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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
11 *
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22/*
23 * @OSF_COPYRIGHT@
24 */
25/*
26 * HISTORY
27 *
28 * Revision 1.1.1.1 1998/09/22 21:05:34 wsanchez
29 * Import of Mac OS X kernel (~semeria)
30 *
31 * Revision 1.1.1.1 1998/03/07 02:25:55 wsanchez
32 * Import of OSF Mach kernel (~mburg)
33 *
34 * Revision 1.1.5.1 1994/09/23 02:20:11 ezf
35 * change marker to not FREE
36 * [1994/09/22 21:33:42 ezf]
37 *
38 * Revision 1.1.3.1 1994/01/20 11:05:50 emcmanus
39 * Copied for submission.
40 * [1994/01/20 11:04:35 emcmanus]
41 *
42 * Revision 1.1.1.2 1994/01/13 02:41:12 condict
43 * Declarations for kern/ipc_subsystem.c
44 *
45 * $EndLog$
46 */
47
48#ifndef _KERN_IPC_SUBSYSTEM_H_
49#define _KERN_IPC_SUBSYSTEM_H_
50
51#include <mach/boolean.h>
52#include <mach/port.h>
53#include <kern/subsystem.h>
54#include <ipc/ipc_port.h>
55#include <ipc/ipc_object.h>
56
57
58/* Initialize a subsystem's IPC state */
59extern void ipc_subsystem_init(
60 subsystem_t subsystem);
61
62/* Enable a subsystem for IPC access */
63extern void ipc_subsystem_enable(
64 subsystem_t subsystem);
65
66/* Disable IPC access to a subsystem */
67extern void ipc_subsystem_disable(
68 subsystem_t subsystem);
69
70/* Clean up and destroy a subsystem's IPC state */
71extern void ipc_subsystem_terminate(
72 subsystem_t subsystem);
73
74/* Convert from a port to a subsystem */
75extern subsystem_t convert_port_to_subsystem(
76 ipc_port_t port);
77
78/* Convert from a subsystem to a port */
79extern ipc_port_t convert_subsystem_to_port(
80 subsystem_t subsystem);
81
82#endif /* _KERN_IPC_SUBSYSTEM_H_ */