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Annotation of XNU/osfmk/ipc/ipc_hash.h, revision 1.1.1.1

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_hash.h
                     54:  *     Author: Rich Draves
                     55:  *     Date:   1989
                     56:  *
                     57:  *     Declarations of entry hash table operations.
                     58:  */
                     59: 
                     60: #ifndef        _IPC_IPC_HASH_H_
                     61: #define _IPC_IPC_HASH_H_
                     62: 
                     63: #include <mach/boolean.h>
                     64: #include <mach/kern_return.h>
                     65: #include <mach_debug/hash_info.h>
                     66: 
                     67: /*
                     68:  * Exported interfaces
                     69:  */
                     70: 
                     71: /* Lookup (space, obj) in the appropriate reverse hash table */
                     72: extern boolean_t ipc_hash_lookup(
                     73:        ipc_space_t             space,
                     74:        ipc_object_t            obj,
                     75:        mach_port_name_t        *namep,
                     76:        ipc_entry_t             *entryp);
                     77: 
                     78: /* Insert an entry into the appropriate reverse hash table */
                     79: extern void ipc_hash_insert(
                     80:        ipc_space_t             space,
                     81:        ipc_object_t            obj,
                     82:        mach_port_name_t        name,
                     83:        ipc_entry_t             entry);
                     84: 
                     85: /* Delete an entry from the appropriate reverse hash table */
                     86: extern void ipc_hash_delete(
                     87:        ipc_space_t             space,
                     88:        ipc_object_t            obj,
                     89:        mach_port_name_t        name,
                     90:        ipc_entry_t             entry);
                     91: 
                     92: /*
                     93:  *     For use by functions that know what they're doing:
                     94:  *     the global primitives, for splay tree entries,
                     95:  *     and the local primitives, for table entries.
                     96:  */
                     97: 
                     98: /* Delete an entry from the global reverse hash table */
                     99: extern void ipc_hash_global_delete(
                    100:        ipc_space_t             space,
                    101:        ipc_object_t            obj,
                    102:        mach_port_name_t        name,
                    103:        ipc_tree_entry_t        entry);
                    104: 
                    105: /* Lookup (space, obj) in local hash table */
                    106: extern boolean_t ipc_hash_local_lookup(
                    107:        ipc_space_t             space,
                    108:        ipc_object_t            obj,
                    109:        mach_port_name_t        *namep,
                    110:        ipc_entry_t             *entryp);
                    111: 
                    112: /* Inserts an entry into the local reverse hash table */
                    113: extern void ipc_hash_local_insert(
                    114:        ipc_space_t             space,
                    115:        ipc_object_t            obj,
                    116:        mach_port_index_t       index,
                    117:        ipc_entry_t             entry);
                    118: 
                    119: /* Initialize the reverse hash table implementation */
                    120: extern void ipc_hash_init(void);
                    121: 
                    122: #include <mach_ipc_debug.h>
                    123: 
                    124: #if    MACH_IPC_DEBUG
                    125: 
                    126: extern natural_t ipc_hash_info(
                    127:        hash_info_bucket_t      *info,
                    128:        mach_msg_type_number_t count);
                    129: 
                    130: #endif /* MACH_IPC_DEBUG */
                    131: 
                    132: #endif /* _IPC_IPC_HASH_H_ */

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