kernel_liteos_a1/kernel/include/los_errno.h

113 lines
3.2 KiB
C

/*
* Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, 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.
*/
/**
* @defgroup los_errno Error code
* @ingroup kernel
*/
#ifndef _LOS_ERRNO_H
#define _LOS_ERRNO_H
#include "los_typedef.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
/**
* @ingroup los_errno
* OS error code flag.
*/
#define LOS_ERRNO_OS_ID (0x00U << 16)
/**
* @ingroup los_errno
* Define the error level as informative.
*/
#define LOS_ERRTYPE_NORMAL (0x00U << 24)
/**
* @ingroup los_errno
* Define the error level as warning.
*/
#define LOS_ERRTYPE_WARN (0x01U << 24)
/**
* @ingroup los_errno
* Define the error level as critical.
*/
#define LOS_ERRTYPE_ERROR (0x02U << 24)
/**
* @ingroup los_errno
* Define the error level as fatal.
*/
#define LOS_ERRTYPE_FATAL (0x03U << 24)
/**
* @ingroup los_errno
* Define fatal OS errors.
*/
#define LOS_ERRNO_OS_FATAL(MID, ERRNO) \
(LOS_ERRTYPE_FATAL | LOS_ERRNO_OS_ID | ((UINT32)(MID) << 8) | ((UINT32)(ERRNO)))
/**
* @ingroup los_errno
* Define critical OS errors.
*/
#define LOS_ERRNO_OS_ERROR(MID, ERRNO) \
(LOS_ERRTYPE_ERROR | LOS_ERRNO_OS_ID | ((UINT32)(MID) << 8) | ((UINT32)(ERRNO)))
/**
* @ingroup los_errno
* Define warning OS errors.
*/
#define LOS_ERRNO_OS_WARN(MID, ERRNO) \
(LOS_ERRTYPE_WARN | LOS_ERRNO_OS_ID | ((UINT32)(MID) << 8) | ((UINT32)(ERRNO)))
/**
* @ingroup los_errno
* Define informative OS errors.
*/
#define LOS_ERRNO_OS_NORMAL(MID, ERRNO) \
(LOS_ERRTYPE_NORMAL | LOS_ERRNO_OS_ID | ((UINT32)(MID) << 8) | ((UINT32)(ERRNO)))
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_ERRNO_H */