mindspore2022/mindspore/ccsrc/dataset/util/memory_pool.cc

58 lines
1.7 KiB
C++

/**
* Copyright 2019 Huawei Technologies Co., Ltd
*
* 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.
*/
#include "dataset/util/memory_pool.h"
#include "./securec.h"
namespace mindspore {
namespace dataset {
Status DeMalloc(std::size_t s, void **p, bool init_to_zero = false) {
if (p == nullptr) {
RETURN_STATUS_UNEXPECTED("p is null");
}
void *q = ::malloc(s);
if (q == nullptr) {
return Status(StatusCode::kOutOfMemory, __LINE__, __FILE__);
} else {
*p = q;
if (init_to_zero) {
(void)memset_s(q, s, 0, s);
}
return Status::OK();
}
}
} // namespace dataset
} // namespace mindspore
void *operator new(std::size_t s, mindspore::dataset::Status *rc, std::shared_ptr<mindspore::dataset::MemoryPool> b) {
void *ptr = nullptr;
*rc = b->Allocate(s, &ptr);
return ptr;
}
void *operator new[](std::size_t s, mindspore::dataset::Status *rc, std::shared_ptr<mindspore::dataset::MemoryPool> b) {
void *ptr = nullptr;
*rc = b->Allocate(s, &ptr);
return ptr;
}
void operator delete(void *p, std::shared_ptr<mindspore::dataset::MemoryPool> b) {
if (p != nullptr) b->Deallocate(p);
}
void operator delete[](void *p, std::shared_ptr<mindspore::dataset::MemoryPool> b) {
if (p != nullptr) b->Deallocate(p);
}