/* * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. * Copyright (c) 2020-2021 Huawei Device Co., Ltd. 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. Neither the name of the copyright holder nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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 _LOS_HOOK_H #define _LOS_HOOK_H #include "los_config.h" #include "los_err.h" #include "los_errno.h" #ifdef LOSCFG_KERNEL_HOOK #include "los_hook_types.h" #endif #ifdef __cplusplus #if __cplusplus extern "C" { #endif /* __cplusplus */ #endif /* __cplusplus */ #ifdef LOSCFG_KERNEL_HOOK /** * @ingroup los_hook * Hook error code: The hook pool is insufficient. * * Value: 0x02001f00 * * Solution: Deregister the registered hook. */ #define LOS_ERRNO_HOOK_POOL_IS_FULL LOS_ERRNO_OS_ERROR(LOS_MOD_HOOK, 0x00) /** * @ingroup los_hook * Hook error code: Invalid parameter. * * Value: 0x02001f01 * * Solution: Check the input parameters of LOS_HookReg. */ #define LOS_ERRNO_HOOK_REG_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_HOOK, 0x01) /** * @ingroup los_hook * Hook error code: Invalid parameter. * * Value: 0x02001f02 * * Solution: Check the input parameters of LOS_HookUnReg. */ #define LOS_ERRNO_HOOK_UNREG_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_HOOK, 0x02) /** * @ingroup los_hook * @brief Registration of hook function. * * @par Description: * This API is used to register hook function. * * @attention *