Annotation of kernel/ipc/ipc_hash.h, revision 1.1.1.1

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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