/* ----------------------------------------------------------------------------
 * Copyright (c) Huawei Technologies Co., Ltd. 2013-2019. All rights reserved.
 * Description: Error Handling
 * Author: Huawei LiteOS Team
 * Create: 2013-01-01
 * 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.
 * --------------------------------------------------------------------------- */
/*这段代码是关于错误处理的相关功能，包括注册错误处理函数和执行错误处理的函数。
通过以下接口，用户可以自定义错误处理函数，并在发生错误时进行相应的处理操作。这样可以增强系统的健壮性和容错性，更好地应对各种错误情况。*/
#include "los_err.h"

#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */

/* Hook function for error handling. */
//g_usrErrFunc：全局变量，用于保存用户注册的错误处理函数
LITE_OS_SEC_BSS LOS_ERRORHANDLE_FUNC g_usrErrFunc;
//LOS_ErrHandle：用于执行错误处理的函数，当系统出现错误时会调用该函数来处理错误信息
LITE_OS_SEC_TEXT_INIT UINT32 LOS_ErrHandle(CHAR *fileName, UINT32 lineNo, UINT32 errorNo,
                                           UINT32 paraLen, VOID *para)
{
    if (g_usrErrFunc != NULL) {
        g_usrErrFunc(fileName, lineNo, errorNo, paraLen, para);
    }

    return LOS_OK;
}
//LOS_RegErrHandle：用于注册错误处理函数的接口，用户可以通过该函数注册自定义的错误处理函数
LITE_OS_SEC_TEXT_INIT VOID LOS_RegErrHandle(LOS_ERRORHANDLE_FUNC func)
{
    g_usrErrFunc = func;
}

#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
