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 | |