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