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	1	/*
	2	* Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
	25	*
	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	27	*/
	28	/*
	29	* @OSF_COPYRIGHT@
	30	*/
	31	/*
	32	* Mach Operating System
	33	* Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
	34	* All Rights Reserved.
	35	*
	36	* Permission to use, copy, modify and distribute this software and its
	37	* documentation is hereby granted, provided that both the copyright
	38	* notice and this permission notice appear in all copies of the
	39	* software, derivative works or modified versions, and any portions
	40	* thereof, and that both notices appear in supporting documentation.
	41	*
	42	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
	43	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
	44	* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	45	*
	46	* Carnegie Mellon requests users of this software to return to
	47	*
	48	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
	49	* School of Computer Science
	50	* Carnegie Mellon University
	51	* Pittsburgh PA 15213-3890
	52	*
	53	* any improvements or extensions that they make and grant Carnegie Mellon
	54	* the rights to redistribute these changes.
	55	*/
	56	/*
	57	*/
	58	/*
	59	* File: mach/notify.h
	60	*
	61	* Kernel notification message definitions.
	62	*/
	63
	64	#ifndef _MACH_NOTIFY_H_
	65	#define _MACH_NOTIFY_H_
	66
	67	#include <mach/port.h>
	68	#include <mach/message.h>
	69	#include <mach/ndr.h>
	70
	71	/*
	72	* An alternative specification of the notification interface
	73	* may be found in mach/notify.defs.
	74	*/
	75
	76	#define MACH_NOTIFY_FIRST 0100
	77	#define MACH_NOTIFY_PORT_DELETED (MACH_NOTIFY_FIRST + 001)
	78	/* A send or send-once right was deleted. */
	79	#define MACH_NOTIFY_SEND_POSSIBLE (MACH_NOTIFY_FIRST + 002)
	80	/* Now possible to send using specified right */
	81	#define MACH_NOTIFY_PORT_DESTROYED (MACH_NOTIFY_FIRST + 005)
	82	/* A receive right was (would have been) deallocated */
	83	#define MACH_NOTIFY_NO_SENDERS (MACH_NOTIFY_FIRST + 006)
	84	/* Receive right has no extant send rights */
	85	#define MACH_NOTIFY_SEND_ONCE (MACH_NOTIFY_FIRST + 007)
	86	/* An extant send-once right died */
	87	#define MACH_NOTIFY_DEAD_NAME (MACH_NOTIFY_FIRST + 010)
	88	/* Send or send-once right died, leaving a dead-name */
	89	#define MACH_NOTIFY_LAST (MACH_NOTIFY_FIRST + 015)
	90
	91	typedef mach_port_t notify_port_t;
	92
	93	/*
	94	* Hard-coded message structures for receiving Mach port notification
	95	* messages. However, they are not actual large enough to receive
	96	* the largest trailers current exported by Mach IPC (so they cannot
	97	* be used for space allocations in situations using these new larger
	98	* trailers). Instead, the MIG-generated server routines (and
	99	* related prototypes should be used).
	100	*/
	101	typedef struct {
	102	mach_msg_header_t not_header;
	103	NDR_record_t NDR;
	104	mach_port_name_t not_port;/* MACH_MSG_TYPE_PORT_NAME */
	105	mach_msg_format_0_trailer_t trailer;
	106	} mach_port_deleted_notification_t;
	107
	108	typedef struct {
	109	mach_msg_header_t not_header;
	110	NDR_record_t NDR;
	111	mach_port_name_t not_port;/* MACH_MSG_TYPE_PORT_NAME */
	112	mach_msg_format_0_trailer_t trailer;
	113	} mach_send_possible_notification_t;
	114
	115	typedef struct {
	116	mach_msg_header_t not_header;
	117	mach_msg_body_t not_body;
	118	mach_msg_port_descriptor_t not_port;/* MACH_MSG_TYPE_PORT_RECEIVE */
	119	mach_msg_format_0_trailer_t trailer;
	120	} mach_port_destroyed_notification_t;
	121
	122	typedef struct {
	123	mach_msg_header_t not_header;
	124	NDR_record_t NDR;
	125	mach_msg_type_number_t not_count;
	126	mach_msg_format_0_trailer_t trailer;
	127	} mach_no_senders_notification_t;
	128
	129	typedef struct {
	130	mach_msg_header_t not_header;
	131	mach_msg_format_0_trailer_t trailer;
	132	} mach_send_once_notification_t;
	133
	134	typedef struct {
	135	mach_msg_header_t not_header;
	136	NDR_record_t NDR;
	137	mach_port_name_t not_port;/* MACH_MSG_TYPE_PORT_NAME */
	138	mach_msg_format_0_trailer_t trailer;
	139	} mach_dead_name_notification_t;
	140
	141	#endif /* _MACH_NOTIFY_H_ */