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: stable/9/sys/sys/types.h 281538 2015-04-14 20:05:26Z jhb $
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  * XXX POSIX sized integrals that should appear only in <sys/stdint.h>.
62  */
63 #include <sys/_stdint.h>
64 
65 typedef __uint8_t	u_int8_t;	/* unsigned integrals (deprecated) */
66 typedef __uint16_t	u_int16_t;
67 typedef __uint32_t	u_int32_t;
68 typedef __uint64_t	u_int64_t;
69 
70 typedef	__uint64_t	u_quad_t;	/* quads (deprecated) */
71 typedef	__int64_t	quad_t;
72 typedef	quad_t *	qaddr_t;
73 
74 typedef	char *		caddr_t;	/* core address */
75 typedef	__const char *	c_caddr_t;	/* core address, pointer to const */
76 typedef	__volatile char *v_caddr_t;	/* core address, pointer to volatile */
77 
78 #ifndef _BLKSIZE_T_DECLARED
79 typedef	__blksize_t	blksize_t;
80 #define	_BLKSIZE_T_DECLARED
81 #endif
82 
83 typedef	__cpuwhich_t	cpuwhich_t;
84 typedef	__cpulevel_t	cpulevel_t;
85 typedef	__cpusetid_t	cpusetid_t;
86 
87 #ifndef _BLKCNT_T_DECLARED
88 typedef	__blkcnt_t	blkcnt_t;
89 #define	_BLKCNT_T_DECLARED
90 #endif
91 
92 typedef	__cap_rights_t	cap_rights_t;
93 
94 #ifndef _CLOCK_T_DECLARED
95 typedef	__clock_t	clock_t;
96 #define	_CLOCK_T_DECLARED
97 #endif
98 
99 #ifndef _CLOCKID_T_DECLARED
100 typedef	__clockid_t	clockid_t;
101 #define	_CLOCKID_T_DECLARED
102 #endif
103 
104 typedef	__critical_t	critical_t;	/* Critical section value */
105 typedef	__int64_t	daddr_t;	/* disk address */
106 
107 #ifndef _DEV_T_DECLARED
108 typedef	__dev_t		dev_t;		/* device number or struct cdev */
109 #define	_DEV_T_DECLARED
110 #endif
111 
112 #ifndef _FFLAGS_T_DECLARED
113 typedef	__fflags_t	fflags_t;	/* file flags */
114 #define	_FFLAGS_T_DECLARED
115 #endif
116 
117 typedef	__fixpt_t	fixpt_t;	/* fixed point number */
118 
119 #ifndef _FSBLKCNT_T_DECLARED		/* for statvfs() */
120 typedef	__fsblkcnt_t	fsblkcnt_t;
121 typedef	__fsfilcnt_t	fsfilcnt_t;
122 #define	_FSBLKCNT_T_DECLARED
123 #endif
124 
125 #ifndef _GID_T_DECLARED
126 typedef	__gid_t		gid_t;		/* group id */
127 #define	_GID_T_DECLARED
128 #endif
129 
130 #ifndef _IN_ADDR_T_DECLARED
131 typedef	__uint32_t	in_addr_t;	/* base type for internet address */
132 #define	_IN_ADDR_T_DECLARED
133 #endif
134 
135 #ifndef _IN_PORT_T_DECLARED
136 typedef	__uint16_t	in_port_t;
137 #define	_IN_PORT_T_DECLARED
138 #endif
139 
140 #ifndef _ID_T_DECLARED
141 typedef	__id_t		id_t;		/* can hold a uid_t or pid_t */
142 #define	_ID_T_DECLARED
143 #endif
144 
145 #ifndef _INO_T_DECLARED
146 typedef	__ino_t		ino_t;		/* inode number */
147 #define	_INO_T_DECLARED
148 #endif
149 
150 #ifndef _KEY_T_DECLARED
151 typedef	__key_t		key_t;		/* IPC key (for Sys V IPC) */
152 #define	_KEY_T_DECLARED
153 #endif
154 
155 #ifndef _LWPID_T_DECLARED
156 typedef	__lwpid_t	lwpid_t;	/* Thread ID (a.k.a. LWP) */
157 #define	_LWPID_T_DECLARED
158 #endif
159 
160 #ifndef _MODE_T_DECLARED
161 typedef	__mode_t	mode_t;		/* permissions */
162 #define	_MODE_T_DECLARED
163 #endif
164 
165 #ifndef _ACCMODE_T_DECLARED
166 typedef	__accmode_t	accmode_t;	/* access permissions */
167 #define	_ACCMODE_T_DECLARED
168 #endif
169 
