Home | History | Annotate | Line # | Download | only in include
lock.h revision 1.1.2.1 
      1  1.1.2.1  sommerfe /* $NetBSD: lock.h,v 1.1.2.1 2000/02/20 16:37:59 sommerfeld Exp $ */
      2  1.1.2.1  sommerfe 
      3  1.1.2.1  sommerfe /*-
      4  1.1.2.1  sommerfe  * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
      5  1.1.2.1  sommerfe  * All rights reserved.
      6  1.1.2.1  sommerfe  *
      7  1.1.2.1  sommerfe  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1.2.1  sommerfe  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
      9  1.1.2.1  sommerfe  * NASA Ames Research Center.
     10  1.1.2.1  sommerfe  *
     11  1.1.2.1  sommerfe  * Redistribution and use in source and binary forms, with or without
     12  1.1.2.1  sommerfe  * modification, are permitted provided that the following conditions
     13  1.1.2.1  sommerfe  * are met:
     14  1.1.2.1  sommerfe  * 1. Redistributions of source code must retain the above copyright
     15  1.1.2.1  sommerfe  *    notice, this list of conditions and the following disclaimer.
     16  1.1.2.1  sommerfe  * 2. Redistributions in binary form must reproduce the above copyright
     17  1.1.2.1  sommerfe  *    notice, this list of conditions and the following disclaimer in the
     18  1.1.2.1  sommerfe  *    documentation and/or other materials provided with the distribution.
     19  1.1.2.1  sommerfe  * 3. All advertising materials mentioning features or use of this software
     20  1.1.2.1  sommerfe  *    must display the following acknowledgement:
     21  1.1.2.1  sommerfe  *	This product includes software developed by the NetBSD
     22  1.1.2.1  sommerfe  *	Foundation, Inc. and its contributors.
     23  1.1.2.1  sommerfe  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24  1.1.2.1  sommerfe  *    contributors may be used to endorse or promote products derived
     25  1.1.2.1  sommerfe  *    from this software without specific prior written permission.
     26  1.1.2.1  sommerfe  *
     27  1.1.2.1  sommerfe  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28  1.1.2.1  sommerfe  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29  1.1.2.1  sommerfe  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30  1.1.2.1  sommerfe  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31  1.1.2.1  sommerfe  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32  1.1.2.1  sommerfe  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33  1.1.2.1  sommerfe  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34  1.1.2.1  sommerfe  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35  1.1.2.1  sommerfe  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  1.1.2.1  sommerfe  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37  1.1.2.1  sommerfe  * POSSIBILITY OF SUCH DAMAGE.
     38  1.1.2.1  sommerfe  */
     39  1.1.2.1  sommerfe 
     40  1.1.2.1  sommerfe /*
     41  1.1.2.1  sommerfe  * Machine-dependent spin lock operations.
     42  1.1.2.1  sommerfe  */
     43  1.1.2.1  sommerfe 
     44  1.1.2.1  sommerfe #if defined(_KERNEL)
     45  1.1.2.1  sommerfe void	cpu_simple_lock_init __P((__volatile struct simplelock *));
     46  1.1.2.1  sommerfe void	cpu_simple_lock __P((__volatile struct simplelock *));
     47  1.1.2.1  sommerfe int	cpu_simple_lock_try __P((__volatile struct simplelock *));
     48  1.1.2.1  sommerfe void	cpu_simple_unlock __P((__volatile struct simplelock *));
     49  1.1.2.1  sommerfe #endif /* _KERNEL */
     50