types.h revision 41927
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 * $Id: types.h,v 1.25 1998/06/07 17:13:05 dfr Exp $ 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/inttypes.h> /* includes <machine/ansi.h> */ 49#include <machine/types.h> 50 51#ifndef _POSIX_SOURCE 52typedef unsigned char u_char; 53typedef unsigned short u_short; 54typedef unsigned int u_int; 55typedef unsigned long u_long; 56typedef unsigned short ushort; /* Sys V compatibility */ 57typedef unsigned int uint; /* Sys V compatibility */ 58#endif 59 60typedef __uint8_t u_int8_t; 61typedef __uint16_t u_int16_t; 62typedef __uint32_t u_int32_t; 63typedef __uint64_t u_int64_t; 64 65typedef u_int64_t u_quad_t; /* quads */ 66typedef int64_t quad_t; 67typedef quad_t * qaddr_t; 68 69typedef char * caddr_t; /* core address */ 70typedef int32_t daddr_t; /* disk address */ 71typedef u_int32_t dev_t; /* device number */ 72typedef u_int32_t fixpt_t; /* fixed point number */ 73typedef u_int32_t gid_t; /* group id */ 74typedef u_int32_t ino_t; /* inode number */ 75typedef long key_t; /* IPC key (for Sys V IPC) */ 76typedef u_int16_t mode_t; /* permissions */ 77typedef u_int16_t nlink_t; /* link count */ 78typedef _BSD_OFF_T_ off_t; /* file offset */ 79typedef _BSD_PID_T_ pid_t; /* process id */ 80typedef quad_t rlim_t; /* resource limit */ 81#ifdef __alpha__ /* XXX should be in <machine/types.h> */ 82typedef int64_t segsz_t; /* segment size */ 83#else 84typedef int32_t segsz_t; /* segment size */ 85#endif 86typedef int32_t swblk_t; /* swap offset */ 87typedef int32_t ufs_daddr_t; 88typedef u_int32_t uid_t; /* user id */ 89 90#ifdef KERNEL 91typedef int boolean_t; 92typedef u_int64_t uoff_t; 93typedef struct vm_page *vm_page_t; 94#endif 95 96#ifndef _POSIX_SOURCE 97/* 98 * minor() gives a cookie instead of an index since we don't want to 99 * change the meanings of bits 0-15 or waste time and space shifting 100 * bits 16-31 for devices that don't use them. 101 */ 102#define major(x) ((int)(((u_int)(x) >> 8)&0xff)) /* major number */ 103#define minor(x) ((int)((x)&0xffff00ff)) /* minor number */ 104#define makedev(x,y) ((dev_t)(((x) << 8) | (y))) /* create dev_t */ 105#endif 106 107#include <machine/endian.h> 108 109#ifdef _BSD_CLOCK_T_ 110typedef _BSD_CLOCK_T_ clock_t; 111#undef _BSD_CLOCK_T_ 112#endif 113 114#ifdef _BSD_CLOCKID_T_ 115typedef _BSD_CLOCKID_T_ clockid_t; 116#undef _BSD_CLOCKID_T_ 117#endif 118 119#ifdef _BSD_SIZE_T_ 120typedef _BSD_SIZE_T_ size_t; 121#undef _BSD_SIZE_T_ 122#endif 123 124#ifdef _BSD_SSIZE_T_ 125typedef _BSD_SSIZE_T_ ssize_t; 126#undef _BSD_SSIZE_T_ 127#endif 128 129#ifdef _BSD_TIME_T_ 130typedef _BSD_TIME_T_ time_t; 131#undef _BSD_TIME_T_ 132#endif 133 134#ifdef _BSD_TIMER_T_ 135typedef _BSD_TIMER_T_ timer_t; 136#undef _BSD_TIMER_T_ 137#endif 138 139#ifndef _POSIX_SOURCE 140#define NBBY 8 /* number of bits in a byte */ 141 142/* 143 * Select uses bit masks of file descriptors in longs. These macros 144 * manipulate such bit fields (the filesystem macros use chars). 145 * FD_SETSIZE may be defined by the user, but the default here should 146 * be enough for most uses. 147 */ 148#ifndef FD_SETSIZE 149#define FD_SETSIZE 1024 150#endif 151 152typedef long fd_mask; 153#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */ 154 155#ifndef howmany 156#define howmany(x, y) (((x) + ((y) - 1)) / (y)) 157#endif 158 159typedef struct fd_set { 160 fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)]; 161} fd_set; 162 163#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS))) 164#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS))) 165#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS))) 166#define FD_COPY(f, t) bcopy(f, t, sizeof(*(f))) 167#define FD_ZERO(p) bzero(p, sizeof(*(p))) 168 169/* 170 * These declarations belong elsewhere, but are repeated here and in 171 * <stdio.h> to give broken programs a better chance of working with 172 * 64-bit off_t's. 173 */ 174#ifndef KERNEL 175__BEGIN_DECLS 176#ifndef _FTRUNCATE_DECLARED 177#define _FTRUNCATE_DECLARED 178int ftruncate __P((int, off_t)); 179#endif 180#ifndef _LSEEK_DECLARED 181#define _LSEEK_DECLARED 182off_t lseek __P((int, off_t, int)); 183#endif 184#ifndef _MMAP_DECLARED 185#define _MMAP_DECLARED 186void * mmap __P((void *, size_t, int, int, int, off_t)); 187#endif 188#ifndef _TRUNCATE_DECLARED 189#define _TRUNCATE_DECLARED 190int truncate __P((const char *, off_t)); 191#endif 192__END_DECLS 193#endif /* !KERNEL */ 194 195#endif /* !_POSIX_SOURCE */ 196 197#endif /* !_SYS_TYPES_H_ */ 198