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Annotation of kernel/mach/memory_object_default.defs, 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:  * Mach Operating System
        !            27:  * Copyright (c) 1991,1990,1989,1988,1987 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:  * HISTORY
        !            52:  * $Log: memory_object_default.defs,v $
        !            53:  * Revision 1.1.1.1.666.4  1999/03/16 17:05:41  wsanchez
        !            54:  * Substitute License
        !            55:  *
        !            56:  * Revision 1.1.1.1.666.3  1999/03/16 15:28:04  wsanchez
        !            57:  * Substitute copyright
        !            58:  *
        !            59:  * Revision 1.1.1.1.666.2  1999/03/16 10:37:39  umeshv
        !            60:  * Fixed errors in previous commit.
        !            61:  *
        !            62:  * Revision 1.1.1.1.666.1  1999/03/11 09:52:50  umeshv
        !            63:  * Added copyrights.
        !            64:  *
        !            65:  * Revision 1.1.1.1  1997/09/30 02:44:51  wsanchez
        !            66:  * Import of kernel from umeshv/kernel
        !            67:  *
        !            68:  * Revision 2.8  91/08/28  11:15:24  jsb
        !            69:  *     Added conditionalized sequence number support.
        !            70:  *     [91/08/13            rpd]
        !            71:  * 
        !            72:  * Revision 2.7  91/07/01  08:25:22  jsb
        !            73:  *     If KERNEL and NORMA_VM, then use a userprefix (to allow interposition).
        !            74:  *     [91/06/29  16:35:53  jsb]
        !            75:  * 
        !            76:  * Revision 2.6  91/06/25  10:30:41  rpd
        !            77:  *     Changed the port-based type declarations
        !            78:  *     to use mach_port_t as the C type name.
        !            79:  *     [91/05/23            rpd]
        !            80:  * 
        !            81:  * Revision 2.5  91/05/14  16:56:08  mrt
        !            82:  *     Correcting copyright
        !            83:  * 
        !            84:  * Revision 2.4  91/02/05  17:34:05  mrt
        !            85:  *     Changed to new Mach copyright
        !            86:  *     [91/02/01  17:19:22  mrt]
        !            87:  * 
        !            88:  * Revision 2.3  90/08/06  17:06:16  rpd
        !            89:  *     For compatibility with Mach 2.5, added dealloc to
        !            90:  *     argument of memory_object_create.
        !            91:  *     [90/08/04            rpd]
        !            92:  * 
        !            93:  * Revision 2.2  90/06/02  14:59:00  rpd
        !            94:  *     Converted to new IPC.
        !            95:  *     [90/03/26  22:35:46  rpd]
        !            96:  * 
        !            97:  * Revision 2.1  89/08/03  17:18:28  rwd
        !            98:  * Created.
        !            99:  * 
        !           100:  * Revision 2.3  89/02/25  18:38:29  gm0w
        !           101:  *     Changes for cleanup.
        !           102:  * 
        !           103:  * Revision 2.2  89/01/15  16:31:26  rpd
        !           104:  *     Moved from kern/ to mach/.
        !           105:  *     [89/01/15  14:40:47  rpd]
        !           106:  * 
        !           107:  * Revision 2.7  89/01/12  07:58:30  rpd
        !           108:  *     Fixed includes.
        !           109:  *     [89/01/12  04:52:50  rpd]
        !           110:  * 
        !           111:  * Revision 2.6  88/08/25  18:17:23  mwyoung
        !           112:  *     Rid the kernel_task of rights to the new memory_object in
        !           113:  *     memory_object_create.
        !           114:  *     Add size argument to memory_object_create.
        !           115:  *     [88/08/11  18:47:16  mwyoung]
        !           116:  * 
        !           117:  * Revision 2.5  88/08/06  18:23:00  rpd
        !           118:  * Added dealloc flag to new_memory_object arg of memory_object_create().
        !           119:  * Otherwise, kernel_task is left with send right, and this is very bad.
        !           120:  * 
        !           121:  * 29-Jun-88  Michael Young (mwyoung) at Carnegie-Mellon University
        !           122:  *     Use new types.
        !           123:  *
        !           124:  * 29-Jun-88  Michael Young (mwyoung) at Carnegie-Mellon University
        !           125:  *     Moved data type declarations to "mach_types.defs".
