1 /*
2 * Mach Operating System
3 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
4 * All Rights Reserved.
5 *
6 * Permission to use, copy, modify and distribute this software and its
7 * documentation is hereby granted, provided that both the copyright
8 * notice and this permission notice appear in all copies of the
9 * software, derivative works or modified versions, and any portions
10 * thereof, and that both notices appear in supporting documentation.
11 *
12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
15 *
16 * Carnegie Mellon requests users of this software to return to
17 *
18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
19 * School of Computer Science
20 * Carnegie Mellon University
21 * Pittsburgh PA 15213-3890
22 *
23 * any improvements or extensions that they make and grant Carnegie Mellon
24 * the rights to redistribute these changes.
25 */
26 /*
27 * HISTORY
28 * $Log: thread_special_ports.h,v $
29 * Revision 2.6 93/01/14 17:48:03 danner
30 * Cleanup.
31 * [92/06/10 pds]
32 *
33 * Revision 2.5 92/01/15 13:44:57 rpd
34 * Changed MACH_IPC_COMPAT conditionals to default to not present.
35 *
36 * Revision 2.4 91/05/14 17:01:15 mrt
37 * Correcting copyright
38 *
39 * Revision 2.3 91/02/05 17:36:38 mrt
40 * Changed to new Mach copyright
41 * [91/02/01 17:21:48 mrt]
42 *
43 * Revision 2.2 90/06/02 15:00:15 rpd
44 * Converted to new IPC.
45 * [90/03/26 22:41:20 rpd]
46 *
47 * Revision 2.1 89/08/03 16:06:13 rwd
48 * Created.
49 *
50 * Revision 2.3 89/02/25 18:41:23 gm0w
51 * Changes for cleanup.
52 *
53 * 17-Jan-88 David Golub (dbg) at Carnegie-Mellon University
54 * Created.
55 *
56 */
57 /*
58 * File: mach/thread_special_ports.h
59 *
60 * Defines codes for special_purpose thread ports. These are NOT
61 * port identifiers - they are only used for the thread_get_special_port
62 * and thread_set_special_port routines.
63 *
64 */
65
66 #ifndef _MACH_THREAD_SPECIAL_PORTS_H_
67 #define _MACH_THREAD_SPECIAL_PORTS_H_
68
69 #ifdef KERNEL
70 #include <mach_ipc_compat.h>
71 #endif /* KERNEL */
72
73 #define THREAD_KERNEL_PORT 1 /* Represents the thread to the outside
74 world.*/
75 #define THREAD_EXCEPTION_PORT 3 /* Exception messages for the thread
76 are sent to this port. */
77
78 /*
79 * Definitions for ease of use
80 */
81
82 #define thread_get_kernel_port(thread, port) \
83 (thread_get_special_port((thread), THREAD_KERNEL_PORT, (port)))
84
85 #define thread_set_kernel_port(thread, port) \
86 (thread_set_special_port((thread), THREAD_KERNEL_PORT, (port)))
87
88 #define thread_get_exception_port(thread, port) \
89 (thread_get_special_port((thread), THREAD_EXCEPTION_PORT, (port)))
90
91 #define thread_set_exception_port(thread, port) \
92 (thread_set_special_port((thread), THREAD_EXCEPTION_PORT, (port)))
93
94
95 /* Definitions for the old IPC interface. */
96
97 #if MACH_IPC_COMPAT
98
99 #define THREAD_REPLY_PORT 2 /* Default reply port for the thread's
100 use. */
101
102 #define thread_get_reply_port(thread, port) \
103 (thread_get_special_port((thread), THREAD_REPLY_PORT, (port)))
104
105 #define thread_set_reply_port(thread, port) \
106 (thread_set_special_port((thread), THREAD_REPLY_PORT, (port)))
107
108 #endif /* MACH_IPC_COMPAT */
109
110 #endif /* _MACH_THREAD_SPECIAL_PORTS_H_ */
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