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1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24:
25: /*
26: * Copyright (c) 1995, 1994, 1993, 1992, 1991, 1990
27: * Open Software Foundation, Inc.
28: *
29: * Permission to use, copy, modify, and distribute this software and
30: * its documentation for any purpose and without fee is hereby granted,
31: * provided that the above copyright notice appears in all copies and
32: * that both the copyright notice and this permission notice appear in
33: * supporting documentation, and that the name of ("OSF") or Open Software
34: * Foundation not be used in advertising or publicity pertaining to
35: * distribution of the software without specific, written prior permission.
36: *
37: * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
38: * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
39: * FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL OSF BE LIABLE FOR ANY
40: * SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
41: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
42: * ACTION OF CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING
43: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE
44: */
45: /*
46: * OSF Research Institute MK6.1 (unencumbered) 1/31/1995
47: */
48: /*
49: * Mach Operating System
50: * Copyright (c) 1991,1990,1989 Carnegie Mellon University
51: * All Rights Reserved.
52: *
53: * Permission to use, copy, modify and distribute this software and its
54: * documentation is hereby granted, provided that both the copyright
55: * notice and this permission notice appear in all copies of the
56: * software, derivative works or modified versions, and any portions
57: * thereof, and that both notices appear in supporting documentation.
58: *
59: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
60: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
61: * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
62: *
63: * Carnegie Mellon requests users of this software to return to
64: *
65: * Software Distribution Coordinator or [email protected]
66: * School of Computer Science
67: * Carnegie Mellon University
68: * Pittsburgh PA 15213-3890
69: *
70: * any improvements or extensions that they make and grant Carnegie Mellon
71: * the rights to redistribute these changes.
72: */
73: /*
74: * File: ipc/ipc_hash.h
75: * Author: Rich Draves
76: * Date: 1989
77: *
78: * Declarations of entry hash table operations.
79: */
80:
81: #ifndef _IPC_IPC_HASH_H_
82: #define _IPC_IPC_HASH_H_
83:
84: #include <mach/boolean.h>
85: #include <mach/kern_return.h>
86: #include <mach_debug/hash_info.h>
87:
88: /*
89: * Exported interfaces
90: */
91:
92: /* Lookup (space, obj) in the appropriate reverse hash table */
93: extern boolean_t ipc_hash_lookup(
94: ipc_space_t space,
95: ipc_object_t obj,
96: mach_port_t *namep,
97: ipc_entry_t *entryp);
98:
99: /* Insert an entry into the appropriate reverse hash table */
100: extern void ipc_hash_insert(
101: ipc_space_t space,
102: ipc_object_t obj,
103: mach_port_t name,
104: ipc_entry_t entry);
105:
106: /* Delete an entry from the appropriate reverse hash table */
107: extern void ipc_hash_delete(
108: ipc_space_t space,
109: ipc_object_t obj,
110: mach_port_t name,
111: ipc_entry_t entry);
112:
113: /*
114: * For use by functions that know what they're doing:
115: * the global primitives, for splay tree entries,
116: * and the local primitives, for table entries.
117: */
118:
119: /* Delete an entry from the global reverse hash table */
120: extern void ipc_hash_global_delete(
121: ipc_space_t space,
122: ipc_object_t obj,
123: mach_port_t name,
124: ipc_tree_entry_t entry);
125:
126: /* Lookup (space, obj) in local hash table */
127: extern boolean_t ipc_hash_local_lookup(
128: ipc_space_t space,
129: ipc_object_t obj,
130: mach_port_t *namep,
131: ipc_entry_t *entryp);
132:
133: /* Inserts an entry into the local reverse hash table */
134: extern void ipc_hash_local_insert(
135: ipc_space_t space,
136: ipc_object_t obj,
137: mach_port_index_t index,
138: ipc_entry_t entry);
139:
140: /* Initialize the reverse hash table implementation */
141: extern void ipc_hash_init(void);
142:
143: #include <mach_ipc_debug.h>
144:
145: #if MACH_IPC_DEBUG
146:
147: extern unsigned int ipc_hash_info(
148: hash_info_bucket_t *info,
149: unsigned int count);
150:
151: #endif /* MACH_IPC_DEBUG */
152:
153: #endif /* _IPC_IPC_HASH_H_ */
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