        !           126:  *
        !           127:  *  9-Dec-87  Michael Young (mwyoung) at Carnegie-Mellon University
        !           128:  *     Created.
        !           129:  */
        !           130: /*
        !           131:  * File:       mach/memory_object_default.defs
        !           132:  *
        !           133:  * Abstract:
        !           134:  *     Mach external memory management interface declaration; subset
        !           135:  *     that is applicable to managers of kernel-created memory objects.
        !           136:  */
        !           137: 
        !           138: subsystem
        !           139: #if    KERNEL_USER
        !           140:          KernelUser
        !           141: #endif KERNEL_USER
        !           142:                     memory_object_default 2250;
        !           143: 
        !           144: #include <mach/std_types.defs>
        !           145: #include <mach/mach_types.defs>
        !           146: 
        !           147: #if    SEQNOS
        !           148: serverprefix seqnos_;
        !           149: serverdemux seqnos_memory_object_default_server;
        !           150: #endif SEQNOS
        !           151: 
        !           152: /*
        !           153:  *     Pass on responsibility for the new kernel-created memory
        !           154:  *     object.  The port on which this request is that port
        !           155:  *     (possibly a memory object itself) registered as the "default
        !           156:  *     pager".  Other arguments are as described for memory_object_init.
        !           157:  *     [No reply required.]
        !           158:  */
        !           159: simpleroutine  memory_object_create(
        !           160:                old_memory_object       : memory_object_t =
        !           161:                                                MACH_MSG_TYPE_MOVE_SEND
        !           162:                                                ctype: mach_port_t;
        !           163: #if    SEQNOS
        !           164:        msgseqno seqno                  : mach_port_seqno_t;
        !           165: #endif SEQNOS
        !           166:                new_memory_object       : memory_object_t =
        !           167:                                                MACH_MSG_TYPE_MOVE_RECEIVE
        !           168:                                                ctype: mach_port_t
        !           169: #if    KERNEL_USER
        !           170:                /* for compatibility with Mach 2.5 kernels */
        !           171:                                                , dealloc
        !           172: #endif KERNEL_USER
        !           173:                                                ;
        !           174:                new_object_size         : vm_size_t;
        !           175:                new_control_port        : memory_object_control_t =
        !           176:                                                MACH_MSG_TYPE_MAKE_SEND
        !           177:                                                ctype: mach_port_t;
        !           178:                new_name                : memory_object_name_t =
        !           179:                                                MACH_MSG_TYPE_MAKE_SEND
        !           180:                                                ctype: mach_port_t;
        !           181:                new_page_size           : vm_size_t);
        !           182: 
        !           183: /*
        !           184:  *     Provide initial data contents for this region of
        !           185:  *     the memory object.  If data has already been written
        !           186:  *     to the object, this value must be discarded; otherwise,
        !           187:  *     this call acts identically to memory_object_data_write.
        !           188:  */
        !           189: simpleroutine  memory_object_data_initialize(
        !           190:                memory_object           : memory_object_t;
        !           191: #if    SEQNOS
        !           192:        msgseqno seqno                  : mach_port_seqno_t;
        !           193: #endif SEQNOS
        !           194:                memory_control_port     : memory_object_control_t =
        !           195:                                                MACH_MSG_TYPE_MAKE_SEND
        !           196:                                                ctype: mach_port_t;
        !           197:                offset                  : vm_offset_t;
        !           198:                data                    : pointer_t);
        !           199: 
        !           200: #if    0
        !           201: /*
        !           202:  *     Indicate that the specified range of data in this memory object
        !           203:  *     will not be requested again until it is reinitialized with
        !           204:  *     memory_object_data_write or memory_object_data_initialize.
        !           205:  */
        !           206: simpleroutine  memory_object_data_terminate(
        !           207:                memory_object           : memory_object_t;
        !           208: #if    SEQNOS
        !           209:        msgseqno seqno                  : mach_port_seqno_t;
        !           210: #endif SEQNOS
        !           211:                memory_control_port     : memory_object_control_t =
        !           212:                                                MACH_MSG_TYPE_MAKE_SEND
        !           213:                                                ctype: mach_port_t;
        !           214:                offset                  : vm_offset_t;
        !           215:                size                    : vm_size_t);
        !           216: #else  0
        !           217: skip;  /* memory_object_data_terminate */
        !           218: #endif 0

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