md spinlock

1 files changed, 0 insertions, 74 deletions

diff --git a/lib/libc/include/spinlock.h b/lib/libc/include/spinlock.h
deleted file mode 100644
index 31e7744f0af..00000000000
--- a/lib/libc/include/spinlock.h
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by John Birrell.
- * 4. Neither the name of the author nor the names of any co-contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $Id: spinlock.h,v 1.2 1998/12/18 05:59:17 d Exp $
- * $OpenBSD: spinlock.h,v 1.2 1998/12/18 05:59:17 d Exp $
- *
- * Lock definitions used in both libc and libpthread.
- *
- */
-
-#ifndef _SPINLOCK_H_
-#define _SPINLOCK_H_
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-/*
- * Lock structure with room for debugging information.
- */
-typedef struct {
-	volatile register_t	access_lock;
-	volatile long	lock_owner;
-	volatile const char * fname;
-	volatile int	lineno;
-} spinlock_t;
-
-#define	_SPINLOCK_INITIALIZER	{ 0, 0, 0, 0 }
-
-#define _SPINUNLOCK(_lck)	(_lck)->access_lock = 0
-#ifdef	_LOCK_DEBUG
-#define	_SPINLOCK(_lck)		_spinlock_debug(_lck, __FILE__, __LINE__)
-#else
-#define	_SPINLOCK(_lck)		_spinlock(_lck)
-#endif
-
-/*
- * Thread function prototype definitions:
- */
-__BEGIN_DECLS
-register_t	_atomic_lock __P((volatile register_t *));
-int		_atomic_is_locked __P((volatile register_t *));
-register_t	_thread_slow_atomic_lock __P((volatile register_t *));
-void	_spinlock __P((spinlock_t *));
-void	_spinlock_debug __P((spinlock_t *, const char *, int));
-__END_DECLS
-
-#endif /* _SPINLOCK_H_ */