VTrain/base/PointerDeleter/PointerDeleter.h

72 lines
2.3 KiB
C++

/*
* Copyright(C) 2020. Huawei Technologies Co.,Ltd. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef POINTER_DELETER_H
#define POINTER_DELETER_H
#include "acl/acl.h"
#include "ErrorCode.h"
#ifndef ENABLE_DVPP_INTERFACE
#define ENABLE_DVPP_INTERFACE
#include "acl/ops/acl_dvpp.h"
#endif
template<typename T, typename F> void SetContextAndFree(T p, aclrtContext &context, APP_ERROR (*freeFunPtr)(F))
{
APP_ERROR ret = aclrtSetCurrentContext(context);
if (ret != APP_ERR_OK) {
LogError << "Fail to set context for deleter.";
return;
}
ret = freeFunPtr(p);
if (ret != APP_ERR_OK) {
LogError << "Fail to free memory. addr " << (void *)p;
return;
}
}
template<typename T, typename F> void AscendDeleter(T p, aclrtContext dstContext, APP_ERROR (*freeFunPtr)(F))
{
aclrtContext curContext;
int32_t deviceId;
APP_ERROR ret = aclrtGetCurrentContext(&curContext);
if (ret != APP_ERR_OK) {
LogDebug << "can not get context for deleter.";
ret = aclrtGetDevice(&deviceId);
if (ret != APP_ERR_OK) {
LogDebug << "current thread not bound to device.";
SetContextAndFree(p, dstContext, freeFunPtr);
} else {
SetContextAndFree(p, dstContext, freeFunPtr);
ret = aclrtSetDevice(deviceId);
if (ret != APP_ERR_OK) {
LogError << "Fail to set device for deleter.";
return;
}
}
} else {
LogDebug << "current thread has context for deleter.";
SetContextAndFree(p, dstContext, freeFunPtr);
ret = aclrtSetCurrentContext(curContext);
if (ret != APP_ERR_OK) {
LogError << "Fail to set context for deleter.";
return;
}
}
}
#endif