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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/kern_types.h
Initial source
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+/*
+ * Mach Operating System
+ * Copyright (c) 1992 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_KERN_TYPES_H_
+#define _KERN_KERN_TYPES_H_
+
+#include <mach/port.h> /* for mach_port_t */
+
+/*
+ * Common kernel type declarations.
+ * These are handles to opaque data structures defined elsewhere.
+ *
+ * These types are recursively included in each other`s definitions.
+ * This file exists to export the common declarations to each
+ * of the definitions, and to other files that need only the
+ * type declarations.
+ */
+
+/*
+ * Task structure, from kern/task.h
+ */
+typedef struct task * task_t;
+#define TASK_NULL ((task_t) 0)
+
+typedef mach_port_t * task_array_t; /* should be task_t * */
+
+/*
+ * Thread structure, from kern/thread.h
+ */
+typedef struct thread * thread_t;
+#define THREAD_NULL ((thread_t) 0)
+
+typedef mach_port_t * thread_array_t; /* should be thread_t * */
+
+/*
+ * Processor structure, from kern/processor.h
+ */
+typedef struct processor * processor_t;
+#define PROCESSOR_NULL ((processor_t) 0)
+
+/*
+ * Processor set structure, from kern/processor.h
+ */
+typedef struct processor_set * processor_set_t;
+#define PROCESSOR_SET_NULL ((processor_set_t) 0)
+
+#endif /* _KERN_KERN_TYPES_H_ */