kernel_liteos_a/kernel/base/include/los_err_pri.h

128 lines
4.1 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_ERR_PRI_H
#define _LOS_ERR_PRI_H
#include "los_err.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
/**
* @ingroup los_err
* Define the error magic word.
*/
#define OS_ERR_MAGIC_WORD 0xa1b2c3f8
/**
* @ingroup los_err
* @brief Error handling macro capable of returning error codes.
*
* @par Description:
* This API is used to call the error handling function by using an error code and return the same error code.
* @attention
* <ul>
* <li>None.</li>
* </ul>
*
* @param errNo [IN] Error code.
*
* @retval errNo
* @par Dependency:
* <ul><li>los_err_pri.h: the header file that contains the API declaration.</li></ul>
* @see None.
*/
#define OS_RETURN_ERROR(errNo) do { \
(VOID)LOS_ErrHandle("os_unspecific_file", OS_ERR_MAGIC_WORD, errNo, 0, NULL); \
return errNo; \
} while (0)
/**
* @ingroup los_err
* @brief Error handling macro capable of returning error codes.
*
* @par Description:
* This API is used to call the error handling function by using an error code and the line number of
* the erroneous line, and return the same error code.
* @attention
* <ul>
* <li>None.</li>
* </ul>
*
* @param errLine [IN] Line number of the erroneous line.
* @param errNo [IN] Error code.
*
* @retval errNo
* @par Dependency:
* <ul><li>los_err_pri.h: the header file that contains the API declaration.</li></ul>
* @see None.
*/
#define OS_RETURN_ERROR_P2(errLine, errNo) do { \
(VOID)LOS_ErrHandle("os_unspecific_file", errLine, errNo, 0, NULL); \
return errNo; \
} while (0)
/**
* @ingroup los_err
* @brief Macro for jumping to error handler.
*
* @par Description:
* This API is used to call the error handling function by using an error code.
* @attention
* <ul>
* <li>None.</li>
* </ul>
*
* @param errorNo [IN] Error code.
*
* @retval None.
* @par Dependency:
* <ul><li>los_err_pri.h: the header file that contains the API declaration.</li></ul>
* @see None.
*/
#define OS_GOTO_ERR_HANDLER(errorNo) do { \
errNo = errorNo; \
errLine = OS_ERR_MAGIC_WORD; \
goto ERR_HANDLER; \
} while (0)
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_ERR_PRI_H */