68 lines
3.2 KiB
C
68 lines
3.2 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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#include "los_hook.h"
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#include "internal/los_hook_types_parse.h"
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#if (LOSCFG_DEBUG_HOOK == 1)
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#define LOS_HOOK_TYPE_DEF(type, paramList) \
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STATIC type##_FN g_fn##type; \
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UINT32 type##_RegHook(type##_FN func) { \
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if ((func) == NULL) { \
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return LOS_ERRNO_HOOK_REG_INVALID; \
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} \
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if (g_fn##type) { \
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return LOS_ERRNO_HOOK_POOL_IS_FULL; \
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} \
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g_fn##type = (func); \
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return LOS_OK; \
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} \
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UINT32 type##_UnRegHook(type##_FN func) { \
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if (((func) == NULL) || (g_fn##type != (func))) { \
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return LOS_ERRNO_HOOK_UNREG_INVALID; \
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} \
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g_fn##type = NULL; \
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return LOS_OK; \
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} \
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VOID type##_CallHook paramList { \
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if (g_fn##type) { \
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g_fn##type(PARAM_TO_ARGS paramList); \
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} \
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}
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LOS_HOOK_ALL_TYPES_DEF;
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#undef LOS_HOOK_TYPE_DEF
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#endif /* LOSCFG_DEBUG_HOOK */
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