xnu-6153.101.6.tar.gz

[apple/xnu.git] / osfmk / mach / task_special_ports.h

/*
 * Copyright (c) 2000-2010 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_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,
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 * Please see the License for the specific language governing rights and
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 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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/*
 * @OSF_COPYRIGHT@
 */
/*
 * 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  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.
 */
/*
 */
/*
 *	File:	mach/task_special_ports.h
 *
 *	Defines codes for special_purpose task ports.  These are NOT
 *	port identifiers - they are only used for the task_get_special_port
 *	and task_set_special_port routines.
 *
 */

#ifndef _MACH_TASK_SPECIAL_PORTS_H_
#define _MACH_TASK_SPECIAL_PORTS_H_

typedef int     task_special_port_t;

#define TASK_KERNEL_PORT        1       /* Represents task to the outside
	                                 *  world.*/

#define TASK_HOST_PORT          2       /* The host (priv) port for task.  */

#define TASK_NAME_PORT          3       /* the name (unpriv) port for task */

#define TASK_BOOTSTRAP_PORT     4       /* Bootstrap environment for task. */

/*
 * Evolving and likely to change.
 */

#define TASK_SEATBELT_PORT      7       /* Seatbelt compiler/DEM port for task. */

/* PORT 8 was the GSSD TASK PORT which transformed to a host port */

#define TASK_ACCESS_PORT        9       /* Permission check for task_for_pid. */

#define TASK_DEBUG_CONTROL_PORT 10      /* debug control port */

#define TASK_RESOURCE_NOTIFY_PORT   11  /* overrides host special RN port */

#define TASK_MAX_SPECIAL_PORT TASK_RESOURCE_NOTIFY_PORT

/*
 *	Definitions for ease of use
 */

#define task_get_kernel_port(task, port)        \
	        (task_get_special_port((task), TASK_KERNEL_PORT, (port)))

#define task_set_kernel_port(task, port)        \
	        (task_set_special_port((task), TASK_KERNEL_PORT, (port)))

#define task_get_host_port(task, port)          \
	        (task_get_special_port((task), TASK_HOST_PORT, (port)))

#define task_set_host_port(task, port)  \
	        (task_set_special_port((task), TASK_HOST_PORT, (port)))

#define task_get_bootstrap_port(task, port)     \
	        (task_get_special_port((task), TASK_BOOTSTRAP_PORT, (port)))

#define task_get_debug_control_port(task, port) \
	        (task_get_special_port((task), TASK_DEBUG_CONTROL_PORT, (port)))

#define task_set_bootstrap_port(task, port)     \
	        (task_set_special_port((task), TASK_BOOTSTRAP_PORT, (port)))

#define task_get_task_access_port(task, port)   \
	        (task_get_special_port((task), TASK_ACCESS_PORT, (port)))

#define task_set_task_access_port(task, port)   \
	        (task_set_special_port((task), TASK_ACCESS_PORT, (port)))

#define task_set_task_debug_control_port(task, port) \
	        (task_set_special_port((task), TASK_DEBUG_CONTROL_PORT, (port)))

#ifdef XNU_KERNEL_PRIVATE
#define DEBUG_PORT_ENTITLEMENT "com.apple.private.debug_port"
#endif /* XNU_KERNEL_PRIVATE */

#endif  /* _MACH_TASK_SPECIAL_PORTS_H_ */