170 #ifndef _NLINK_T_DECLARED
171 typedef	__nlink_t	nlink_t;	/* link count */
172 #define	_NLINK_T_DECLARED
173 #endif
174 
175 #ifndef _OFF_T_DECLARED
176 typedef	__off_t		off_t;		/* file offset */
177 #define	_OFF_T_DECLARED
178 #endif
179 
180 #ifndef _PID_T_DECLARED
181 typedef	__pid_t		pid_t;		/* process id */
182 #define	_PID_T_DECLARED
183 #endif
184 
185 typedef	__register_t	register_t;
186 
187 #ifndef _RLIM_T_DECLARED
188 typedef	__rlim_t	rlim_t;		/* resource limit */
189 #define	_RLIM_T_DECLARED
190 #endif
191 
192 typedef	__segsz_t	segsz_t;	/* segment size (in pages) */
193 
194 #ifndef _SIZE_T_DECLARED
195 typedef	__size_t	size_t;
196 #define	_SIZE_T_DECLARED
197 #endif
198 
199 #ifndef _SSIZE_T_DECLARED
200 typedef	__ssize_t	ssize_t;
201 #define	_SSIZE_T_DECLARED
202 #endif
203 
204 #ifndef _SUSECONDS_T_DECLARED
205 typedef	__suseconds_t	suseconds_t;	/* microseconds (signed) */
206 #define	_SUSECONDS_T_DECLARED
207 #endif
208 
209 #ifndef _TIME_T_DECLARED
210 typedef	__time_t	time_t;
211 #define	_TIME_T_DECLARED
212 #endif
213 
214 #ifndef _TIMER_T_DECLARED
215 typedef	__timer_t	timer_t;
216 #define	_TIMER_T_DECLARED
217 #endif
218 
219 #ifndef _MQD_T_DECLARED
220 typedef	__mqd_t	mqd_t;
221 #define	_MQD_T_DECLARED
222 #endif
223 
224 typedef	__u_register_t	u_register_t;
225 
226 #ifndef _UID_T_DECLARED
227 typedef	__uid_t		uid_t;		/* user id */
228 #define	_UID_T_DECLARED
229 #endif
230 
231 #ifndef _USECONDS_T_DECLARED
232 typedef	__useconds_t	useconds_t;	/* microseconds (unsigned) */
233 #define	_USECONDS_T_DECLARED
234 #endif
235 
236 typedef	__vm_offset_t	vm_offset_t;
237 typedef	__vm_ooffset_t	vm_ooffset_t;
238 typedef	__vm_paddr_t	vm_paddr_t;
239 typedef	__vm_pindex_t	vm_pindex_t;
240 typedef	__vm_size_t	vm_size_t;
241 
242 #ifdef _KERNEL
243 typedef	int		boolean_t;
244 typedef	struct device	*device_t;
245 typedef	__intfptr_t	intfptr_t;
246 
247 /*
248  * XXX this is fixed width for historical reasons.  It should have had type
249  * __int_fast32_t.  Fixed-width types should not be used unless binary
250  * compatibility is essential.  Least-width types should be used even less
251  * since they provide smaller benefits.
252  *
253  * XXX should be MD.
254  *
255  * XXX this is bogus in -current, but still used for spl*().
256  */
257 typedef	__uint32_t	intrmask_t;	/* Interrupt mask (spl, xxx_imask...) */
258 
259 typedef	__uintfptr_t	uintfptr_t;
260 typedef	__uint64_t	uoff_t;
261 typedef	char		vm_memattr_t;	/* memory attribute codes */
262 typedef	struct vm_page	*vm_page_t;
263 
264 #if !defined(__bool_true_false_are_defined) && !defined(__cplusplus)
265 #define	__bool_true_false_are_defined	1
266 #define	false	0
267 #define	true	1
268 #if __STDC_VERSION__ < 199901L && __GNUC__ < 3 && !defined(__INTEL_COMPILER)
269 typedef	int	_Bool;
270 #endif
271 typedef	_Bool	bool;
272 #endif /* !__bool_true_false_are_defined && !__cplusplus */
273 
274 #define offsetof(type, field) __offsetof(type, field)
275 
276 #endif /* !_KERNEL */
277 
278 /*
279  * The following are all things that really shouldn't exist in this header,
280  * since its purpose is to provide typedefs, not miscellaneous doodads.
