types.h revision 25579
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 1.20 1997/04/13 15:38:10 bde Exp $ 40 */ 41 42#ifndef _SYS_TYPES_H_ 43#define _SYS_TYPES_H_ 44 45/* Machine type dependent parameters. */ 46#include <sys/cdefs.h> /* XXX for __signed in machine/ansi.h */ 47#include <machine/ansi.h> 48#include <machine/types.h> 49 50#ifndef _POSIX_SOURCE 51typedef unsigned char u_char; 52typedef unsigned short u_short; 53typedef unsigned int u_int; 54typedef unsigned long u_long; 55typedef unsigned short ushort; /* Sys V compatibility */ 56typedef unsigned int uint; /* Sys V compatibility */ 57#endif 58 59typedef u_int64_t u_quad_t; /* quads */ 60typedef int64_t quad_t; 61typedef quad_t * qaddr_t; 62 63typedef char * caddr_t; /* core address */ 64typedef int32_t daddr_t; /* disk address */ 65typedef u_int32_t dev_t; /* device number */ 66typedef u_int32_t fixpt_t; /* fixed point number */ 67typedef u_int32_t gid_t; /* group id */ 68typedef u_int32_t ino_t; /* inode number */ 69typedef long key_t; /* IPC key (for Sys V IPC) */ 70typedef u_int16_t mode_t; /* permissions */ 71typedef u_int16_t nlink_t; /* link count */ 72typedef _BSD_OFF_T_ off_t; /* file offset */ 73typedef _BSD_PID_T_ pid_t; /* process id */ 74typedef quad_t rlim_t; /* resource limit */ 75typedef int32_t segsz_t; /* segment size */ 76typedef int32_t swblk_t; /* swap offset */ 77typedef u_int32_t uid_t; /* user id */ 78 79#ifdef KERNEL 80typedef int boolean_t; 81typedef struct vm_page *vm_page_t; 82#endif 83 84#ifndef _POSIX_SOURCE 85/* 86 * minor() gives a cookie instead of an index since we don't want to 87 * change the meanings of bits 0-15 or waste time and space shifting 88 * bits 16-31 for devices that don't use them. 89 */ 90#define major(x) ((int)(((u_int)(x) >> 8)&0xff)) /* major number */ 91#define minor(x) ((int)((x)&0xffff00ff)) /* minor number */ 92#define makedev(x,y) ((dev_t)(((x) << 8) | (y))) /* create dev_t */ 93#endif 94 95#include <machine/endian.h> 96 97#ifdef _BSD_CLOCK_T_ 98typedef _BSD_CLOCK_T_ clock_t; 99#undef _BSD_CLOCK_T_ 100#endif 101 102#ifdef _BSD_SIZE_T_ 103typedef _BSD_SIZE_T_ size_t; 104#undef _BSD_SIZE_T_ 105#endif 106 107#ifdef _BSD_SSIZE_T_ 108typedef _BSD_SSIZE_T_ ssize_t; 109#undef _BSD_SSIZE_T_ 110#endif 111 112#ifdef _BSD_TIME_T_ 113typedef _BSD_TIME_T_ time_t; 114#undef _BSD_TIME_T_ 115#endif 116 117#ifdef _BSD_CLOCKID_T_ 118typedef _BSD_CLOCKID_T_ clockid_t; 119#undef _BSD_CLOCKID_T_ 120#endif 121 122#ifdef _BSD_TIMER_T_ 123typedef _BSD_TIMER_T_ timer_t; 124#undef _BSD_TIMER_T_ 125#endif 126 127#ifndef _POSIX_SOURCE 128#define NBBY 8 /* number of bits in a byte */ 129 130/* 131 * Select uses bit masks of file descriptors in longs. These macros 132 * manipulate such bit fields (the filesystem macros use chars). 133 * FD_SETSIZE may be defined by the user, but the default here should 134 * be enough for most uses. 135 */ 136#ifndef FD_SETSIZE 137#define FD_SETSIZE 1024 138#endif 139 140typedef long fd_mask; 141#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */ 142 143#ifndef howmany 144#define howmany(x, y) (((x) + ((y) - 1)) / (y)) 145#endif 146 147typedef struct fd_set { 148 fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)]; 149} fd_set; 150 151#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS))) 152#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS))) 153#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS))) 154#define FD_COPY(f, t) bcopy(f, t, sizeof(*(f))) 155#define FD_ZERO(p) bzero(p, sizeof(*(p))) 156 157/* 158 * These declarations belong elsewhere, but are repeated here and in 159 * <stdio.h> to give broken programs a better chance of working with 160 * 64-bit off_t's. 161 */ 162#ifndef KERNEL 163#include <sys/cdefs.h> 164__BEGIN_DECLS 165#ifndef _FTRUNCATE_DECLARED 166#define _FTRUNCATE_DECLARED 167int ftruncate __P((int, off_t)); 168#endif 169#ifndef _LSEEK_DECLARED 170#define _LSEEK_DECLARED 171off_t lseek __P((int, off_t, int)); 172#endif 173#ifndef _MMAP_DECLARED 174#define _MMAP_DECLARED 175caddr_t mmap __P((caddr_t, size_t, int, int, int, off_t)); 176#endif 177#ifndef _TRUNCATE_DECLARED 178#define _TRUNCATE_DECLARED 179int truncate __P((const char *, off_t)); 180#endif 181__END_DECLS 182#endif /* !KERNEL */ 183 184#if defined(__STDC__) && defined(KERNEL) 185/* 186 * Forward structure declarations for function prototypes. We include the 187 * common structures that cross subsystem boundaries here; others are mostly 188 * used in the same place that the structure is defined. 189 */ 190struct proc; 191struct pgrp; 192struct ucred; 193struct rusage; 194struct file; 195struct buf; 196struct tty; 197struct uio; 198#endif 199 200#endif /* !_POSIX_SOURCE */ 201#endif /* !_SYS_TYPES_H_ */ 202