/**

 * Copyright (c) 2025 Huawei Technologies Co., Ltd.

 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of

 * CANN Open Software License Agreement Version 2.0 (the "License").

 * Please refer to the License for details. You may not use this file except in compliance with the License.

 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,

 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.

 * See LICENSE in the root of the software repository for the full text of the License.

 */



#include <iostream>

#include "utils.h"

#include "acl/acl.h"

using namespace std;



// 核函数，让x自增1

extern void EasyOP(uint32_t coreDim, void *stream, uint32_t* x);

// 核函数，执行后出错

extern void ErrorOP(uint32_t blockDim, void *stream);



int main()

{

    int32_t deviceId = 0;

    uint32_t blockDim = 1;

    uint32_t num = 0;

    uint32_t *numDevice = nullptr;

    size_t size = sizeof(uint32_t);

    aclrtStream stream = nullptr;

    aclrtContext context;

    CHECK_ERROR(aclInit(nullptr));

    

    // 申请设备

    CHECK_ERROR(aclrtSetDevice(deviceId));

    CHECK_ERROR(aclrtCreateContext(&context, deviceId));

    CHECK_ERROR(aclrtCreateStream(&stream));

    CHECK_ERROR(aclrtMalloc((void**)&numDevice, size, ACL_MEM_MALLOC_HUGE_FIRST));

    CHECK_ERROR(aclrtMemcpy(numDevice, size, &num, size, ACL_MEMCPY_HOST_TO_DEVICE));

    // 不设置failureMode时下发任务，遇到错误继续执行

    INFO_LOG("Assigning task without failure mode.");

    EasyOP(blockDim, stream, numDevice);

    ErrorOP(blockDim, stream);

    EasyOP(blockDim, stream, numDevice);

    CHECK_ERROR_WITHOUT_RETURN(aclrtSynchronizeStream(stream));

    CHECK_ERROR(aclrtMemcpy(&num, size, numDevice, size, ACL_MEMCPY_DEVICE_TO_HOST));

    // 第二次异常任务后，第三次任务继续执行，所以结果为2

    INFO_LOG("Without failure mode, the result is %d.", num);

    num = 0;

    CHECK_ERROR(aclrtMemcpy(numDevice, size, &num, size, ACL_MEMCPY_HOST_TO_DEVICE));

    // 默认为遇错继续执行，调用该函数设置为遇错即停，当一个任务执行遇到错误，后续任务将不进行

    CHECK_ERROR(aclrtSetStreamFailureMode(stream, ACL_STOP_ON_FAILURE));

    INFO_LOG("Assigning task with failure mode.");

    EasyOP(blockDim, stream, numDevice);

    ErrorOP(blockDim, stream);

    EasyOP(blockDim, stream, numDevice);

    CHECK_ERROR_WITHOUT_RETURN(aclrtSynchronizeStream(stream)); // 同步会出错

    CHECK_ERROR(aclrtMemcpy(&num, size, numDevice, size, ACL_MEMCPY_DEVICE_TO_HOST));

    // 第二次异常任务后，第三次任务被丢弃，所以结果为1

    INFO_LOG("After set failure mode, the current result is: %d.", num);



    // 释放资源

    CHECK_ERROR(aclrtFree(numDevice));

    CHECK_ERROR(aclrtDestroyStreamForce(stream));

    CHECK_ERROR(aclrtDestroyContext(context));

    CHECK_ERROR(aclrtResetDeviceForce(deviceId));

    aclFinalize();

    INFO_LOG("Resource cleanup completed.");

}