1/* 2 * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* 29 * @OSF_COPYRIGHT@ 30 */ 31/* 32 * Mach Operating System 33 * Copyright (c) 1991,1990,1989 Carnegie Mellon University 34 * All Rights Reserved. 35 * 36 * Permission to use, copy, modify and distribute this software and its 37 * documentation is hereby granted, provided that both the copyright 38 * notice and this permission notice appear in all copies of the 39 * software, derivative works or modified versions, and any portions 40 * thereof, and that both notices appear in supporting documentation. 41 * 42 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 43 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 44 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 45 * 46 * Carnegie Mellon requests users of this software to return to 47 * 48 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 49 * School of Computer Science 50 * Carnegie Mellon University 51 * Pittsburgh PA 15213-3890 52 * 53 * any improvements or extensions that they make and grant Carnegie Mellon 54 * the rights to redistribute these changes. 55 */ 56/* 57 */ 58/* 59 * File: ipc/ipc_hash.h 60 * Author: Rich Draves 61 * Date: 1989 62 * 63 * Declarations of entry hash table operations. 64 */ 65 66#ifndef _IPC_IPC_HASH_H_ 67#define _IPC_IPC_HASH_H_ 68 69#include <mach/port.h> 70#include <mach/mach_types.h> 71#include <mach/boolean.h> 72#include <mach/kern_return.h> 73#include <ipc/ipc_types.h> 74/* 75 * Exported interfaces 76 */ 77 78/* Lookup (space, obj) in the appropriate reverse hash table */ 79extern boolean_t ipc_hash_lookup( 80 ipc_space_t space, 81 ipc_object_t obj, 82 mach_port_name_t *namep, 83 ipc_entry_t *entryp); 84 85/* Insert an entry into the appropriate reverse hash table */ 86extern void ipc_hash_insert( 87 ipc_space_t space, 88 ipc_object_t obj, 89 mach_port_name_t name, 90 ipc_entry_t entry); 91 92/* Delete an entry from the appropriate reverse hash table */ 93extern void ipc_hash_delete( 94 ipc_space_t space, 95 ipc_object_t obj, 96 mach_port_name_t name, 97 ipc_entry_t entry); 98 99/* 100 * For use by functions that know what they're doing: 101 * the global primitives, for splay tree entries, 102 * and the local primitives, for table entries. 103 */ 104 105/* Delete an entry from the global reverse hash table */ 106extern void ipc_hash_global_delete( 107 ipc_space_t space, 108 ipc_object_t obj, 109 mach_port_name_t name, 110 ipc_tree_entry_t entry); 111 112/* Lookup (space, obj) in local hash table */ 113extern boolean_t ipc_hash_local_lookup( 114 ipc_space_t space, 115 ipc_object_t obj, 116 mach_port_name_t *namep, 117 ipc_entry_t *entryp); 118 119/* Inserts an entry into the local reverse hash table */ 120extern void ipc_hash_local_insert( 121 ipc_space_t space, 122 ipc_object_t obj, 123 mach_port_index_t index, 124 ipc_entry_t entry); 125 126/* Initialize the reverse hash table implementation */ 127extern void ipc_hash_init(void) __attribute__((section("__TEXT, initcode"))); 128 129#include <mach_ipc_debug.h> 130 131#if MACH_IPC_DEBUG 132 133#include <mach_debug/hash_info.h> 134extern natural_t ipc_hash_size(void); 135extern natural_t ipc_hash_info( 136 hash_info_bucket_t *info, 137 natural_t count); 138 139#endif /* MACH_IPC_DEBUG */ 140 141#endif /* _IPC_IPC_HASH_H_ */ 142