types.h revision 90868
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 90868 2002-02-18 20:35:27Z 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 <sys/stdint.h> /* includes <machine/ansi.h> */ 49#include <machine/endian.h> 50#include <machine/types.h> 51 52#ifndef _POSIX_SOURCE 53typedef unsigned char u_char; 54typedef unsigned short u_short; 55typedef unsigned int u_int; 56typedef unsigned long u_long; 57typedef unsigned short ushort; /* Sys V compatibility */ 58typedef unsigned int uint; /* Sys V compatibility */ 59#endif 60 61typedef __uint8_t u_int8_t; 62typedef __uint16_t u_int16_t; 63typedef __uint32_t u_int32_t; 64typedef __uint64_t u_int64_t; 65 66typedef u_int64_t u_quad_t; /* quads */ 67typedef int64_t quad_t; 68typedef quad_t * qaddr_t; 69 70typedef char * caddr_t; /* core address */ 71typedef __const char * c_caddr_t; /* core address, pointer to const */ 72typedef __volatile char *v_caddr_t; /* core address, pointer to volatile */ 73typedef int32_t daddr_t; /* disk address */ 74typedef u_int32_t u_daddr_t; /* unsigned disk address */ 75typedef u_int32_t fixpt_t; /* fixed point number */ 76typedef u_int32_t gid_t; /* group id */ 77typedef u_int32_t ino_t; /* inode number */ 78typedef long key_t; /* IPC key (for Sys V IPC) */ 79typedef u_int16_t mode_t; /* permissions */ 80typedef u_int16_t nlink_t; /* link count */ 81typedef _BSD_OFF_T_ off_t; /* file offset */ 82typedef _BSD_PID_T_ pid_t; /* process id */ 83typedef quad_t rlim_t; /* resource limit */ 84#ifdef __alpha__ /* XXX should be in <machine/types.h> */ 85typedef int64_t segsz_t; /* segment size */ 86#else 87typedef int32_t segsz_t; /* segment size */ 88#endif 89typedef int32_t swblk_t; /* swap offset */ 90typedef int32_t ufs_daddr_t; 91typedef int32_t ufs_time_t; 92typedef u_int32_t uid_t; /* user id */ 93 94#ifdef _KERNEL 95typedef int boolean_t; 96typedef u_int64_t uoff_t; 97typedef struct vm_page *vm_page_t; 98 99struct specinfo; 100 101typedef u_int32_t udev_t; /* device number */ 102typedef struct specinfo *dev_t; 103 104#define offsetof(type, field) __offsetof(type, field) 105 106#else /* !_KERNEL */ 107 108typedef u_int32_t dev_t; /* device number */ 109#define udev_t dev_t 110 111#ifndef _POSIX_SOURCE 112 113/* 114 * minor() gives a cookie instead of an index since we don't want to 115 * change the meanings of bits 0-15 or waste time and space shifting 116 * bits 16-31 for devices that don't use them. 117 */ 118#define major(x) ((int)(((u_int)(x) >> 8)&0xff)) /* major number */ 119#define minor(x) ((int)((x)&0xffff00ff)) /* minor number */ 120#define makedev(x,y) ((dev_t)(((x) << 8) | (y))) /* create dev_t */ 121 122#endif /* _POSIX_SOURCE */ 123 124#endif /* !_KERNEL */ 125 126#ifdef _BSD_CLOCK_T_ 127typedef _BSD_CLOCK_T_ clock_t; 128#undef _BSD_CLOCK_T_ 129#endif 130 131#ifdef _BSD_CLOCKID_T_ 132typedef _BSD_CLOCKID_T_ clockid_t; 133#undef _BSD_CLOCKID_T_ 134#endif 135 136#ifdef _BSD_FFLAGS_T_ 137typedef _BSD_FFLAGS_T_ fflags_t; /* file flags */ 138#undef _BSD_FFLAGS_T_ 139#endif 140 141#ifdef _BSD_SIZE_T_ 142typedef _BSD_SIZE_T_ size_t; 143#undef _BSD_SIZE_T_ 144#endif 145 146#ifdef _BSD_SSIZE_T_ 147typedef _BSD_SSIZE_T_ ssize_t; 148#undef _BSD_SSIZE_T_ 149#endif 150 151#ifdef _BSD_TIME_T_ 152typedef _BSD_TIME_T_ time_t; 153#undef _BSD_TIME_T_ 154#endif 155 156#ifdef _BSD_TIMER_T_ 157typedef _BSD_TIMER_T_ timer_t; 158#undef _BSD_TIMER_T_ 159#endif 160 161#ifndef _POSIX_SOURCE 162#define NBBY 8 /* number of bits in a byte */ 163 164/* 165 * Select uses bit masks of file descriptors in longs. These macros 166 * manipulate such bit fields (the filesystem macros use chars). 167 * FD_SETSIZE may be defined by the user, but the default here should 168 * be enough for most uses. 169 */ 170#ifndef FD_SETSIZE 171#define FD_SETSIZE 1024U 172#endif 173 174typedef unsigned long fd_mask; 175#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */ 176 177#ifndef howmany 178#define howmany(x, y) (((x) + ((y) - 1U)) / (y)) 179#endif 180 181typedef struct fd_set { 182 fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)]; 183} fd_set; 184 185#define _fdset_mask(n) ((fd_mask)1 << ((n) % NFDBITS)) 186#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= _fdset_mask(n)) 187#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~_fdset_mask(n)) 188#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & _fdset_mask(n)) 189#define FD_COPY(f, t) bcopy(f, t, sizeof(*(f))) 190#define FD_ZERO(p) bzero(p, sizeof(*(p))) 191 192/* 193 * These declarations belong elsewhere, but are repeated here and in 194 * <stdio.h> to give broken programs a better chance of working with 195 * 64-bit off_t's. 196 */ 197#ifndef _KERNEL 198__BEGIN_DECLS 199#ifndef _FTRUNCATE_DECLARED 200#define _FTRUNCATE_DECLARED 201int ftruncate __P((int, off_t)); 202#endif 203#ifndef _LSEEK_DECLARED 204#define _LSEEK_DECLARED 205off_t lseek __P((int, off_t, int)); 206#endif 207#ifndef _MMAP_DECLARED 208#define _MMAP_DECLARED 209void * mmap __P((void *, size_t, int, int, int, off_t)); 210#endif 211#ifndef _TRUNCATE_DECLARED 212#define _TRUNCATE_DECLARED 213int truncate __P((const char *, off_t)); 214#endif 215__END_DECLS 216#endif /* !_KERNEL */ 217 218#endif /* !_POSIX_SOURCE */ 219 220#endif /* !_SYS_TYPES_H_ */ 221