uniq_lock.h

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#pragma once
 
#include <mutex>
 
namespace kuzu {
namespace common {
 
struct UniqLock {
    UniqLock() {}
    explicit UniqLock(std::mutex& mtx) : lck{mtx} {}
 
    UniqLock(const UniqLock&) = delete;
    UniqLock& operator=(const UniqLock&) = delete;
 
    UniqLock(UniqLock&& other) noexcept { std::swap(lck, other.lck); }
    UniqLock& operator=(UniqLock&& other) noexcept {
        std::swap(lck, other.lck);
        return *this;
    }
    bool isLocked() const { return lck.owns_lock(); }
 
private:
    std::unique_lock<std::mutex> lck;
};
 
} // namespace common
} // namespace kuzu