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Annotation of XNU/osfmk/mach/memory_object_default.defs, 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) 1991,1990,1989,1988,1987 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:  */
        !            52: /*
        !            53:  * File:       mach/memory_object_default.defs
        !            54:  *
        !            55:  * Abstract:
        !            56:  *     Mach external memory management interface declaration; subset
        !            57:  *     that is applicable to managers of kernel-created memory objects.
        !            58:  */
        !            59: 
        !            60: subsystem
        !            61: #if    KERNEL_USER
        !            62:        KernelUser
        !            63: #endif KERNEL_USER
        !            64: #if    KERNEL_SERVER
        !            65:        KernelServer
        !            66: #endif KERNEL_SERVER
        !            67:                     memory_object_default 2250;
        !            68: 
        !            69: #include <mach/std_types.defs>
        !            70: #include <mach/mach_types.defs>
        !            71: 
        !            72: #if KERNEL_SERVER
        !            73: serverprefix dp_;
        !            74: #else
        !            75: #if    SEQNOS
        !            76: serverprefix seqnos_;
        !            77: serverdemux seqnos_memory_object_default_server;
        !            78: #endif /* SEQNOS */
        !            79: #endif
        !            80: 
        !            81: /*
        !            82:  *     Pass on responsibility for the new kernel-created memory
        !            83:  *     object.  The port on which this request is that port
        !            84:  *     (possibly a memory object itself) registered as the "default
        !            85:  *     pager".  Other arguments are as described for memory_object_init.
        !            86:  *     [No reply required.]
        !            87:  */
        !            88: routine        memory_object_create(
        !            89:                old_memory_object       : memory_object_default_t =
        !            90:                                                MACH_MSG_TYPE_MOVE_SEND;
        !            91: #if    SEQNOS
        !            92:        msgseqno seqno                  : mach_port_seqno_t;
        !            93: #endif SEQNOS
        !            94:        out     new_memory_object       : memory_object_default_t =
        !            95:                                                MACH_MSG_TYPE_MAKE_SEND;
        !            96:                new_object_size         : vm_size_t);
        !            97: 
        !            98: /*
        !            99:  *     Provide initial data contents for this region of
        !           100:  *     the memory object.  If data has already been written
        !           101:  *     to the object, this value must be discarded; otherwise,
        !           102:  *     this call acts identically to memory_object_data_write.
        !           103:  */
        !           104: simpleroutine  memory_object_data_initialize(
        !           105:                memory_object           : memory_object_default_t;
        !           106: #if    SEQNOS
        !           107:        msgseqno seqno                  : mach_port_seqno_t;
        !           108: #endif SEQNOS
        !           109:                memory_control_port     : memory_object_control_t =
        !           110:                                                MACH_MSG_TYPE_MAKE_SEND;
        !           111:                offset                  : vm_offset_t;
        !           112:                data                    : pointer_t);
        !           113: 

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