/* $NetBSD: mutex.h,v 1.7.4.1 2023/08/09 17:42:02 martin Exp $ */ /*- * Copyright (c) 2008 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Takayoshi Kochi. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ #ifndef _IA64_MUTEX_H_ #define _IA64_MUTEX_H_ #include #ifndef __MUTEX_PRIVATE struct kmutex { uintptr_t mtx_pad1; uint32_t mtx_pad2[2]; }; #else #include struct kmutex { volatile uintptr_t mtx_owner; ipl_cookie_t mtx_ipl; __cpu_simple_lock_t mtx_lock; }; /* XXX when we implement mutex_enter()/mutex_exit(), uncomment this #define __HAVE_MUTEX_STUBS 1 */ /* XXX when we implement mutex_spin_enter()/mutex_spin_exit(), uncomment this #define __HAVE_SPIN_MUTEX_STUBS 1 */ #define __HAVE_SIMPLE_MUTEXES 1 #endif /* __MUTEX_PRIVATE */ #endif /* _IA64_MUTEX_H_ */