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types.h
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1993-09-05
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/*-
* Copyright (c) 1982, 1986, 1991 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)types.h 7.17 (Berkeley) 5/6/91
*/
#ifndef _TYPES_H_
#define _TYPES_H_
typedef unsigned char u_char;
typedef unsigned short u_short;
typedef unsigned int u_int;
typedef unsigned long u_long;
typedef unsigned short ushort; /* Sys V compatibility */
typedef char * caddr_t; /* core address */
typedef long daddr_t; /* disk address */
typedef short dev_t; /* device number */
typedef u_long ino_t; /* inode number */
typedef long off_t; /* file offset (should be a quad) */
typedef u_short nlink_t; /* link count */
typedef long swblk_t; /* swap offset */
typedef long segsz_t; /* segment size */
typedef u_short uid_t; /* user id */
typedef u_short gid_t; /* group id */
typedef int pid_t; /* process id */
typedef u_short mode_t; /* permissions */
typedef u_long fixpt_t; /* fixed point number */
#ifndef _POSIX_SOURCE
typedef struct _uquad { u_long val[2]; } u_quad;
typedef struct _quad { long val[2]; } quad;
typedef long * qaddr_t; /* should be typedef quad * qaddr_t; */
#define major(x) ((int)(((u_int)(x) >> 8)&0xff)) /* major number */
#define minor(x) ((int)((x)&0xff)) /* minor number */
#define makedev(x,y) ((dev_t)(((x)<<8) | (y))) /* create dev_t */
#endif
#include <machine/ansi.h>
#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
#include <machine/types.h>
#endif
#ifdef _CLOCK_T_
typedef _CLOCK_T_ clock_t;
#undef _CLOCK_T_
#endif
#ifdef _SIZE_T_
typedef _SIZE_T_ size_t;
#undef _SIZE_T_
#endif
#ifdef _TIME_T_
typedef _TIME_T_ time_t;
#undef _TIME_T_
#endif
#ifndef _POSIX_SOURCE
#define NBBY 8 /* number of bits in a byte */
/*
* Select uses bit masks of file descriptors in longs. These macros
* manipulate such bit fields (the filesystem macros use chars).
* FD_SETSIZE may be defined by the user, but the default here should
* be enough for most uses.
*/
#ifndef FD_SETSIZE
#define FD_SETSIZE 256
#endif
typedef long fd_mask;
#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */
#ifndef howmany
#define howmany(x, y) (((x)+((y)-1))/(y))
#endif
typedef struct fd_set {
fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)];
} fd_set;
#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
#define FD_ZERO(p) bzero((char *)(p), sizeof(*(p)))
#if defined(__STDC__) && defined(KERNEL)
/*
* Forward structure declarations for function prototypes.
* We include the common structures that cross subsystem boundaries here;
* others are mostly used in the same place that the structure is defined.
*/
struct proc;
struct pgrp;
struct ucred;
struct rusage;
struct file;
struct buf;
struct tty;
struct uio;
#endif
#endif /* !_POSIX_SOURCE */
#endif /* !_TYPES_H_ */