FreeBSD/Linux Kernel Cross Reference
sys/sys/types.h
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 __sbintime_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 physical addresses, virtual addresses
256 * (pointers), and memory object sizes from the kernel independent of native
257 * word size. These should be used in place of vm_paddr_t, (u)intptr_t, and
258 * size_t in structs which contain such types that are shared with userspace.
259 */
260 typedef __uint64_t kpaddr_t;
261 typedef __uint64_t kvaddr_t;
262 typedef __uint64_t ksize_t;
263 typedef __int64_t kssize_t;
264
265 typedef __vm_offset_t vm_offset_t;
266 typedef __uint64_t vm_ooffset_t;
267 typedef __vm_paddr_t vm_paddr_t;
268 typedef __uint64_t vm_pindex_t;
269 typedef __vm_size_t vm_size_t;
270
271 typedef __rman_res_t rman_res_t;
272
273 typedef __register_t syscallarg_t;
274
275 #ifdef _KERNEL
276 typedef int boolean_t;
277 typedef struct _device *device_t;
278 typedef __intfptr_t intfptr_t;
279
280 /*
281 * XXX this is fixed width for historical reasons. It should have had type
282 * __int_fast32_t. Fixed-width types should not be used unless binary
283 * compatibility is essential. Least-width types should be used even less
284 * since they provide smaller benefits.
285 *
286 * XXX should be MD.
287 *
288 * XXX this is bogus in -current, but still used for spl*().
289 */
290 typedef __uint32_t intrmask_t; /* Interrupt mask (spl, xxx_imask...) */
291
292 typedef __uintfptr_t uintfptr_t;
293 typedef __uint64_t uoff_t;
294 typedef char vm_memattr_t; /* memory attribute codes */
295 typedef struct vm_page *vm_page_t;
296
297 #define offsetof(type, field) __offsetof(type, field)
298 #endif /* _KERNEL */
299
300 #if defined(_KERNEL) || defined(_STANDALONE)
301 #if !defined(__bool_true_false_are_defined) && !defined(__cplusplus)
302 #define __bool_true_false_are_defined 1
303 #define false 0
304 #define true 1
305 typedef _Bool bool;
306 #endif /* !__bool_true_false_are_defined && !__cplusplus */
307 #endif /* KERNEL || _STANDALONE */
308
309 /*
310 * The following are all things that really shouldn't exist in this header,
311 * since its purpose is to provide typedefs, not miscellaneous doodads.
312 */
313 #include <sys/bitcount.h>
314
315 #if __BSD_VISIBLE
316
317 #include <sys/select.h>
318
319 /*
320 * The major and minor numbers are encoded in dev_t as MMMmmmMm (where
321 * letters correspond to bytes). The encoding of the lower 4 bytes is
322 * constrained by compatibility with 16-bit and 32-bit dev_t's. The
323 * encoding of of the upper 4 bytes is the least unnatural one consistent
324 * with this and other constraints. Also, the decoding of the m bytes by
325 * minor() is unnatural to maximize compatibility subject to not discarding
326 * bits. The upper m byte is shifted into the position of the lower M byte
327 * instead of shifting 3 upper m bytes to close the gap. Compatibility for
328 * minor() is achieved iff the upper m byte is 0.
329 */
330 #define major(d) __major(d)
331 static __inline int
332 __major(dev_t _d)
333 {
334 return (((_d >> 32) & 0xffffff00) | ((_d >> 8) & 0xff));
335 }
336 #define minor(d) __minor(d)
337 static __inline int
338 __minor(dev_t _d)
339 {
340 return (((_d >> 24) & 0xff00) | (_d & 0xffff00ff));
341 }
342 #define makedev(M, m) __makedev((M), (m))
343 static __inline dev_t
344 __makedev(int _Major, int _Minor)
345 {
346 return (((dev_t)(_Major & 0xffffff00) << 32) | ((_Major & 0xff) << 8) |
347 ((dev_t)(_Minor & 0xff00) << 24) | (_Minor & 0xffff00ff));
348 }
349
350 /*
351 * These declarations belong elsewhere, but are repeated here and in
352 * <stdio.h> to give broken programs a better chance of working with
353 * 64-bit off_t's.
354 */
355 #ifndef _KERNEL
356 __BEGIN_DECLS
357 #ifndef _FTRUNCATE_DECLARED
358 #define _FTRUNCATE_DECLARED
359 int ftruncate(int, off_t);
360 #endif
361 #ifndef _LSEEK_DECLARED
362 #define _LSEEK_DECLARED
363 off_t lseek(int, off_t, int);
364 #endif
365 #ifndef _MMAP_DECLARED
366 #define _MMAP_DECLARED
367 void * mmap(void *, size_t, int, int, int, off_t);
368 #endif
369 #ifndef _TRUNCATE_DECLARED
370 #define _TRUNCATE_DECLARED
371 int truncate(const char *, off_t);
372 #endif
373 __END_DECLS
374 #endif /* !_KERNEL */
375
376 #endif /* __BSD_VISIBLE */
377
378 #endif /* !_SYS_TYPES_H_ */
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