xnu-792.13.8.tar.gz

[apple/xnu.git] / osfmk / sys / types.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code 
 * as defined in and that are subject to the Apple Public Source License 
 * Version 2.0 (the 'License'). You may not use this file except in 
 * compliance with the License.  The rights granted to you under the 
 * License may not be used to create, or enable the creation or 
 * redistribution of, unlawful or unlicensed copies of an Apple operating 
 * system, or to circumvent, violate, or enable the circumvention or 
 * violation of, any terms of an Apple operating system software license 
 * agreement.
 *
 * Please obtain a copy of the License at 
 * http://www.opensource.apple.com/apsl/ and read it before using this 
 * file.
 *
 * The Original Code and all software distributed under the License are 
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * Please see the License for the specific language governing rights and 
 * limitations under the License.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
 */
/*
 * @OSF_COPYRIGHT@
 */
/*
 * HISTORY
 * 
 * Revision 1.1.1.1  1998/09/22 21:05:48  wsanchez
 * Import of Mac OS X kernel (~semeria)
 *
 * Revision 1.1.1.1  1998/03/07 02:25:59  wsanchez
 * Import of OSF Mach kernel (~mburg)
 *
 * Revision 1.1.10.3  1996/01/09  19:23:12  devrcs
 * 	Change time_t typedef from "unsigned int" to "int" to
 * 	match the server and what it has historically been.
 * 	Added more shorthand definitions for unsigned typedefs.
 * 	Made conditional on ASSEMBLER not being defined.
 * 	[1995/12/01  20:39:08  jfraser]
 *
 * 	Merged '64-bit safe' changes from DEC alpha port.
 * 	[1995/11/21  18:10:35  jfraser]
 *
 * Revision 1.1.10.2  1995/01/06  19:57:26  devrcs
 * 	mk6 CR668 - 1.3b26 merge
 * 	add shorthand defs for unsigned typedefs
 * 	OSF alpha pal merge
 * 	paranoid bit masking, 64bit cleanup, add NBBY
 * 	[1994/10/14  03:43:58  dwm]
 * 
 * Revision 1.1.10.1  1994/09/23  03:13:36  ezf
 * 	change marker to not FREE
 * 	[1994/09/22  21:59:04  ezf]
 * 
 * Revision 1.1.3.2  1993/06/03  00:18:19  jeffc
 * 	Added to OSF/1 R1.3 from NMK15.0.
 * 	[1993/06/02  21:31:08  jeffc]
 * 
 * Revision 1.1  1992/09/30  02:37:03  robert
 * 	Initial revision
 * 
 * $EndLog$
 */
/* CMU_HIST */
/*
 * Revision 2.6  91/05/14  17:40:39  mrt
 * 	Correcting copyright
 * 
 * Revision 2.5  91/02/05  17:57:07  mrt
 * 	Changed to new Mach copyright
 * 	[91/02/01  17:49:41  mrt]
 * 
 * Revision 2.4  90/08/27  22:13:03  dbg
 * 	Created.
 * 	[90/07/16            dbg]
 * 
 */
/* CMU_ENDHIST */
/* 
 * Mach Operating System
 * Copyright (c) 1991,1990 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie Mellon rights
 * to redistribute these changes.
 */
/*
 */
#ifndef	_SYS_TYPES_H_
#define	_SYS_TYPES_H_

#ifndef	ASSEMBLER

/*
 * Common type definitions that lots of old files seem to want.
 */

typedef	unsigned char	u_char;		/* unsigned char */
typedef	unsigned short	u_short;	/* unsigned short */
typedef	unsigned int	u_int;		/* unsigned int */
typedef	unsigned long	u_long;		/* unsigned long */

typedef struct _quad_ {
	unsigned int	val[2];		/* 2 32-bit values make... */
} quad;					/* an 8-byte item */

typedef	char *		caddr_t;	/* address of a (signed) char */

typedef int		time_t;		/* a signed 32    */
typedef unsigned int	daddr_t;	/* an unsigned 32 */
#if 0 /* off_t should be 64-bit ! */
typedef	unsigned int	off_t;		/* another unsigned 32 */
#endif
typedef	unsigned short	dev_t;		/* another unsigned short */
#define	NODEV		((dev_t)-1)	/* and a null value for it */

#define	major(i)	(((i) >> 8) & 0xFF)
#define	minor(i)	((i) & 0xFF)
#define	makedev(i,j)	((((i) & 0xFF) << 8) | ((j) & 0xFF))

#define	NBBY		8

#ifndef	NULL
#define	NULL		((void *) 0)	/* the null pointer */
#endif

/*
 * Shorthand type definitions for unsigned storage classes
 */
typedef	unsigned char	uchar_t;
typedef	unsigned short	ushort_t;
typedef	unsigned int	uint_t;
typedef unsigned long	ulong_t;
typedef	volatile unsigned char	vuchar_t;
typedef	volatile unsigned short	vushort_t;
typedef	volatile unsigned int	vuint_t;
typedef volatile unsigned long	vulong_t;

/*
 * Shorthand type definitions for unsigned storage classes
 */
typedef	uchar_t		uchar;
typedef	ushort_t	ushort;
typedef	uint_t		uint;
typedef ulong_t		ulong;

#endif	/* !ASSEMBLER */

#endif	/* _SYS_TYPES_H_ */