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1.1 root 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 [email protected]
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: * File: mach/notify.h
28: *
29: * Kernel notification message definitions.
30: */
31:
32: #ifndef _MACH_NOTIFY_H_
33: #define _MACH_NOTIFY_H_
34:
35: #ifdef MACH_KERNEL
36: #include <mach_ipc_compat.h>
37: #endif /* MACH_KERNEL */
38:
39: #include <mach/port.h>
40: #include <mach/message.h>
41:
42: /*
43: * An alternative specification of the notification interface
44: * may be found in mach/notify.defs.
45: */
46:
47: #define MACH_NOTIFY_FIRST 0100
48: #define MACH_NOTIFY_PORT_DELETED (MACH_NOTIFY_FIRST + 001 )
49: /* A send or send-once right was deleted. */
50: #define MACH_NOTIFY_MSG_ACCEPTED (MACH_NOTIFY_FIRST + 002)
51: /* A MACH_SEND_NOTIFY msg was accepted */
52: #define MACH_NOTIFY_PORT_DESTROYED (MACH_NOTIFY_FIRST + 005)
53: /* A receive right was (would have been) deallocated */
54: #define MACH_NOTIFY_NO_SENDERS (MACH_NOTIFY_FIRST + 006)
55: /* Receive right has no extant send rights */
56: #define MACH_NOTIFY_SEND_ONCE (MACH_NOTIFY_FIRST + 007)
57: /* An extant send-once right died */
58: #define MACH_NOTIFY_DEAD_NAME (MACH_NOTIFY_FIRST + 010)
59: /* Send or send-once right died, leaving a dead-name */
60: #define MACH_NOTIFY_LAST (MACH_NOTIFY_FIRST + 015)
61:
62: typedef struct {
63: mach_msg_header_t not_header;
64: mach_msg_type_t not_type; /* MACH_MSG_TYPE_PORT_NAME */
65: mach_port_t not_port;
66: } mach_port_deleted_notification_t;
67:
68: typedef struct {
69: mach_msg_header_t not_header;
70: mach_msg_type_t not_type; /* MACH_MSG_TYPE_PORT_NAME */
71: mach_port_t not_port;
72: } mach_msg_accepted_notification_t;
73:
74: typedef struct {
75: mach_msg_header_t not_header;
76: mach_msg_type_t not_type; /* MACH_MSG_TYPE_PORT_RECEIVE */
77: mach_port_t not_port;
78: } mach_port_destroyed_notification_t;
79:
80: typedef struct {
81: mach_msg_header_t not_header;
82: mach_msg_type_t not_type; /* MACH_MSG_TYPE_INTEGER_32 */
83: unsigned int not_count;
84: } mach_no_senders_notification_t;
85:
86: typedef struct {
87: mach_msg_header_t not_header;
88: } mach_send_once_notification_t;
89:
90: typedef struct {
91: mach_msg_header_t not_header;
92: mach_msg_type_t not_type; /* MACH_MSG_TYPE_PORT_NAME */
93: mach_port_t not_port;
94: } mach_dead_name_notification_t;
95:
96:
97: /* Definitions for the old IPC interface. */
98:
99: #if MACH_IPC_COMPAT
100:
101: /*
102: * Notifications sent upon interesting system events.
103: */
104:
105: #define NOTIFY_FIRST 0100
106: #define NOTIFY_PORT_DELETED ( NOTIFY_FIRST + 001 )
107: #define NOTIFY_MSG_ACCEPTED ( NOTIFY_FIRST + 002 )
108: #define NOTIFY_OWNERSHIP_RIGHTS ( NOTIFY_FIRST + 003 )
109: #define NOTIFY_RECEIVE_RIGHTS ( NOTIFY_FIRST + 004 )
110: #define NOTIFY_PORT_DESTROYED ( NOTIFY_FIRST + 005 )
111: #define NOTIFY_NO_MORE_SENDERS ( NOTIFY_FIRST + 006 )
112: #define NOTIFY_LAST ( NOTIFY_FIRST + 015 )
113:
114: typedef struct {
115: msg_header_t notify_header;
116: msg_type_t notify_type;
117: port_t notify_port;
118: } notification_t;
119:
120: #endif /* MACH_IPC_COMPAT */
121:
122: #endif /* _MACH_NOTIFY_H_ */
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