281  */
282 #if __BSD_VISIBLE
283 
284 #include <sys/select.h>
285 
286 #ifdef __POPCNT__
287 #define	__bitcount64(x)	__builtin_popcountll((__uint64_t)(x))
288 #define	__bitcount32(x)	__builtin_popcount((__uint32_t)(x))
289 #define	__bitcount16(x)	__builtin_popcount((__uint16_t)(x))
290 #define	__bitcountl(x)	__builtin_popcountl((unsigned long)(x))
291 #define	__bitcount(x)	__builtin_popcount((unsigned int)(x))
292 #else
293 /*
294  * Population count algorithm using SWAR approach
295  * - "SIMD Within A Register".
296  */
297 static __inline __uint16_t
__bitcount16(__uint16_t _x)298 __bitcount16(__uint16_t _x)
299 {
300 
301 	_x = (_x & 0x5555) + ((_x & 0xaaaa) >> 1);
302 	_x = (_x & 0x3333) + ((_x & 0xcccc) >> 2);
303 	_x = (_x + (_x >> 4)) & 0x0f0f;
304 	_x = (_x + (_x >> 8)) & 0x00ff;
305 	return (_x);
306 }
307 
308 static __inline __uint32_t
__bitcount32(__uint32_t _x)309 __bitcount32(__uint32_t _x)
310 {
311 
312 	_x = (_x & 0x55555555) + ((_x & 0xaaaaaaaa) >> 1);
313 	_x = (_x & 0x33333333) + ((_x & 0xcccccccc) >> 2);
314 	_x = (_x + (_x >> 4)) & 0x0f0f0f0f;
315 	_x = (_x + (_x >> 8));
316 	_x = (_x + (_x >> 16)) & 0x000000ff;
317 	return (_x);
318 }
319 
320 #ifdef __LP64__
321 static __inline __uint64_t
__bitcount64(__uint64_t _x)322 __bitcount64(__uint64_t _x)
323 {
324 
325 	_x = (_x & 0x5555555555555555) + ((_x & 0xaaaaaaaaaaaaaaaa) >> 1);
326 	_x = (_x & 0x3333333333333333) + ((_x & 0xcccccccccccccccc) >> 2);
327 	_x = (_x + (_x >> 4)) & 0x0f0f0f0f0f0f0f0f;
328 	_x = (_x + (_x >> 8));
329 	_x = (_x + (_x >> 16));
330 	_x = (_x + (_x >> 32)) & 0x000000ff;
331 	return (_x);
332 }
333 
334 #define	__bitcountl(x)	__bitcount64((unsigned long)(x))
335 #else
336 static __inline __uint64_t
__bitcount64(__uint64_t _x)337 __bitcount64(__uint64_t _x)
338 {
339 
340 	return (__bitcount32(_x >> 32) + __bitcount32(_x));
341 }
342 
343 #define	__bitcountl(x)	__bitcount32((unsigned long)(x))
344 #endif
345 #define	__bitcount(x)	__bitcount32((unsigned int)(x))
346 #endif
347 
348 /*
349  * minor() gives a cookie instead of an index since we don't want to
350  * change the meanings of bits 0-15 or waste time and space shifting
351  * bits 16-31 for devices that don't use them.
352  */
353 #define	major(x)	((int)(((u_int)(x) >> 8)&0xff))	/* major number */
354 #define	minor(x)	((int)((x)&0xffff00ff))		/* minor number */
355 #define	makedev(x,y)	((dev_t)(((x) << 8) | (y)))	/* create dev_t */
356 
357 /*
358  * These declarations belong elsewhere, but are repeated here and in
359  * <stdio.h> to give broken programs a better chance of working with
360  * 64-bit off_t's.
361  */
362 #ifndef _KERNEL
363 __BEGIN_DECLS
364 #ifndef _FTRUNCATE_DECLARED
365 #define	_FTRUNCATE_DECLARED
366 int	 ftruncate(int, off_t);
367 #endif
368 #ifndef _LSEEK_DECLARED
369 #define	_LSEEK_DECLARED
370 off_t	 lseek(int, off_t, int);
371 #endif
372 #ifndef _MMAP_DECLARED
373 #define	_MMAP_DECLARED
374 void *	 mmap(void *, size_t, int, int, int, off_t);
375 #endif
376 #ifndef _TRUNCATE_DECLARED
377 #define	_TRUNCATE_DECLARED
378 int	 truncate(const char *, off_t);
379 #endif
380 __END_DECLS
381 #endif /* !_KERNEL */
382 
383 #endif /* __BSD_VISIBLE */
384 
385 #endif /* !_SYS_TYPES_H_ */
386