wehub-resource-sync
58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
/*
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* ******************************************************************************
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* *
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* *
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* * This program and the accompanying materials are made available under the
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* * terms of the Apache License, Version 2.0 which is available at
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* * https://www.apache.org/licenses/LICENSE-2.0.
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* *
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* * See the NOTICE file distributed with this work for additional
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* * information regarding copyright ownership.
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* * Unless required by applicable law or agreed to in writing, software
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* * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* * License for the specific language governing permissions and limitations
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* * under the License.
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* *
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* * SPDX-License-Identifier: Apache-2.0
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* *****************************************************************************
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*/
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//
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// @author raver119@gmail.com
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//
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#ifndef SD_ARRAY_CONSTANTOFFSETSBUFFER_H_
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#define SD_ARRAY_CONSTANTOFFSETSBUFFER_H_
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#include <array/PointerWrapper.h>
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#include <system/common.h>
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#include <memory>
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namespace sd {
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class SD_LIB_EXPORT ConstantOffsetsBuffer {
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private:
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static constexpr uint32_t MAGIC_VALID = 0xC0FFE575; // "COFFSETS" - magic number for validity check
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uint32_t _magic = 0; // Validity marker to detect use-after-free
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std::shared_ptr<PointerWrapper> _primaryOffsets;
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std::shared_ptr<PointerWrapper> _specialOffsets;
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public:
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ConstantOffsetsBuffer(const std::shared_ptr<PointerWrapper> &primary);
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ConstantOffsetsBuffer(const std::shared_ptr<PointerWrapper> &primary, const std::shared_ptr<PointerWrapper> &special);
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ConstantOffsetsBuffer(); // Default constructor - sets magic number
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~ConstantOffsetsBuffer(); // Need custom destructor to clear magic
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inline bool isValid() const { return _magic == MAGIC_VALID; }
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LongType *primary();
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LongType *special();
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LongType *platform();
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};
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} // namespace sd
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#endif // SD_ARRAY_CONSTANTOFFSETSBUFFER_H_
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