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Annotation of OSKit-Mach/kern/cpu_number.h, revision 1.1.1.1

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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