * XXX should be MD.
284 *
285 * XXX this is bogus in -current, but still used for spl*().
286 */
287typedef	__uint32_t	intrmask_t;	/* Interrupt mask (spl, xxx_imask...) */
288
289typedef	__uintfptr_t	uintfptr_t;
290typedef	__uint64_t	uoff_t;
291typedef	char		vm_memattr_t;	/* memory attribute codes */
292typedef	struct vm_page	*vm_page_t;
293
294#define offsetof(type, field) __offsetof(type, field)
295#endif /* _KERNEL */
296
297#if	defined(_KERNEL) || defined(_STANDALONE)
298#if !defined(__bool_true_false_are_defined) && !defined(__cplusplus)
299#define	__bool_true_false_are_defined	1
300#define	false	0
301#define	true	1
302typedef	_Bool	bool;
303#endif /* !__bool_true_false_are_defined && !__cplusplus */
304#endif /* KERNEL || _STANDALONE */
305
306/*
307 * The following are all things that really shouldn't exist in this header,
308 * since its purpose is to provide typedefs, not miscellaneous doodads.
309 */
310#include <sys/bitcount.h>
311
312#if __BSD_VISIBLE
313
314#include <sys/select.h>
315
316/*
317 * The major and minor numbers are encoded in dev_t as MMMmmmMm (where
318 * letters correspond to bytes).  The encoding of the lower 4 bytes is
319 * constrained by compatibility with 16-bit and 32-bit dev_t's.  The
320 * encoding of the upper 4 bytes is the least unnatural one consistent
321 * with this and other constraints.  Also, the decoding of the m bytes by
322 * minor() is unnatural to maximize compatibility subject to not discarding
323 * bits.  The upper m byte is shifted into the position of the lower M byte
324 * instead of shifting 3 upper m bytes to close the gap.  Compatibility for
325 * minor() is achieved iff the upper m byte is 0.
326 */
327#define	major(d)	__major(d)
328static __inline int
329__major(dev_t _d)
330{
331	return (((_d >> 32) & 0xffffff00) | ((_d >> 8) & 0xff));
332}
333#define	minor(d)	__minor(d)
334static __inline int
335__minor(dev_t _d)
336{
337	return (((_d >> 24) & 0xff00) | (_d & 0xffff00ff));
338}
339#define	makedev(M, m)	__makedev((M), (m))
340static __inline dev_t
341__makedev(int _Major, int _Minor)
342{
343	return (((dev_t)(_Major & 0xffffff00) << 32) | ((_Major & 0xff) << 8) |
344	    ((dev_t)(_Minor & 0xff00) << 24) | (_Minor & 0xffff00ff));
345}
346
347#if (defined(__clang__) || (defined(__GNUC__) && __GNUC__ >= 13))
348#define __enum_uint8_decl(name)	enum enum_ ## name ## _uint8 : uint8_t
349#define __enum_uint8(name)	enum enum_ ## name ## _uint8
350#else
351/*
352 * Note: there is no real size checking here, but the code below can be
353 * removed once we require GCC 13.
354 */
355#define __enum_uint8_decl(name)	enum __attribute__((packed)) enum_ ## name ## _uint8
356#define __enum_uint8(name)	enum __attribute__((packed)) enum_ ## name ## _uint8
357#endif
358
359/*
360 * These declarations belong elsewhere, but are repeated here and in
361 * <stdio.h> to give broken programs a better chance of working with
362 * 64-bit off_t's.
363 */
364#ifndef _KERNEL
365__BEGIN_DECLS
366#ifndef _FTRUNCATE_DECLARED
367#define	_FTRUNCATE_DECLARED
368int	 ftruncate(int, off_t);
369#endif
370#ifndef _LSEEK_DECLARED
371#define	_LSEEK_DECLARED
372off_t	 lseek(int, off_t, int);
373#endif
374#ifndef _MMAP_DECLARED
375#define	_MMAP_DECLARED
376void *	 mmap(void *, size_t, int, int, int, off_t);
377#endif
378#ifndef _TRUNCATE_DECLARED
379#define	_TRUNCATE_DECLARED
380int	 truncate(const char *, off_t);
381#endif
382__END_DECLS
383#endif /* !_KERNEL */
384
385#endif /* __BSD_VISIBLE */
386
387#endif /* !_SYS_TYPES_H_ */
388