1 /* ---------------------------------------------------------------------------- 2 * Copyright (c) Huawei Technologies Co., Ltd. 2022-2023. All rights reserved. 3 * Description : Spinlock Low Level Impelmentations Headfile 4 * Author: Huawei LiteOS Team 5 * Create : 2022-12-20 6 * Redistribution and use in source and binary forms, with or without modification, 7 * are permitted provided that the following conditions are met: 8 * 1. Redistributions of source code must retain the above copyright notice, this list of 9 * conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 11 * of conditions and the following disclaimer in the documentation and/or other materials 12 * provided with the distribution. 13 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 14 * to endorse or promote products derived from this software without specific prior written 15 * permission. 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 18 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 23 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 25 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 26 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * ---------------------------------------------------------------------------- */ 28 29 #ifndef _ARCH_SPINLOCK_H 30 #define _ARCH_SPINLOCK_H 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif /* __cplusplus */ 35 36 #ifdef __cplusplus 37 } 38 #endif /* __cplusplus */ 39 40 #endif /* _ARCH_SPINLOCK_H */ 41