types.h revision 22975
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 * $Id$ 40 */ 41 42#ifndef _SYS_TYPES_H_ 43#define _SYS_TYPES_H_ 44 45/* Machine type dependent parameters. */ 46#include <machine/ansi.h> 47#include <machine/types.h> 48 49#ifndef _POSIX_SOURCE 50typedef unsigned char u_char; 51typedef unsigned short u_short; 52typedef unsigned int u_int; 53typedef unsigned long u_long; 54typedef unsigned short ushort; /* Sys V compatibility */ 55typedef unsigned int uint; /* Sys V compatibility */ 56#endif 57 58typedef u_int64_t u_quad_t; /* quads */ 59typedef int64_t quad_t; 60typedef quad_t * qaddr_t; 61 62typedef char * caddr_t; /* core address */ 63typedef int32_t daddr_t; /* disk address */ 64typedef u_int32_t dev_t; /* device number */ 65typedef u_int32_t fixpt_t; /* fixed point number */ 66typedef u_int32_t gid_t; /* group id */ 67typedef u_int32_t ino_t; /* inode number */ 68typedef long key_t; /* IPC key (for Sys V IPC) */ 69typedef u_int16_t mode_t; /* permissions */ 70typedef u_int16_t nlink_t; /* link count */ 71typedef _BSD_OFF_T_ off_t; /* file offset */ 72typedef _BSD_PID_T_ pid_t; /* process id */ 73typedef int32_t segsz_t; /* segment size */ 74typedef int32_t swblk_t; /* swap offset */ 75typedef u_int32_t uid_t; /* user id */ 76 77typedef quad_t rlim_t; /* resource limits */ 78 79#ifdef KERNEL 80typedef int boolean_t; 81typedef struct vm_page *vm_page_t; 82#endif 83 84/* 85 * This belongs in unistd.h, but is placed here to ensure that programs 86 * casting the second parameter of lseek to off_t will get the correct 87 * version of lseek. 88 */ 89#ifndef KERNEL 90#include <sys/cdefs.h> 91__BEGIN_DECLS 92off_t lseek __P((int, off_t, int)); 93__END_DECLS 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_SIZE_T_ 115typedef _BSD_SIZE_T_ size_t; 116#undef _BSD_SIZE_T_ 117#endif 118 119#ifdef _BSD_SSIZE_T_ 120typedef _BSD_SSIZE_T_ ssize_t; 121#undef _BSD_SSIZE_T_ 122#endif 123 124#ifdef _BSD_TIME_T_ 125typedef _BSD_TIME_T_ time_t; 126#undef _BSD_TIME_T_ 127#endif 128 129#ifndef _POSIX_SOURCE 130#define NBBY 8 /* number of bits in a byte */ 131 132/* 133 * Select uses bit masks of file descriptors in longs. These macros 134 * manipulate such bit fields (the filesystem macros use chars). 135 * FD_SETSIZE may be defined by the user, but the default here should 136 * be enough for most uses. 137 */ 138#ifndef FD_SETSIZE 139#define FD_SETSIZE 1024 140#endif 141 142typedef long fd_mask; 143#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */ 144 145#ifndef howmany 146#define howmany(x, y) (((x) + ((y) - 1)) / (y)) 147#endif 148 149typedef struct fd_set { 150 fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)]; 151} fd_set; 152 153#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS))) 154#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS))) 155#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS))) 156#define FD_COPY(f, t) bcopy(f, t, sizeof(*(f))) 157#define FD_ZERO(p) bzero(p, sizeof(*(p))) 158 159#if defined(__STDC__) && defined(KERNEL) 160/* 161 * Forward structure declarations for function prototypes. We include the 162 * common structures that cross subsystem boundaries here; others are mostly 163 * used in the same place that the structure is defined. 164 */ 165struct proc; 166struct pgrp; 167struct ucred; 168struct rusage; 169struct file; 170struct buf; 171struct tty; 172struct uio; 173#endif 174 175#endif /* !_POSIX_SOURCE */ 176#endif /* !_SYS_TYPES_H_ */ 177