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/*
* 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
* the rights to redistribute these changes.
*/
#ifndef _DDB_DB_TASK_THREAD_H_
#define _DDB_DB_TASK_THREAD_H_
#include <kern/task.h>
#include <kern/thread.h>
#define db_current_task() \
((current_thread())? current_thread()->task: TASK_NULL)
#define db_target_space(thread, user_space) \
((!(user_space))? TASK_NULL: \
(thread)? (thread)->task: db_current_task())
#define db_is_current_task(task) \
((task) == TASK_NULL || (task) == db_current_task())
extern task_t db_default_task; /* default target task */
extern thread_t db_default_thread; /* default target thread */
extern int db_lookup_task(/* task_t */);
extern int db_lookup_thread(/* thread_t */);
extern int db_lookup_task_thread(/* task_t, thread_t */);
extern boolean_t db_check_thread_address_valid(/* db_expr_t */);
extern boolean_t db_get_next_thread(/* thread_t *, int */);
extern void db_init_default_thread();
#endif _DDB_DB_TASK_THREAD_H_
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