types.h revision 93521
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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)types.h 8.6 (Berkeley) 2/19/95 39 * $FreeBSD: head/sys/sys/types.h 93521 2002-04-01 09:45:05Z mike $ 40 */ 41 42#ifndef _SYS_TYPES_H_ 43#define _SYS_TYPES_H_ 44 45#include <sys/cdefs.h> 46 47/* Machine type dependent parameters. */ 48#include <machine/ansi.h> 49#include <machine/endian.h> 50#include <machine/types.h> 51#include <sys/_types.h> 52 53#ifndef _POSIX_SOURCE 54typedef unsigned char u_char; 55typedef unsigned short u_short; 56typedef unsigned int u_int; 57typedef unsigned long u_long; 58typedef unsigned short ushort; /* Sys V compatibility */ 59typedef unsigned int uint; /* Sys V compatibility */ 60#endif 61 62/* 63 * XXX POSIX sized integrals that should appear only in <sys/stdint.h>. 64 */ 65#ifndef _INT8_T_DECLARED 66typedef __int8_t int8_t; 67#define _INT8_T_DECLARED 68#endif 69 70#ifndef _INT16_T_DECLARED 71typedef __int16_t int16_t; 72#define _INT16_T_DECLARED 73#endif 74 75#ifndef _INT32_T_DECLARED 76typedef __int32_t int32_t; 77#define _INT32_T_DECLARED 78#endif 79 80#ifndef _INT64_T_DECLARED 81typedef __int64_t int64_t; 82#define _INT64_T_DECLARED 83#endif 84 85#ifndef _UINT8_T_DECLARED 86typedef __uint8_t uint8_t; 87#define _UINT8_T_DECLARED 88#endif 89 90#ifndef _UINT16_T_DECLARED 91typedef __uint16_t uint16_t; 92#define _UINT16_T_DECLARED 93#endif 94 95#ifndef _UINT32_T_DECLARED 96typedef __uint32_t uint32_t; 97#define _UINT32_T_DECLARED 98#endif 99 100#ifndef _UINT64_T_DECLARED 101typedef __uint64_t uint64_t; 102#define _UINT64_T_DECLARED 103#endif 104 105#ifndef _INTPTR_T_DECLARED 106typedef __intptr_t intptr_t; 107typedef __uintptr_t uintptr_t; 108#define _INTPTR_T_DECLARED 109#endif 110 111/* 112 * Deprecated BSD unsigned integrals. 113 */ 114typedef __uint8_t u_int8_t; 115typedef __uint16_t u_int16_t; 116typedef __uint32_t u_int32_t; 117typedef __uint64_t u_int64_t; 118 119/* 120 * Deprecated BSD 64-bit integrals. 121 */ 122typedef u_int64_t u_quad_t; /* quads */ 123typedef int64_t quad_t; 124typedef quad_t * qaddr_t; 125 126typedef char * caddr_t; /* core address */ 127typedef __const char * c_caddr_t; /* core address, pointer to const */ 128typedef __volatile char *v_caddr_t; /* core address, pointer to volatile */ 129typedef int32_t daddr_t; /* disk address */ 130typedef int64_t daddr64_t; /* 64-bit disk address */ 131typedef u_int32_t u_daddr_t; /* unsigned disk address */ 132typedef u_int32_t fixpt_t; /* fixed point number */ 133 134#ifdef _BSD_GID_T_ 135typedef _BSD_GID_T_ gid_t; /* group id */ 136#undef _BSD_GID_T_ 137#endif 138 139typedef u_int32_t ino_t; /* inode number */ 140typedef long key_t; /* IPC key (for Sys V IPC) */ 141typedef u_int16_t mode_t; /* permissions */ 142typedef u_int16_t nlink_t; /* link count */ 143typedef _BSD_OFF_T_ off_t; /* file offset */ 144typedef _BSD_PID_T_ pid_t; /* process id */ 145typedef quad_t rlim_t; /* resource limit */ 146#ifdef __alpha__ /* XXX should be in <machine/types.h> */ 147typedef int64_t segsz_t; /* segment size */ 148#else 149typedef int32_t segsz_t; /* segment size */ 150#endif 151typedef int32_t swblk_t; /* swap offset */ 152typedef int32_t ufs_daddr_t; 153typedef int32_t ufs_time_t; 154 155#ifdef _BSD_UID_T_ 156typedef _BSD_UID_T_ uid_t; /* user id */ 157#undef _BSD_UID_T_ 158#endif 159 160#ifdef _KERNEL 161typedef int boolean_t; 162typedef u_int64_t uoff_t; 163typedef struct vm_page *vm_page_t; 164 165struct specinfo; 166 167typedef u_int32_t udev_t; /* device number */ 168typedef struct specinfo *dev_t; 169 170#define offsetof(type, field) __offsetof(type, field) 171 172#else /* !