| 1 | //===----------------------------------------------------------------------===// |
| 2 | // DuckDB |
| 3 | // |
| 4 | // duckdb/storage/table/segment_lock.hpp |
| 5 | // |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #pragma once |
| 10 | |
| 11 | #include "duckdb/common/constants.hpp" |
| 12 | #include "duckdb/common/mutex.hpp" |
| 13 | |
| 14 | namespace duckdb { |
| 15 | |
| 16 | struct SegmentLock { |
| 17 | public: |
| 18 | SegmentLock() { |
| 19 | } |
| 20 | SegmentLock(mutex &lock) : lock(lock) { |
| 21 | } |
| 22 | // disable copy constructors |
| 23 | SegmentLock(const SegmentLock &other) = delete; |
| 24 | SegmentLock &operator=(const SegmentLock &) = delete; |
| 25 | //! enable move constructors |
| 26 | SegmentLock(SegmentLock &&other) noexcept { |
| 27 | std::swap(x&: lock, y&: other.lock); |
| 28 | } |
| 29 | SegmentLock &operator=(SegmentLock &&other) noexcept { |
| 30 | std::swap(x&: lock, y&: other.lock); |
| 31 | return *this; |
| 32 | } |
| 33 | |
| 34 | private: |
| 35 | unique_lock<mutex> lock; |
| 36 | }; |
| 37 | |
| 38 | } // namespace duckdb |
| 39 | |