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/*
* Mach Operating System
* Copyright (c) 1992 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
* the rights to redistribute these changes.
*/
#ifndef _KERN_KERN_TYPES_H_
#define _KERN_KERN_TYPES_H_
#include <mach/port.h> /* for mach_port_t */
/*
* Common kernel type declarations.
* These are handles to opaque data structures defined elsewhere.
*
* These types are recursively included in each other`s definitions.
* This file exists to export the common declarations to each
* of the definitions, and to other files that need only the
* type declarations.
*/
/*
* Task structure, from kern/task.h
*/
typedef struct task * task_t;
#define TASK_NULL ((task_t) 0)
typedef mach_port_t * task_array_t; /* should be task_t * */
/*
* Thread structure, from kern/thread.h
*/
typedef struct thread * thread_t;
#define THREAD_NULL ((thread_t) 0)
typedef mach_port_t * thread_array_t; /* should be thread_t * */
/*
* Processor structure, from kern/processor.h
*/
typedef struct processor * processor_t;
#define PROCESSOR_NULL ((processor_t) 0)
/*
* Processor set structure, from kern/processor.h
*/
typedef struct processor_set * processor_set_t;
#define PROCESSOR_SET_NULL ((processor_set_t) 0)
#endif /* _KERN_KERN_TYPES_H_ */
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