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2026-07-13 12:47:05 +08:00

72 lines
2.5 KiB
C++

/*
* ******************************************************************************
* *
* *
* * This program and the accompanying materials are made available under the
* * terms of the Apache License, Version 2.0 which is available at
* * https://www.apache.org/licenses/LICENSE-2.0.
* *
* * See the NOTICE file distributed with this work for additional
* * information regarding copyright ownership.
* * 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.
* *
* * SPDX-License-Identifier: Apache-2.0
* *****************************************************************************
*/
//
// @author raver119@gmail.com
//
#include <array/ConstantOffsetsBuffer.h>
namespace sd {
ConstantOffsetsBuffer::ConstantOffsetsBuffer(const std::shared_ptr<PointerWrapper> &primary)
: ConstantOffsetsBuffer(primary, std::shared_ptr<PointerWrapper>(nullptr)) {
//
}
ConstantOffsetsBuffer::ConstantOffsetsBuffer(const std::shared_ptr<PointerWrapper> &primary,
const std::shared_ptr<PointerWrapper> &special) {
_magic = MAGIC_VALID; // Mark as valid/constructed
_primaryOffsets = primary;
_specialOffsets = special;
}
ConstantOffsetsBuffer::ConstantOffsetsBuffer() {
_magic = MAGIC_VALID; // Mark default-constructed objects as valid
// shared_ptr members are automatically initialized to nullptr
}
ConstantOffsetsBuffer::~ConstantOffsetsBuffer() {
_magic = 0xDEADBEEF; // Mark as destroyed - helps detect use-after-free
}
LongType *ConstantOffsetsBuffer::primary() {
// Check magic number first to detect use-after-free (dangling pointers)
if (!isValid()) {
THROW_EXCEPTION("ConstantOffsetsBuffer::primary: Object has been destroyed! Use-after-free detected (magic number check failed).");
}
if (_primaryOffsets == nullptr || !_primaryOffsets) {
THROW_EXCEPTION("ConstantOffsetsBuffer::primary: _primaryOffsets is nullptr! Buffer was likely already destroyed.");
}
return reinterpret_cast<LongType *>(_primaryOffsets->pointer());
}
LongType *ConstantOffsetsBuffer::special() {
return _specialOffsets ? reinterpret_cast<LongType *>(_specialOffsets->pointer()) : nullptr;
}
LongType *ConstantOffsetsBuffer::platform() {
#ifdef SD_CUDA
return special();
#else
return primary();
#endif // CUDABLAS
}
} // namespace sd