142 lines
4.0 KiB
C
142 lines
4.0 KiB
C
/*
|
|
* 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
|
|
* <ul>
|
|
* <li> None.</li>
|
|
* </ul>
|
|
*
|
|
* @param hookType [IN] Register the type of the hook.
|
|
* @param hookFn [IN] The function to be registered.
|
|
*
|
|
* @retval None.
|
|
* @par Dependency:
|
|
* <ul><li>los_hook.h: the header file that contains the API declaration.</li></ul>
|
|
* @see
|
|
*/
|
|
#define LOS_HookReg(hookType, hookFn) hookType##_RegHook(hookFn)
|
|
|
|
/**
|
|
* @ingroup los_hook
|
|
* @brief Deregistration of hook function.
|
|
*
|
|
* @par Description:
|
|
* This API is used to deregister hook function.
|
|
*
|
|
* @attention
|
|
* <ul>
|
|
* <li> None.</li>
|
|
* </ul>
|
|
*
|
|
* @param hookType [IN] Deregister the type of the hook.
|
|
* @param hookFn [IN] The function to be deregistered.
|
|
*
|
|
* @retval None.
|
|
* @par Dependency:
|
|
* <ul><li>los_hook.h: the header file that contains the API declaration.</li></ul>
|
|
* @see
|
|
*/
|
|
#define LOS_HookUnReg(hookType, hookFn) hookType##_UnRegHook(hookFn)
|
|
|
|
/**
|
|
* Call hook functions.
|
|
*/
|
|
#define OsHookCall(hookType, ...) hookType##_CallHook(__VA_ARGS__)
|
|
|
|
#else
|
|
#define LOS_HookReg(hookType, hookFn)
|
|
#define LOS_HookUnReg(hookType, hookFn)
|
|
#define OsHookCall(hookType, ...)
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
#if __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
#endif /* __cplusplus */
|
|
|
|
#endif /* _LOS_HOOK_H */
|