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authorThomas Bushnell <thomas@gnu.org>1997-02-25 21:28:37 +0000
committerThomas Bushnell <thomas@gnu.org>1997-02-25 21:28:37 +0000
commitf07a4c844da9f0ecae5bbee1ab94be56505f26f7 (patch)
tree12b07c7e578fc1a5f53dbfde2632408491ff2a70 /kern/cpu_number.h
Initial source
Diffstat (limited to 'kern/cpu_number.h')
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diff --git a/kern/cpu_number.h b/kern/cpu_number.h
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+/*
+ * Mach Operating System
+ * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University
+ * All Rights Reserved.
+ *
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ *
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * Carnegie Mellon requests users of this software to return to
+ *
+ * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
+ * School of Computer Science
+ * Carnegie Mellon University
+ * Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+
+#ifndef _KERN_CPU_NUMBER_H_
+#define _KERN_CPU_NUMBER_H_
+
+#include <cpus.h>
+
+/*
+ * Definitions for cpu identification in multi-processors.
+ */
+
+int master_cpu; /* 'master' processor - keeps time */
+
+#if (NCPUS == 1)
+ /* cpu number is always 0 on a single processor system */
+#define cpu_number() (0)
+
+#endif /* NCPUS == 1 */
+#endif /* _KERN_CPU_NUMBER_H_ */