types.h revision 55205
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 55205 1999-12-29 04:46:21Z peter $ 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 __const char * c_caddr_t; /* core address, pointer to const */ 71typedef __volatile char *v_caddr_t; /* core address, pointer to volatile */ 72typedef int32_t daddr_t; /* disk address */ 73typedef u_int32_t u_daddr_t; /* unsigned disk address */ 74typedef u_int32_t fixpt_t; /* fixed point number */ 75typedef u_int32_t gid_t; /* group id */ 76typedef u_int32_t ino_t; /* inode number */ 77typedef long key_t; /* IPC key (for Sys V IPC) */ 78typedef u_int16_t mode_t; /* permissions */ 79typedef u_int16_t nlink_t; /* link count */ 80typedef _BSD_OFF_T_ off_t; /* file offset */ 81typedef _BSD_PID_T_ pid_t; /* process id */ 82typedef quad_t rlim_t; /* resource limit */ 83#ifdef __alpha__ /* XXX should be in <machine/types.h> */ 84typedef int64_t segsz_t; /* segment size */ 85#else 86typedef int32_t segsz_t; /* segment size */ 87#endif 88typedef int32_t swblk_t; /* swap offset */ 89typedef int32_t ufs_daddr_t; 90typedef u_int32_t uid_t; /* user id */ 91 92#ifdef _KERNEL 93typedef int boolean_t; 94typedef u_int64_t uoff_t; 95typedef struct vm_page *vm_page_t; 96#endif 97 98#ifdef _KERNEL 99 100struct specinfo; 101 102typedef u_int32_t udev_t; /* device number */ 103typedef struct specinfo *dev_t; 104 105#else /* !_KERNEL */ 106 107typedef u_int32_t dev_t; /* device number */ 108#define udev_t dev_t 109 110#ifndef _POSIX_SOURCE 111 112/* 113 * minor() gives a cookie instead of an index since we don't want to 114 * change the meanings of bits 0-15 or waste time and space shifting 115 * bits 16-31 for devices that don't use them. 116 */ 117#define major(x) ((int)(((u_int)(x) >> 8)&0xff)) /* major number */ 118#define minor(x) ((int)((x)&0xffff00ff)) /* minor number */ 119#define makedev(x,y) ((dev_t)(((x) << 8) | (y))) /* create dev_t */ 120 121#endif /* _POSIX_SOURCE */ 122 123#endif /* !_KERNEL */ 124 125#include <machine/endian.h> 126 127#ifdef _BSD_CLOCK_T_ 128typedef _BSD_CLOCK_T_ clock_t; 129#undef _BSD_CLOCK_T_ 130#endif 131 132#ifdef _BSD_CLOCKID_T_ 133typedef _BSD_CLOCKID_T_ clockid_t; 134#undef _BSD_CLOCKID_T_ 135#endif 136 137#ifdef _BSD_SIZE_T_ 138typedef _BSD_SIZE_T_ size_t; 139#undef _BSD_SIZE_T_ 140#endif 141 142#ifdef _BSD_SSIZE_T_ 143typedef _BSD_SSIZE_T_ ssize_t; 144#undef _BSD_SSIZE_T_ 145#endif 146 147#ifdef _BSD_TIME_T_ 148typedef _BSD_TIME_T_ time_t; 149#undef _BSD_TIME_T_ 150#endif 151 152#ifdef _BSD_TIMER_T_ 153typedef _BSD_TIMER_T_ timer_t; 154#undef _BSD_TIMER_T_ 155#endif 156 157#ifndef _POSIX_SOURCE 158#define NBBY 8 /* number of bits in a byte */ 159 160/* 161 * Select uses bit masks of file descriptors in longs. These macros 162 * manipulate such bit fields (the filesystem macros use chars). 163 * FD_SETSIZE may be defined by the user, but the default here should 164 * be enough for most uses. 165 */ 166#ifndef FD_SETSIZE 167#define FD_SETSIZE 1024 168#endif 169 170typedef long fd_mask; 171#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */ 172 173#ifndef howmany 174#define howmany(x, y) (((x) + ((y) - 1)) / (y)) 175#endif 176 177typedef struct fd_set { 178 fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)]; 179} fd_set; 180 181#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS))) 182#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS))) 183#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS))) 184#define FD_COPY(f, t) bcopy(f, t, sizeof(*(f))) 185#define FD_ZERO(p) bzero(p, sizeof(*(p))) 186 187/* 188 * These declarations belong elsewhere, but are repeated here and in 189 * <stdio.h> to give broken programs a better chance of working with 190 * 64-bit off_t's. 191 */ 192#ifndef _KERNEL 193__BEGIN_DECLS 194#ifndef _FTRUNCATE_DECLARED 195#define _FTRUNCATE_DECLARED 196int ftruncate __P((int, off_t)); 197#endif 198#ifndef _LSEEK_DECLARED 199#define _LSEEK_DECLARED 200off_t lseek __P((int, off_t, int)); 201#endif 202#ifndef _MMAP_DECLARED 203#define _MMAP_DECLARED 204void * mmap __P((void *, size_t, int, int, int, off_t)); 205#endif 206#ifndef _TRUNCATE_DECLARED 207#define _TRUNCATE_DECLARED 208int truncate __P((const char *, off_t)); 209#endif 210__END_DECLS 211#endif /* !_KERNEL */ 212 213#endif /* !_POSIX_SOURCE */ 214 215#endif /* !_SYS_TYPES_H_ */ 216