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Annotation of OSKit-Mach/kern/cpu_number.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
        !            24:  * the rights to redistribute these changes.
        !            25:  */
        !            26: 
        !            27: #ifndef _KERN_CPU_NUMBER_H_
        !            28: #define _KERN_CPU_NUMBER_H_
        !            29: 
        !            30: #include <cpus.h>
        !            31: 
        !            32: #if    (NCPUS == 1)
        !            33: /*
        !            34:  *     Definitions for cpu identification in multi-processors.
        !            35:  */
        !            36: 
        !            37:        /* cpu number is always 0 on a single processor system */
        !            38: #define        cpu_number()    (0)
        !            39: #define master_cpu     (0)
        !            40: 
        !            41: #else
        !            42: 
        !            43: int    master_cpu;     /* 'master' processor - keeps time */
        !            44: 
        !            45: #include <machine/cpu_number.h>
        !            46: 
        !            47: #endif /* NCPUS == 1 */
        !            48: #endif /* _KERN_CPU_NUMBER_H_ */

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