138 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			138 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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|  * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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|  *
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|  * Redistribution and use in source and binary forms, with or without modification,
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|  * are permitted provided that the following conditions are met:
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|  *
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|  * 1. Redistributions of source code must retain the above copyright notice, this list of
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|  *    conditions and the following disclaimer.
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|  *
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|  * 2. Redistributions in binary form must reproduce the above copyright notice, this list
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|  *    of conditions and the following disclaimer in the documentation and/or other materials
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|  *    provided with the distribution.
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|  *
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|  * 3. Neither the name of the copyright holder nor the names of its contributors may be used
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|  *    to endorse or promote products derived from this software without specific prior written
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|  *    permission.
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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|  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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|  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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|  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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|  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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|  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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|  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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|  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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|  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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|  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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|  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|  */
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| 
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| #ifndef _LOS_HOOK_H
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| #define _LOS_HOOK_H
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| 
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| #include "internal/los_hook_types.h"
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| #include "los_config.h"
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| #include "los_error.h"
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| 
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| #ifdef __cplusplus
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| #if __cplusplus
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| extern "C" {
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| #endif /* __cplusplus */
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| #endif /* __cplusplus */
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| 
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| #if (LOSCFG_DEBUG_HOOK == 1)
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| /**
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|  * @ingroup los_hook
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|  * Hook error code: The hook pool is insufficient.
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|  *
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|  * Value: 0x02001f00
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|  *
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|  * Solution: Deregister the registered hook.
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|  */
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| #define LOS_ERRNO_HOOK_POOL_IS_FULL             LOS_ERRNO_OS_ERROR(LOS_MOD_HOOK, 0x00)
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| 
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| /**
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|  * @ingroup los_hook
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|  * Hook error code: Invalid parameter.
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|  *
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|  * Value: 0x02001f01
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|  *
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|  * Solution: Check the input parameters of LOS_HookReg.
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|  */
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| #define LOS_ERRNO_HOOK_REG_INVALID              LOS_ERRNO_OS_ERROR(LOS_MOD_HOOK, 0x01)
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| 
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| /**
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|  * @ingroup los_hook
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|  * Hook error code: Invalid parameter.
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|  *
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|  * Value: 0x02001f02
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|  *
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|  * Solution: Check the input parameters of LOS_HookUnReg.
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|  */
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| #define LOS_ERRNO_HOOK_UNREG_INVALID            LOS_ERRNO_OS_ERROR(LOS_MOD_HOOK, 0x02)
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| 
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| /**
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|  * @ingroup los_hook
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|  * @brief Registration of hook function.
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|  *
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|  * @par Description:
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|  * This API is used to register hook function.
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|  *
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|  * @attention
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|  * <ul>
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|  * <li> None.</li>
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|  * </ul>
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|  *
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|  * @param hookType  [IN] Register the type of the hook.
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|  * @param hookFn  [IN] The function to be registered.
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|  *
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|  * @retval None.
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|  * @par Dependency:
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|  * <ul><li>los_hook.h: the header file that contains the API declaration.</li></ul>
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|  * @see
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|  */
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| #define LOS_HookReg(hookType, hookFn)           hookType##_RegHook(hookFn)
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| 
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| /**
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|  * @ingroup los_hook
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|  * @brief Deregistration of hook function.
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|  *
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|  * @par Description:
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|  * This API is used to deregister hook function.
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|  *
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|  * @attention
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|  * <ul>
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|  * <li> None.</li>
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|  * </ul>
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|  *
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|  * @param hookType  [IN] Deregister the type of the hook.
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|  * @param hookFn  [IN] The function to be deregistered.
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|  *
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|  * @retval None.
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|  * @par Dependency:
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|  * <ul><li>los_hook.h: the header file that contains the API declaration.</li></ul>
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|  * @see
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|  */
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| #define LOS_HookUnReg(hookType, hookFn)         hookType##_UnRegHook(hookFn)
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| 
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| /**
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|  * Call hook functions.
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|  */
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| #define OsHookCall(hookType, ...)               hookType##_CallHook(__VA_ARGS__)
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| 
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| #else
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| #define LOS_HookReg(hookType, hookFn)
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| #define LOS_HookUnReg(hookType, hookFn)
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| #define OsHookCall(hookType, ...)
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| #endif
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| 
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| #ifdef __cplusplus
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| #if __cplusplus
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| }
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| #endif /* __cplusplus */
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| #endif /* __cplusplus */
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| 
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| #endif /* _LOS_HOOK_H */
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