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/*
* Mach Operating System
* Copyright (c) 1987 Carnegie-Mellon University
* All rights reserved. The CMU software License Agreement specifies
* the terms and conditions for use and redistribution.
*/
/*
* HISTORY
* 7-Jan-93 Mac Gillon (mgillon) at NeXT
* Integrated POSIX support
*
* 27-Sep-89 Morris Meyer (mmeyer) at NeXT
* NFS 4.0 Changes: make uid_t and gid_t signed
*
* 02-Mar-87 Mike Accetta (mja) at Carnegie-Mellon University
* CS_BUGFIX: Restored previous unsigned fixes for _quad and
* off_t types by Bill Bolosky although this time under a
* different conditional and only under -DKERNEL so that, sigh,
* user programs which import the file but don't use the type
* consistently won't break. Of course, lseek takes an off_t as
* its second paramter which can be legitimately signed. This
* whole thing is a hack and I suspect that eventually someone is
* going to have to end up rewriting some kernel code.
* [ V5.1(F4) ]
*
* 24-Oct-86 Jonathan J. Chew (jjc) at Carnegie-Mellon University
* Added 68000 dependent definition of "label_t" and "physadr".
* Conditionalized on whether __ASSEMBLER__ is undefined.
*
* 7-Oct-86 David L. Black (dlb) at Carnegie-Mellon University
* Merged Multimax changes.
*
* 24-Sep-86 Michael Young (mwyoung) at Carnegie-Mellon University
* Moved boolean declaration to its own file.
*
* 23-Aug-86 Michael Young (mwyoung) at Carnegie-Mellon University
* Renamed "machtypes.h" to "types.h".
*
* 16-Jul-86 Bill Bolosky (bolosky) at Carnegie-Mellon University
* CS_GENERIC: changed type quad from longs to u_longs,
* and off_t from int to u_long.
*
* 19-Feb-86 Bill Bolosky (bolosky) at Carnegie-Mellon University
* romp: Added alternate definitions of label_t and physaddr.
*
* 25-Jan-86 Avadis Tevanian (avie) at Carnegie-Mellon University
* Upgraded to 4.3.
*
* 15-Jun-85 Avadis Tevanian (avie) at Carnegie-Mellon University
* Allow for nested calls of types.h.
*/
#ifndef _TYPES_
#define _TYPES_
/*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
* @(#)types.h 7.1 (Berkeley) 6/4/86
*/
#ifndef __ASSEMBLER__
/* Machine type dependent parameters. */
#include <machine/endian.h>
#if !defined(KERNEL) && defined(_POSIX_SOURCE)
#include <standards.h>
#endif
#ifdef _NEXT_SOURCE
/*
* Basic system types and major/minor device
* constructing/busting macros.
*/
/* major part of a device */
#define major(x) ((int)(((unsigned)(x)>>8)&0377))
/* minor part of a device */
#define minor(x) ((int)((x)&0377))
/* make a device number */
#define makedev(x,y) ((dev_t)(((x)<<8) | (y)))
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 III compat */
#import <bsd/machine/label_t.h>
#ifdef KERNEL
typedef struct _quad { u_long val[2]; } quad;
#else KERNEL
typedef struct _quad { long val[2]; } quad;
#endif KERNEL
typedef long daddr_t;
typedef char * caddr_t;
#ifndef _TIME_T
#define _TIME_T
typedef long time_t;
#endif /* _TIME_T */
#endif /* _NEXT_SOURCE */
#if defined(_POSIX_SOURCE) || defined(_NEXT_SOURCE)
#ifndef _SIZE_T
#define _SIZE_T
#ifdef __STRICT_BSD__
typedef long size_t;
#else
typedef unsigned long size_t;
#endif /* __STRICT_BSD__ */
#endif /* _SIZE_T */
typedef short dev_t;
typedef short gid_t;
typedef short uid_t;
#ifdef _NEXT_SOURCE
typedef u_long ino_t;
#else
typedef unsigned long ino_t;
#endif
#endif /* _POSIX_SOURCE || _NEXT_SOURCE */
#ifdef KERNEL
typedef u_long off_t;
#else
typedef long off_t;
#endif /* KERNEL */
#if defined(_POSIX_SOURCE)
typedef int ssize_t;
typedef int pid_t;
typedef unsigned short mode_t;
typedef short nlink_t;
#endif /* _POSIX_SOURCE */
#ifdef _NEXT_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 >= NOFILE (param.h).
*/
#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)))
#endif /* _NEXT_SOURCE */
#include <machine/types.h>
#endif /* __ASSEMBLER__ */
#endif /* _TYPES_ */
The form daddr_t is used for disk addresses except in an i-node on disk, see fs.5 Times are encoded in seconds since 00:00:00 GMT, January 1, 1970. The major and minor parts of a device code specify kind and unit number of a device and are installation-dependent. Offsets are measured in bytes from the beginning of a file. The label_t variables are used to save the processor state while another process is running.
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Created by unroff & hp-tools. © somebody (See intro for details). All Rights Reserved. Last modified 11/5/97