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1.1 root 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: * Mach Operating System
27: * Copyright (c) 1991,1990,1989 Carnegie Mellon University
28: * All Rights Reserved.
29: *
30: * Permission to use, copy, modify and distribute this software and its
31: * documentation is hereby granted, provided that both the copyright
32: * notice and this permission notice appear in all copies of the
33: * software, derivative works or modified versions, and any portions
34: * thereof, and that both notices appear in supporting documentation.
35: *
36: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
37: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
38: * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
39: *
40: * Carnegie Mellon requests users of this software to return to
41: *
42: * Software Distribution Coordinator or [email protected]
43: * School of Computer Science
44: * Carnegie Mellon University
45: * Pittsburgh PA 15213-3890
46: *
47: * any improvements or extensions that they make and grant Carnegie Mellon
48: * the rights to redistribute these changes.
49: */
50: /*
51: */
52: /*
53: * File: ipc/ipc_pset.h
54: * Author: Rich Draves
55: * Date: 1989
56: *
57: * Definitions for port sets.
58: */
59:
60: #ifndef _IPC_IPC_PSET_H_
61: #define _IPC_IPC_PSET_H_
62:
63: #include <mach/port.h>
64: #include <mach/kern_return.h>
65: #include <kern/ipc_kobject.h>
66: #include <ipc/ipc_object.h>
67: #include <ipc/ipc_mqueue.h>
68: #include <kern/thread_pool.h>
69:
70: #include <mach_kdb.h>
71:
72: typedef struct ipc_pset {
73:
74: /*
75: * Initial sub-structure in common with all ipc_objects.
76: */
77: struct ipc_object ips_object;
78:
79: struct ipc_mqueue ips_messages;
80: struct ipc_pset *ips_pset_self; /* self (used from ipsm) */
81: } *ipc_pset_t;
82:
83: typedef struct ipc_pset_mqueue {
84: struct ipc_mqueue ipsm_messages;
85: struct ipc_pset *ipsm_pset;
86: } *ipc_pset_mqueue_t;
87:
88: #define ips_references ips_object.io_references
89: #define ips_local_name ips_object.io_receiver_name
90: #define ips_thread_pool ips_object.io_thread_pool
91:
92: #define IPS_NULL ((ipc_pset_t) IO_NULL)
93:
94: #define ips_active(pset) io_active(&(pset)->ips_object)
95: #define ips_lock(pset) io_lock(&(pset)->ips_object)
96: #define ips_lock_try(pset) io_lock_try(&(pset)->ips_object)
97: #define ips_unlock(pset) io_unlock(&(pset)->ips_object)
98: #define ips_check_unlock(pset) io_check_unlock(&(pset)->ips_object)
99: #define ips_reference(pset) io_reference(&(pset)->ips_object)
100: #define ips_release(pset) io_release(&(pset)->ips_object)
101:
102: /* Allocate a port set */
103: extern kern_return_t ipc_pset_alloc(
104: ipc_space_t space,
105: mach_port_name_t *namep,
106: ipc_pset_t *psetp);
107:
108: /* Allocate a port set, with a specific name */
109: extern kern_return_t ipc_pset_alloc_name(
110: ipc_space_t space,
111: mach_port_name_t name,
112: ipc_pset_t *psetp);
113:
114: /* Add a port to a port set */
115: extern kern_return_t ipc_pset_add(
116: ipc_pset_t pset,
117: ipc_port_t port);
118:
119: /* Remove a port from a port set */
120: extern kern_return_t ipc_pset_remove(
121: ipc_pset_t pset,
122: ipc_port_t port);
123:
124: /* Remove a port from all its current port sets */
125: extern kern_return_t ipc_pset_remove_all(
126: ipc_port_t port);
127:
128: /* Destroy a port_set */
129: extern void ipc_pset_destroy(
130: ipc_pset_t pset);
131:
132: #define ipc_pset_reference(pset) \
133: ipc_object_reference(&(pset)->ips_object)
134:
135: #define ipc_pset_release(pset) \
136: ipc_object_release(&(pset)->ips_object)
137:
138:
139: #if MACH_KDB
140: int ipc_list_count(struct ipc_kmsg *base);
141: #endif /* MACH_KDB */
142:
143: #endif /* _IPC_IPC_PSET_H_ */
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