types.h revision 1541
1/*- 2 * Copyright (c) 1982, 1986, 1991, 1993 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 8.4 (Berkeley) 1/21/94 39 */ 40 41#ifndef _SYS_TYPES_H_ 42#define _SYS_TYPES_H_ 43 44/* Machine type dependent parameters. */ 45#include <machine/endian.h> 46 47#ifndef _POSIX_SOURCE 48typedef unsigned char u_char; 49typedef unsigned short u_short; 50typedef unsigned int u_int; 51typedef unsigned long u_long; 52typedef unsigned short ushort; /* Sys V compatibility */ 53typedef unsigned int uint; /* Sys V compatibility */ 54#endif 55 56typedef unsigned long long u_quad_t; /* quads */ 57typedef long long quad_t; 58typedef quad_t * qaddr_t; 59 60typedef char * caddr_t; /* core address */ 61typedef long daddr_t; /* disk address */ 62typedef unsigned long dev_t; /* device number */ 63typedef unsigned long fixpt_t; /* fixed point number */ 64typedef unsigned long gid_t; /* group id */ 65typedef unsigned long ino_t; /* inode number */ 66typedef unsigned short mode_t; /* permissions */ 67typedef unsigned short nlink_t; /* link count */ 68typedef quad_t off_t; /* file offset */ 69typedef long pid_t; /* process id */ 70typedef long segsz_t; /* segment size */ 71typedef long swblk_t; /* swap offset */ 72typedef unsigned long uid_t; /* user id */ 73 74/* 75 * This belongs in unistd.h, but is placed here to ensure that programs 76 * casting the second parameter of lseek to off_t will get the correct 77 * version of lseek. 78 */ 79#ifndef KERNEL 80#include <sys/cdefs.h> 81__BEGIN_DECLS 82off_t lseek __P((int, off_t, int)); 83__END_DECLS 84#endif 85 86#ifndef _POSIX_SOURCE 87#define major(x) ((int)(((u_int)(x) >> 8)&0xff)) /* major number */ 88#define minor(x) ((int)((x)&0xff)) /* minor number */ 89#define makedev(x,y) ((dev_t)(((x)<<8) | (y))) /* create dev_t */ 90#endif 91 92#include <machine/ansi.h> 93#include <machine/types.h> 94 95#ifdef _BSD_CLOCK_T_ 96typedef _BSD_CLOCK_T_ clock_t; 97#undef _BSD_CLOCK_T_ 98#endif 99 100#ifdef _BSD_SIZE_T_ 101typedef _BSD_SIZE_T_ size_t; 102#undef _BSD_SIZE_T_ 103#endif 104 105#ifdef _BSD_SSIZE_T_ 106typedef _BSD_SSIZE_T_ ssize_t; 107#undef _BSD_SSIZE_T_ 108#endif 109 110#ifdef _BSD_TIME_T_ 111typedef _BSD_TIME_T_ time_t; 112#undef _BSD_TIME_T_ 113#endif 114 115#ifndef _POSIX_SOURCE 116#define NBBY 8 /* number of bits in a byte */ 117 118/* 119 * Select uses bit masks of file descriptors in longs. These macros 120 * manipulate such bit fields (the filesystem macros use chars). 121 * FD_SETSIZE may be defined by the user, but the default here should 122 * be enough for most uses. 123 */ 124#ifndef FD_SETSIZE 125#define FD_SETSIZE 256 126#endif 127 128typedef long fd_mask; 129#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */ 130 131#ifndef howmany 132#define howmany(x, y) (((x)+((y)-1))/(y)) 133#endif 134 135typedef struct fd_set { 136 fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)]; 137} fd_set; 138 139#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS))) 140#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS))) 141#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS))) 142#define FD_COPY(f, t) bcopy(f, t, sizeof(*(f))) 143#define FD_ZERO(p) bzero(p, sizeof(*(p))) 144 145#if defined(__STDC__) && defined(KERNEL) 146/* 147 * Forward structure declarations for function prototypes. We include the 148 * common structures that cross subsystem boundaries here; others are mostly 149 * used in the same place that the structure is defined. 150 */ 151struct proc; 152struct pgrp; 153struct ucred; 154struct rusage; 155struct file; 156struct buf; 157struct tty; 158struct uio; 159#endif 160 161#endif /* !_POSIX_SOURCE */ 162#endif /* !_SYS_TYPES_H_ */ 163