Ich habe ein Problem mit der Platzierungboost::lockfree::queue<<T, fixed_sized<false>, ..> im gemeinsamen Speicher. Ich brauche es, weil ich in der Lage sein muss, mehr als 65535 Nachrichten in die Warteschlange einzufügen, und die Warteschlange mit fester Größe ist auf 65535 begrenzt.
Der folgende Code funktioniert ordnungsgemäß (abercapacity<...> Option impliziertfixed_sized<true>):

typedef boost::interprocess::allocator<
    MessageT, 
    boost::interprocess::managed_shared_memory::segment_manager>
        ShmemAllocator;
typedef boost::lockfree::queue<
    MessageT,
    boost::lockfree::capacity<65535>,
    boost::lockfree::allocator<ShmemAllocator> >
        Queue;
m_segment = new boost::interprocess::managed_shared_memory(
    boost::interprocess::create_only, segmentName, size);
Queue* m_queue = m_segment->construct<Queue>(
    queueName)(
    m_segment->get_segment_manager());
...
m_queue->bounded_push(message);

Der folgende Code funktioniert auch ordnungsgemäß (verwendet jedoch keinen gemeinsamen Speicher):

boost::lockfree::queue<MessageT> q;
....
q.bounded_push(message);

Aber wenn ich es zu kombinieren versuche:

typedef boost::interprocess::allocator<
    MessageT, 
    boost::interprocess::managed_shared_memory::segment_manager>
        ShmemAllocator;
typedef boost::lockfree::queue<
    MessageT,
    boost::lockfree::allocator<ShmemAllocator> >
        Queue;
m_segment = new boost::interprocess::managed_shared_memory(
    boost::interprocess::create_only, segmentName, size);
Queue* m_queue = m_segment->construct<Queue>(
    queueName)(
    m_segment->get_segment_manager());
...
m_queue->bounded_push(message);

Es kann nicht mit dem folgenden Protokoll kompiliert werden:

In file included from src/model/Queue.h:16:

In file included from /home/uppi/lib/include/boost/lockfree/queue.hpp:24:

/home/uppi/lib/include/boost/lockfree/detail/freelist.hpp:171:28: error: no viable conversion from 'pointer' (aka 'offset_ptr<boost::lockfree::queue<PacketMessage,
      boost::lockfree::allocator<boost::interprocess::allocator<PacketMessage, boost::interprocess::segment_manager<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family,
      boost::interprocess::offset_ptr<void, long, unsigned long, 0>, 0>, iset_index> > >, boost::parameter::void_, boost::parameter::void_>::node, long, unsigned long, 0UL>') to
      'boost::lockfree::queue<PacketMessage, boost::lockfree::allocator<boost::interprocess::allocator<PacketMessage, boost::interprocess::segment_manager<char,
      boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void, long, unsigned long, 0>, 0>, iset_index> > >, boost::parameter::void_,
      boost::parameter::void_>::node *'
                    return Alloc::allocate(1);
                           ~~~~~~~~~~~~~~~~~

/home/uppi/lib/include/boost/lockfree/detail/freelist.hpp:157:20: note: in instantiation of function template specialization 'boost::lockfree::detail::freelist_stack<boost::lockfree::queue<PacketMessage,
      boost::lockfree::allocator<boost::interprocess::allocator<PacketMessage, boost::interprocess::segment_manager<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family,
      boost::interprocess::offset_ptr<void, long, unsigned long, 0>, 0>, iset_index> > >, boost::parameter::void_, boost::parameter::void_>::node,
      boost::interprocess::allocator<boost::lockfree::queue<PacketMessage, boost::lockfree::allocator<boost::interprocess::allocator<PacketMessage, boost::interprocess::segment_manager<char,
      boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void, long, unsigned long, 0>, 0>, iset_index> > >, boost::parameter::void_,
      boost::parameter::void_>::node, boost::interprocess::segment_manager<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void, long, unsigned
      long, 0>, 0>, iset_index> > >::allocate_impl<true>' requested here
            return allocate_impl<Bounded>();


/home/uppi/lib/include/boost/lockfree/detail/freelist.hpp:89:20: note: in instantiation of function template specialization 'boost::lockfree::detail::freelist_stack<boost::lockfree::queue<PacketMessage,
      boost::lockfree::allocator<boost::interprocess::allocator<PacketMessage, boost::interprocess::segment_manager<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family,
      boost::interprocess::offset_ptr<void, long, unsigned long, 0>, 0>, iset_index> > >, boost::parameter::void_, boost::parameter::void_>::node,
      boost::interprocess::allocator<boost::lockfree::queue<PacketMessage, boost::lockfree::allocator<boost::interprocess::allocator<PacketMessage, boost::interprocess::segment_manager<char,
      boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void, long, unsigned long, 0>, 0>, iset_index> > >, boost::parameter::void_,
      boost::parameter::void_>::node, boost::interprocess::segment_manager<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void, long, unsigned
      long, 0>, 0>, iset_index> > >::allocate<true, true>' requested here
        T * node = allocate<ThreadSafe, Bounded>();


/home/uppi/lib/include/boost/lockfree/queue.hpp:281:34: note: in instantiation of function template specialization 'boost::lockfree::detail::freelist_stack<boost::lockfree::queue<PacketMessage,
      boost::lockfree::allocator<boost::interprocess::allocator<PacketMessage, boost::interprocess::segment_manager<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family,
      boost::interprocess::offset_ptr<void, long, unsigned long, 0>, 0>, iset_index> > >, boost::parameter::void_, boost::parameter::void_>::node,
      boost::interprocess::allocator<boost::lockfree::queue<PacketMessage, boost::lockfree::allocator<boost::interprocess::allocator<PacketMessage, boost::interprocess::segment_manager<char,
      boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void, long, unsigned long, 0>, 0>, iset_index> > >, boost::parameter::void_,
      boost::parameter::void_>::node, boost::interprocess::segment_manager<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void, long, unsigned
      long, 0>, 0>, iset_index> > >::construct<true, true, PacketMessage, boost::lockfree::queue<PacketMessage, boost::lockfree::allocator<boost::interprocess::allocator<PacketMessage,
      boost::interprocess::segment_manager<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void, long, unsigned long, 0>, 0>, iset_index> > >,
      boost::parameter::void_, boost::parameter::void_>::node *>' requested here
        node * n = pool.template construct<true, Bounded>(t, pool.null_handle());


/home/uppi/lib/include/boost/lockfree/queue.hpp:270:16: note: in instantiation of function template specialization 'boost::lockfree::queue<PacketMessage,
      boost::lockfree::allocator<boost::interprocess::allocator<PacketMessage, boost::interprocess::segment_manager<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family,
      boost::interprocess::offset_ptr<void, long, unsigned long, 0>, 0>, iset_index> > >, boost::parameter::void_, boost::parameter::void_>::do_push<true>' requested here
        return do_push<true>(t);


src/model/Queue.inl:4:18: note: in instantiation of member function 'boost::lockfree::queue<PacketMessage, boost::lockfree::allocator<boost::interprocess::allocator<PacketMessage,
      boost::interprocess::segment_manager<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void, long, unsigned long, 0>, 0>, iset_index> > >,
      boost::parameter::void_, boost::parameter::void_>::bounded_push' requested here
        return m_queue->bounded_push(message);                         

/home/uppi/lib/include/boost/interprocess/offset_ptr.hpp:450:4: note: candidate function
   operator unspecified_bool_type() const

Bitte sag mir was ich vermisse