1 files changed, 0 insertions, 68 deletions
diff --git a/util/ref_count.h b/util/ref_count.h
deleted file mode 100644
index b6d3404..0000000
--- a/util/ref_count.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/* 
- * Copyright (c) 1995-1993 The University of Utah and
- * the Computer Systems Laboratory at the University of Utah (CSL).
- * All rights reserved.
- *
- * Permission to use, copy, modify and distribute this software is hereby
- * granted provided that (1) source code retains these copyright, permission,
- * and disclaimer notices, and (2) redistributions including binaries
- * reproduce the notices in supporting documentation, and (3) all advertising
- * materials mentioning features or use of this software display the following
- * acknowledgement: ``This product includes software developed by the
- * Computer Systems Laboratory at the University of Utah.''
- *
- * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
- * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
- * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * CSL requests users of this software to return to csl-dist@cs.utah.edu any
- * improvements that they make and grant CSL redistribution rights.
- *
- *      Author: Bryan Ford, University of Utah CSL
- */
-/*
- *	File:	refcount.h
- *
- *	This defines the system-independent atomic reference count data type.
- *	(This file will often be overridden
- *	by better machine-dependent implementations.)
- *
- */
-
-#ifndef	_KERN_REF_COUNT_H_
-#define _KERN_REF_COUNT_H_
-
-#include <mach/macro_help.h>
-
-#include "simple_lock.h"
-
-
-struct ref_count {
-	decl_simple_lock_data(,lock)	/* lock for reference count */
-	int		count;		/* number of references */
-};
-
-#define ref_count_init(refcount, refs)			\
-	MACRO_BEGIN					\
-		simple_lock_init(&(refcount)->lock);	\
-		((refcount)->count = (refs));		\
-	MACRO_END
-
-#define ref_count_take(refcount)			\
-	MACRO_BEGIN					\
-		simple_lock(&(refcount)->lock);		\
-		(refcount)->count++;			\
-		simple_unlock(&(refcount)->lock);	\
-	MACRO_END
-
-#define ref_count_drop(refcount, func)			\
-	MACRO_BEGIN					\
-		int new_value;				\
-		simple_lock(&(refcount)->lock);		\
-		new_value = --(refcount)->count;	\
-		simple_unlock(&(refcount)->lock);	\
-		if (new_value == 0) { func; }		\
-	MACRO_END
-
-
-#endif _KERN_REF_COUNT_H_