Source to osfmk/kern/ipc_tt.h


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/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @[email protected]
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This 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 OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @[email protected]
 */
/*
 * @[email protected]
 */
/* 
 * Mach Operating System
 * Copyright (c) 1991,1990,1989,1988,1987 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  [email protected]
 *  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_IPC_TT_H_
#define _KERN_IPC_TT_H_

#include <mach/boolean.h>
#include <mach/port.h>
#include <vm/vm_kern.h>
#include <kern/kern_types.h>
#include <kern/ipc_kobject.h>
#include <ipc/ipc_space.h>
#include <ipc/ipc_table.h>
#include <ipc/ipc_port.h>
#include <ipc/ipc_right.h>
#include <ipc/ipc_entry.h>
#include <ipc/ipc_object.h>


/* Initialize a task's IPC state */
extern void ipc_task_init(
	task_t		task,
	task_t		parent);

/* Enable a task for IPC access */
extern void ipc_task_enable(
	task_t		task);

/* Disable IPC access to a task */
extern void ipc_task_disable(
	task_t		task);

/* Clean up and destroy a task's IPC state */
extern void ipc_task_terminate(
	task_t		task);

/* Initialize a thread's IPC state */
extern void ipc_thread_init(
	thread_t	thread);

/* Clean up and destroy a thread's IPC state */
extern void ipc_thread_terminate(
	thread_t	thread);

/* Return a send right for the task's user-visible self port */
extern ipc_port_t retrieve_task_self_fast(
	task_t		task);

/* Return a send right for the thread's user-visible self port */
extern ipc_port_t retrieve_act_self_fast(
	thread_act_t);

/* Convert from a port to a task */
extern task_t convert_port_to_task(
	ipc_port_t	port);

/* Convert from a port entry port to a task */
extern task_t convert_port_to_task(
	ipc_port_t	port);

extern boolean_t ref_task_port_locked(
	ipc_port_t port, task_t *ptask);

/* Convert from a port to a space */
extern ipc_space_t convert_port_to_space(
	ipc_port_t	port);

extern boolean_t ref_space_port_locked(
	ipc_port_t port, ipc_space_t *pspace);

/* Convert from a port to a map */
extern vm_map_t convert_port_to_map(
	ipc_port_t	port);

/* Convert from a map entry port to a map */
extern vm_map_t convert_port_entry_to_map(
	ipc_port_t	port);

/* Convert from a port to a vm_object */
extern vm_object_t convert_port_entry_to_object(
	ipc_port_t	port);

/* Convert from a port to a upl_object */
extern upl_t convert_port_to_upl(
	ipc_port_t	port);

/* Convert from a port to a thread */
extern thread_act_t convert_port_to_act(
	ipc_port_t);

extern boolean_t ref_act_port_locked(
	ipc_port_t port, thread_act_t *pthr_act);

/* Convert from a task to a port */
extern ipc_port_t convert_task_to_port(
	task_t		task);

/* Convert from a thread to a port */
extern ipc_port_t convert_act_to_port( thread_act_t );

/* Deallocate a space ref produced by convert_port_to_space */
extern void space_deallocate(
	ipc_space_t	space);

/* Allocate a reply port */
extern mach_port_name_t mach_reply_port(void);

/* Initialize a thread_act's ipc mechanism */
extern void ipc_thr_act_init(task_t, thread_act_t);

/* Disable IPC access to a thread_act */
extern void ipc_thr_act_disable(thread_act_t);
extern void ipc_thr_act_disable_act_locked(thread_act_t);

/* Clean up and destroy a thread_act's IPC state */
extern void ipc_thr_act_terminate(thread_act_t);

#endif	/* _KERN_IPC_TT_H_ */