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Annotation of kernel/ipc/ipc_hash.h, revision 1.1

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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