pop_lockfree()

template<typename T , typename StoragePolicy , typename ConcurrencyPolicy = SingleThreadedPolicy, typename AccessPattern = QueueAccess>

std::optional< T > MayaFlux::Memory::RingBuffer< T, StoragePolicy, ConcurrencyPolicy, AccessPattern >::pop_lockfree ( )

inlineprivatenoexcept

Definition at line 1152 of file RingBuffer.hpp.

    {
        auto read = m_state.read_index.load(std::memory_order_relaxed);
 
        if (read == m_state.write_index.load(std::memory_order_acquire)) {
            return std::nullopt;
        }
 
        T value = m_storage.buffer[read];
        m_state.read_index.store(
            State::increment(read, m_storage.capacity()),
            std::memory_order_release);
 
        return value;
    }

References MayaFlux::Memory::RingBuffer< T, StoragePolicy, ConcurrencyPolicy, AccessPattern >::m_state, MayaFlux::Memory::RingBuffer< T, StoragePolicy, ConcurrencyPolicy, AccessPattern >::m_storage, and value.

Referenced by MayaFlux::Memory::RingBuffer< T, StoragePolicy, ConcurrencyPolicy, AccessPattern >::pop().

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