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Annotation of OSKit-Mach/include/mach/version.h, revision 1.1

1.1     ! root        1: /* 
        !             2:  * Mach Operating System
        !             3:  * Copyright (c) 1991,1990,1989,1988 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 rights
        !            24:  * to redistribute these changes.
        !            25:  */
        !            26: /*
        !            27:  *     Each kernel has a major and minor version number.  Changes in
        !            28:  *     the major number in general indicate a change in exported features.
        !            29:  *     Changes in minor number usually correspond to internal-only
        !            30:  *     changes that the user need not be aware of (in general).  These
        !            31:  *     values are stored at boot time in the machine_info strucuture and
        !            32:  *     can be obtained by user programs with the host_info kernel call.
        !            33:  *     This mechanism is intended to be the formal way for Mach programs
        !            34:  *     to provide for backward compatibility in future releases.
        !            35:  *
        !            36:  *     [ This needs to be reconciled somehow with the major/minor version
        !            37:  *       number stuffed into the version string - mja, 5/8/87 ]
        !            38:  *
        !            39:  *     Following is an informal history of the numbers:
        !            40:  *
        !            41:  *     25-March-87  Avadis Tevanian, Jr.
        !            42:  *             Created version numbering scheme.  Started with major 1,
        !            43:  *             minor 0.
        !            44:  */
        !            45: 
        !            46: #define KERNEL_MAJOR_VERSION   4
        !            47: #define KERNEL_MINOR_VERSION   0
        !            48: 
        !            49: /* 
        !            50:  *  Version number of the kernel include files.
        !            51:  *
        !            52:  *  This number must be changed whenever an incompatible change is made to one
        !            53:  *  or more of our include files which are used by application programs that
        !            54:  *  delve into kernel memory.  The number should normally be simply incremented
        !            55:  *  but may actually be changed in any manner so long as it differs from the
        !            56:  *  numbers previously assigned to any other versions with which the current
        !            57:  *  version is incompatible.  It is used at boot time to determine which
        !            58:  *  versions of the system programs to install.
        !            59:  *
        !            60:  *  Note that the symbol _INCLUDE_VERSION must be set to this in the symbol
        !            61:  *  table.  On the VAX for example, this is done in locore.s.
        !            62:  */
        !            63: 
        !            64: /*
        !            65:  * Current allocation strategy: bump either branch by 2, until non-MACH is
        !            66:  * excised from the CSD environment.
        !            67:  */
        !            68: #define        INCLUDE_VERSION 0

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