usr/src/sys.386bsd/sys/types.h

/*-
 * 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 short   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_ */