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Annotation of OSKit-Mach/include/mach/memory_object_default.defs, revision 1.1

1.1     ! root        1: /*
        !             2:  * Mach Operating System
        !             3:  * Copyright (c) 1991,1990,1989,1988,1987 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  [email protected]
        !            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:  * File:       mach/memory_object_default.defs
        !            28:  *
        !            29:  * Abstract:
        !            30:  *     Mach external memory management interface declaration; subset
        !            31:  *     that is applicable to managers of kernel-created memory objects.
        !            32:  */
        !            33: 
        !            34: subsystem
        !            35: #if    KERNEL_USER
        !            36:          KernelUser
        !            37: #endif /* KERNEL_USER */
        !            38:                     memory_object_default 2250;
        !            39: 
        !            40: #ifdef MACH_KERNEL
        !            41: #include <norma_vm.h>
        !            42: #if    NORMA_VM
        !            43: userprefix k_;
        !            44: #endif /* NORMA_VM */
        !            45: #endif /* MACH_KERNEL */
        !            46: 
        !            47: #include <mach/std_types.defs>
        !            48: #include <mach/mach_types.defs>
        !            49: 
        !            50: #if    SEQNOS
        !            51: serverprefix seqnos_;
        !            52: serverdemux seqnos_memory_object_default_server;
        !            53: #endif /* SEQNOS */
        !            54: 
        !            55: /*
        !            56:  *     Pass on responsibility for the new kernel-created memory
        !            57:  *     object.  The port on which this request is that port
        !            58:  *     (possibly a memory object itself) registered as the "default
        !            59:  *     pager".  Other arguments are as described for memory_object_init.
        !            60:  *     [No reply required.]
        !            61:  */
        !            62: simpleroutine  memory_object_create(
        !            63:                old_memory_object       : memory_object_t =
        !            64:                                                MACH_MSG_TYPE_MOVE_SEND
        !            65:                                                ctype: mach_port_t;
        !            66: #if    SEQNOS
        !            67:        msgseqno seqno                  : mach_port_seqno_t;
        !            68: #endif /* SEQNOS */
        !            69:                new_memory_object       : memory_object_t =
        !            70:                                                MACH_MSG_TYPE_MOVE_RECEIVE
        !            71:                                                ctype: mach_port_t
        !            72: #if    KERNEL_USER
        !            73:                /* for compatibility with Mach 2.5 kernels */
        !            74:                                                , dealloc
        !            75: #endif /* KERNEL_USER */
        !            76:                                                ;
        !            77:                new_object_size         : vm_size_t;
        !            78:                new_control_port        : memory_object_control_t =
        !            79:                                                MACH_MSG_TYPE_MAKE_SEND
        !            80:                                                ctype: mach_port_t;
        !            81:                new_name                : memory_object_name_t =
        !            82:                                                MACH_MSG_TYPE_MAKE_SEND
        !            83:                                                ctype: mach_port_t;
        !            84:                new_page_size           : vm_size_t);
        !            85: 
        !            86: /*
        !            87:  *     Provide initial data contents for this region of
        !            88:  *     the memory object.  If data has already been written
        !            89:  *     to the object, this value must be discarded; otherwise,
        !            90:  *     this call acts identically to memory_object_data_write.
        !            91:  */
        !            92: simpleroutine  memory_object_data_initialize(
        !            93:                memory_object           : memory_object_t;
        !            94: #if    SEQNOS
        !            95:        msgseqno seqno                  : mach_port_seqno_t;
        !            96: #endif /* SEQNOS */
        !            97:                memory_control_port     : memory_object_control_t =
        !            98:                                                MACH_MSG_TYPE_MAKE_SEND
        !            99:                                                ctype: mach_port_t;
        !           100:                offset                  : vm_offset_t;
        !           101:                data                    : pointer_t);
        !           102: 
        !           103: #if    0
        !           104: /*
        !           105:  *     Indicate that the specified range of data in this memory object
        !           106:  *     will not be requested again until it is reinitialized with
        !           107:  *     memory_object_data_write or memory_object_data_initialize.
        !           108:  */
        !           109: simpleroutine  memory_object_data_terminate(
        !           110:                memory_object           : memory_object_t;
        !           111: #if    SEQNOS
        !           112:        msgseqno seqno                  : mach_port_seqno_t;
        !           113: #endif /* SEQNOS */
        !           114:                memory_control_port     : memory_object_control_t =
        !           115:                                                MACH_MSG_TYPE_MAKE_SEND
        !           116:                                                ctype: mach_port_t;
        !           117:                offset                  : vm_offset_t;
        !           118:                size                    : vm_size_t);
        !           119: #else  /* 0 */
        !           120: skip;  /* memory_object_data_terminate */
        !           121: #endif /* 0 */

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