The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/ipc/ipc_hash.h

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    1 /* 
    2  * Mach Operating System
    3  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
    4  * All Rights Reserved.
    5  * 
    6  * Permission to use, copy, modify and distribute this software and its
    7  * documentation is hereby granted, provided that both the copyright
    8  * notice and this permission notice appear in all copies of the
    9  * software, derivative works or modified versions, and any portions
   10  * thereof, and that both notices appear in supporting documentation.
   11  * 
   12  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   13  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   14  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   15  * 
   16  * Carnegie Mellon requests users of this software to return to
   17  * 
   18  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   19  *  School of Computer Science
   20  *  Carnegie Mellon University
   21  *  Pittsburgh PA 15213-3890
   22  * 
   23  * any improvements or extensions that they make and grant Carnegie Mellon
   24  * the rights to redistribute these changes.
   25  */
   26 /*
   27  * HISTORY
   28  * $Log:        ipc_hash.h,v $
   29  * Revision 2.6  92/01/14  16:44:18  rpd
   30  *      Changed ipc_hash_info for CountInOut.
   31  *      [92/01/14            rpd]
   32  * 
   33  * Revision 2.5  91/05/14  16:32:23  mrt
   34  *      Correcting copyright
   35  * 
   36  * Revision 2.4  91/02/05  17:21:34  mrt
   37  *      Changed to new Mach copyright
   38  *      [91/02/01  15:44:52  mrt]
   39  * 
   40  * Revision 2.3  91/01/08  15:13:35  rpd
   41  *      Changed ipc_info_bucket_t to hash_info_bucket_t.
   42  *      [91/01/02            rpd]
   43  * 
   44  * Revision 2.2  90/06/02  14:49:51  rpd
   45  *      Created for new IPC.
   46  *      [90/03/26  20:55:01  rpd]
   47  * 
   48  */
   49 /*
   50  *      File:   ipc/ipc_hash.h
   51  *      Author: Rich Draves
   52  *      Date:   1989
   53  *
   54  *      Declarations of entry hash table operations.
   55  */
   56 
   57 #ifndef _IPC_IPC_HASH_H_
   58 #define _IPC_IPC_HASH_H_
   59 
   60 #include <mach_ipc_debug.h>
   61 
   62 #include <mach/boolean.h>
   63 #include <mach/kern_return.h>
   64 
   65 extern void
   66 ipc_hash_init();
   67 
   68 #if     MACH_IPC_DEBUG
   69 
   70 extern unsigned int
   71 ipc_hash_info(/* hash_info_bucket_t *, unsigned int */);
   72 
   73 #endif  MACH_IPC_DEBUG
   74 
   75 extern boolean_t
   76 ipc_hash_lookup(/* ipc_space_t space, ipc_object_t obj,
   77                    mach_port_t *namep, ipc_entry_t *entryp */);
   78 
   79 extern void
   80 ipc_hash_insert(/* ipc_space_t space, ipc_object_t obj,
   81                    mach_port_t name, ipc_entry_t entry */);
   82 
   83 extern void
   84 ipc_hash_delete(/* ipc_space_t space, ipc_object_t obj,
   85                    mach_port_t name, ipc_entry_t entry */);
   86 
   87 /*
   88  *      For use by functions that know what they're doing:
   89  *      the global primitives, for splay tree entries,
   90  *      and the local primitives, for table entries.
   91  */
   92 
   93 extern boolean_t
   94 ipc_hash_global_lookup(/* ipc_space_t space, ipc_object_t obj,
   95                           mach_port_t *namep, ipc_tree_entry_t *entryp */);
   96 
   97 extern void
   98 ipc_hash_global_insert(/* ipc_space_t space, ipc_object_t obj,
   99                           mach_port_t name, ipc_tree_entry_t entry */);
  100 
  101 extern void
  102 ipc_hash_global_delete(/* ipc_space_t space, ipc_object_t obj,
  103                           mach_port_t name, ipc_tree_entry_t entry */);
  104 
  105 extern boolean_t
  106 ipc_hash_local_lookup(/* ipc_space_t space, ipc_object_t obj,
  107                          mach_port_t *namep, ipc_entry_t *entryp */);
  108 
  109 extern void
  110 ipc_hash_local_insert(/* ipc_space_t space, ipc_object_t obj,
  111                          mach_port_index_t index, ipc_entry_t entry */);
  112 
  113 extern void
  114 ipc_hash_local_delete(/* ipc_space_t space, ipc_object_t obj,
  115                          mach_port_index_t index, ipc_entry_t entry */);
  116 
  117 #endif  _IPC_IPC_HASH_H_

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