/*- * Copyright (c) 2013 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Matt Thomas of 3am Software Foundry. * * 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. */ #include <sys/cdefs.h> __RCSID("$NetBSD: atomic_simplelock.c,v 1.2 2013/08/16 01:47:41 matt Exp $"); #include <sys/types.h> #if !defined(_ARM_ARCH_T2) /* * We need to use the inlines so redefine out of the way. */ #define __cpu_simple_lock __arm_simple_lock #define __cpu_simple_lock_try __arm_simple_lock_try #include <arm/lock.h> /* * Now get rid of them. */ #undef __cpu_simple_lock #undef __cpu_simple_lock_try /* * Since we overrode lock.h we have to provide these ourselves. */ #ifdef __LIBPTHREAD_SOURCE__ __dso_hidden void __cpu_simple_lock(__cpu_simple_lock_t *); __dso_hidden int __cpu_simple_lock_try(__cpu_simple_lock_t *); #else void __cpu_simple_lock(__cpu_simple_lock_t *); int __cpu_simple_lock_try(__cpu_simple_lock_t *); #endif void __cpu_simple_lock(__cpu_simple_lock_t *alp) { __arm_simple_lock(alp); } int __cpu_simple_lock_try(__cpu_simple_lock_t *alp) { return __arm_simple_lock_try(alp); } #endif |