_KERNEL */ 173 174typedef u_int32_t dev_t; /* device number */ 175#define udev_t dev_t 176 177#ifndef _POSIX_SOURCE 178 179/* 180 * minor() gives a cookie instead of an index since we don't want to 181 * change the meanings of bits 0-15 or waste time and space shifting 182 * bits 16-31 for devices that don't use them. 183 */ 184#define major(x) ((int)(((u_int)(x) >> 8)&0xff)) /* major number */ 185#define minor(x) ((int)((x)&0xffff00ff)) /* minor number */ 186#define makedev(x,y) ((dev_t)(((x) << 8) | (y))) /* create dev_t */ 187 188#endif /* _POSIX_SOURCE */ 189 190#endif /* !_KERNEL */ 191 192#ifdef _BSD_CLOCK_T_ 193typedef _BSD_CLOCK_T_ clock_t; 194#undef _BSD_CLOCK_T_ 195#endif 196 197#ifdef _BSD_CLOCKID_T_ 198typedef _BSD_CLOCKID_T_ clockid_t; 199#undef _BSD_CLOCKID_T_ 200#endif 201 202#ifdef _BSD_FFLAGS_T_ 203typedef _BSD_FFLAGS_T_ fflags_t; /* file flags */ 204#undef _BSD_FFLAGS_T_ 205#endif 206 207#ifdef _BSD_SIZE_T_ 208typedef _BSD_SIZE_T_ size_t; 209#undef _BSD_SIZE_T_ 210#endif 211 212#ifdef _BSD_SSIZE_T_ 213typedef _BSD_SSIZE_T_ ssize_t; 214#undef _BSD_SSIZE_T_ 215#endif 216 217#ifdef _BSD_TIME_T_ 218typedef _BSD_TIME_T_ time_t; 219#undef _BSD_TIME_T_ 220#endif 221 222#ifdef _BSD_TIMER_T_ 223typedef _BSD_TIMER_T_ timer_t; 224#undef _BSD_TIMER_T_ 225#endif 226 227#ifndef _POSIX_SOURCE 228#define NBBY 8 /* number of bits in a byte */ 229 230/* 231 * Select uses bit masks of file descriptors in longs. These macros 232 * manipulate such bit fields (the filesystem macros use chars). 233 * FD_SETSIZE may be defined by the user, but the default here should 234 * be enough for most uses. 235 */ 236#ifndef FD_SETSIZE 237#define FD_SETSIZE 1024U 238#endif 239 240typedef unsigned long fd_mask; 241#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */ 242 243#ifndef howmany 244#define howmany(x, y) (((x) + ((y) - 1U)) / (y)) 245#endif 246 247typedef struct fd_set { 248 fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)]; 249} fd_set; 250 251#define _fdset_mask(n) ((fd_mask)1 << ((n) % NFDBITS)) 252#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= _fdset_mask(n)) 253#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~_fdset_mask(n)) 254#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & _fdset_mask(n)) 255#define FD_COPY(f, t) bcopy(f, t, sizeof(*(f))) 256#define FD_ZERO(p) bzero(p, sizeof(*(p))) 257 258/* 259 * These declarations belong elsewhere, but are repeated here and in 260 * <stdio.h> to give broken programs a better chance of working with 261 * 64-bit off_t's. 262 */ 263#ifndef _KERNEL 264__BEGIN_DECLS 265#ifndef _FTRUNCATE_DECLARED 266#define _FTRUNCATE_DECLARED 267int ftruncate(int, off_t); 268#endif 269#ifndef _LSEEK_DECLARED 270#define _LSEEK_DECLARED 271off_t lseek(int, off_t, int); 272#endif 273#ifndef _MMAP_DECLARED 274#define _MMAP_DECLARED 275void * mmap(void *, size_t, int, int, int, off_t); 276#endif 277#ifndef _TRUNCATE_DECLARED 278#define _TRUNCATE_DECLARED 279int truncate(const char *, off_t); 280#endif 281__END_DECLS 282#endif /* !_KERNEL */ 283 284#endif /* !_POSIX_SOURCE */ 285 286#endif /* !_SYS_TYPES_H_ */ 287