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types.h

/*-
 * Copyright (c) 1982, 1986, 1991, 1993
 *    The Regents of the University of California.  All rights reserved.
 * (c) UNIX System Laboratories, Inc.
 * All or some portions of this file are derived from material licensed
 * to the University of California by American Telephone and Telegraph
 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
 * the permission of UNIX System Laboratories, Inc.
 *
 * 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 8.4 (Berkeley) 1/21/94
 * $Id: types.h,v 1.1 2001/07/23 05:20:01 bdale Exp $
 */

#ifndef _SYS_TYPES_H_
#define     _SYS_TYPES_H_

#include <sys/cdefs.h>

/* Machine type dependent parameters. */
#include <machine/endian.h>

#ifndef _POSIX_SOURCE
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     unsigned int      uint;       /* Sys V compatibility */
#endif

typedef     unsigned long long u_quad_t;  /* quads */
typedef     long long   quad_t;
typedef     quad_t *    qaddr_t;

typedef     char *            caddr_t;    /* core address */
typedef     long        daddr_t;    /* disk address */
typedef     unsigned long     dev_t;            /* device number */
typedef unsigned long   fixpt_t;    /* fixed point number */
typedef     unsigned long     gid_t;            /* group id */
typedef     unsigned long     ino_t;            /* inode number */
typedef     unsigned short    mode_t;           /* permissions */
typedef     unsigned short    nlink_t;    /* link count */
typedef     quad_t            off_t;            /* file offset */
typedef     long        pid_t;            /* process id */
typedef     long        segsz_t;    /* segment size */
typedef     long        swblk_t;    /* swap offset */
typedef     unsigned long     uid_t;            /* user id */

/*
 * This belongs in unistd.h, but is placed here to ensure that programs
 * casting the second parameter of lseek to off_t will get the correct
 * version of lseek.
 */
#ifndef KERNEL
__BEGIN_DECLS
off_t  lseek __P((int, off_t, int));
__END_DECLS
#endif

#ifndef _POSIX_SOURCE
/*
 * minor() gives a cookie instead of an index since we don't want to
 * change the meanings of bits 0-15 or waste time and space shifting
 * bits 16-31 for devices that don't use them.
 */
#define     major(x)    ((int)(((u_int)(x) >> 8)&0xff))     /* major number */
#define     minor(x)    ((int)((x)&0xffff00ff))       /* minor number */
#define     makedev(x,y)      ((dev_t)(((x)<<8) | (y)))     /* create dev_t */
#endif

#include <machine/ansi.h>
#include <machine/types.h>

#ifdef      _BSD_CLOCK_T_
typedef     _BSD_CLOCK_T_     clock_t;
#undef      _BSD_CLOCK_T_
#endif

#ifdef      _BSD_SIZE_T_
typedef     _BSD_SIZE_T_      size_t;
#undef      _BSD_SIZE_T_
#endif

#ifdef      _BSD_SSIZE_T_
typedef     _BSD_SSIZE_T_     ssize_t;
#undef      _BSD_SSIZE_T_
#endif

#ifdef      _BSD_TIME_T_
typedef     _BSD_TIME_T_      time_t;
#undef      _BSD_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_COPY(f, t)     bcopy(f, t, sizeof(*(f)))
#define     FD_ZERO(p)  bzero(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 /* !_SYS_TYPES_H_ */

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