Chris@102: #ifndef BOOST_THREAD_QUEUE_BASE_HPP
Chris@102: #define BOOST_THREAD_QUEUE_BASE_HPP
Chris@102: 
Chris@102: //////////////////////////////////////////////////////////////////////////////
Chris@102: //
Chris@102: // (C) Copyright Vicente J. Botet Escriba 2014. Distributed under the Boost
Chris@102: // Software License, Version 1.0. (See accompanying file
Chris@102: // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@102: //
Chris@102: // See http://www.boost.org/libs/thread for documentation.
Chris@102: //
Chris@102: //////////////////////////////////////////////////////////////////////////////
Chris@102: 
Chris@102: #include <boost/thread/detail/config.hpp>
Chris@102: #include <boost/thread/detail/move.hpp>
Chris@102: #include <boost/thread/concurrent_queues/queue_op_status.hpp>
Chris@102: #include <boost/type_traits/conditional.hpp>
Chris@102: #include <boost/type_traits/is_copy_constructible.hpp>
Chris@102: 
Chris@102: 
Chris@102: #include <boost/config/abi_prefix.hpp>
Chris@102: 
Chris@102: namespace boost
Chris@102: {
Chris@102: namespace concurrent
Chris@102: {
Chris@102: namespace detail
Chris@102: {
Chris@102: 
Chris@102:   template <typename ValueType, class SizeType>
Chris@102:   class queue_base_copyable_only
Chris@102:   {
Chris@102:   public:
Chris@102:     typedef ValueType value_type;
Chris@102:     typedef SizeType size_type;
Chris@102: 
Chris@102:     // Constructors/Assignment/Destructors
Chris@102:     virtual ~queue_base_copyable_only() {};
Chris@102: 
Chris@102:     // Observers
Chris@102:     virtual bool empty() const = 0;
Chris@102:     virtual bool full() const = 0;
Chris@102:     virtual size_type size() const = 0;
Chris@102:     virtual bool closed() const = 0;
Chris@102: 
Chris@102:     // Modifiers
Chris@102:     virtual void close() = 0;
Chris@102: 
Chris@102:     virtual void push(const value_type& x) = 0;
Chris@102: 
Chris@102:     virtual void pull(value_type&) = 0;
Chris@102:     virtual value_type pull() = 0;
Chris@102: 
Chris@102:     virtual queue_op_status try_push(const value_type& x) = 0;
Chris@102:     virtual queue_op_status try_pull(value_type&) = 0;
Chris@102: 
Chris@102:     virtual queue_op_status nonblocking_push(const value_type& x) = 0;
Chris@102:     virtual queue_op_status nonblocking_pull(value_type&) = 0;
Chris@102: 
Chris@102:     virtual queue_op_status wait_push(const value_type& x) = 0;
Chris@102:     virtual queue_op_status wait_pull(ValueType& elem) = 0;
Chris@102: 
Chris@102:   };
Chris@102: 
Chris@102:   template <typename ValueType, class SizeType>
Chris@102:   class queue_base_movable_only
Chris@102:   {
Chris@102:   public:
Chris@102:     typedef ValueType value_type;
Chris@102:     typedef SizeType size_type;
Chris@102:     // Constructors/Assignment/Destructors
Chris@102:     virtual ~queue_base_movable_only() {};
Chris@102: 
Chris@102:     // Observers
Chris@102:     virtual bool empty() const = 0;
Chris@102:     virtual bool full() const = 0;
Chris@102:     virtual size_type size() const = 0;
Chris@102:     virtual bool closed() const = 0;
Chris@102: 
Chris@102:     // Modifiers
Chris@102:     virtual void close() = 0;
Chris@102: 
Chris@102:     virtual void pull(value_type&) = 0;
Chris@102:     // enable_if is_nothrow_movable<value_type>
Chris@102:     virtual value_type pull() = 0;
Chris@102: 
Chris@102:     virtual queue_op_status try_pull(value_type&) = 0;
Chris@102: 
Chris@102:     virtual queue_op_status nonblocking_pull(value_type&) = 0;
Chris@102: 
Chris@102:     virtual queue_op_status wait_pull(value_type& elem) = 0;
Chris@102: 
Chris@102:     virtual void push(BOOST_THREAD_RV_REF(value_type) x) = 0;
Chris@102:     virtual queue_op_status try_push(BOOST_THREAD_RV_REF(value_type) x) = 0;
Chris@102:     virtual queue_op_status nonblocking_push(BOOST_THREAD_RV_REF(value_type) x) = 0;
Chris@102:     virtual queue_op_status wait_push(BOOST_THREAD_RV_REF(value_type) x) = 0;
Chris@102:   };
Chris@102: 
Chris@102: 
Chris@102:   template <typename ValueType, class SizeType>
Chris@102:   class queue_base_copyable_and_movable
Chris@102:   {
Chris@102:   public:
Chris@102:     typedef ValueType value_type;
Chris@102:     typedef SizeType size_type;
Chris@102:     // Constructors/Assignment/Destructors
Chris@102:     virtual ~queue_base_copyable_and_movable() {};
Chris@102: 
Chris@102: 
Chris@102:     // Observers
Chris@102:     virtual bool empty() const = 0;
Chris@102:     virtual bool full() const = 0;
Chris@102:     virtual size_type size() const = 0;
Chris@102:     virtual bool closed() const = 0;
Chris@102: 
Chris@102:     // Modifiers
Chris@102:     virtual void close() = 0;
Chris@102: 
Chris@102:     virtual void push(const value_type& x) = 0;
Chris@102: 
Chris@102:     virtual void pull(value_type&) = 0;
Chris@102:     // enable_if is_nothrow_copy_movable<value_type>
Chris@102:     virtual value_type pull() = 0;
Chris@102: 
Chris@102:     virtual queue_op_status try_push(const value_type& x) = 0;
Chris@102:     virtual queue_op_status try_pull(value_type&) = 0;
Chris@102: 
Chris@102:     virtual queue_op_status nonblocking_push(const value_type& x) = 0;
Chris@102:     virtual queue_op_status nonblocking_pull(value_type&) = 0;
Chris@102: 
Chris@102:     virtual queue_op_status wait_push(const value_type& x) = 0;
Chris@102:     virtual queue_op_status wait_pull(value_type& elem) = 0;
Chris@102: 
Chris@102:     virtual void push(BOOST_THREAD_RV_REF(value_type) x) = 0;
Chris@102:     virtual queue_op_status try_push(BOOST_THREAD_RV_REF(value_type) x) = 0;
Chris@102:     virtual queue_op_status nonblocking_push(BOOST_THREAD_RV_REF(value_type) x) = 0;
Chris@102:     virtual queue_op_status wait_push(BOOST_THREAD_RV_REF(value_type) x) = 0;
Chris@102:   };
Chris@102: 
Chris@102:   template <class T, class ST,
Chris@102: #if ! defined  BOOST_NO_CXX11_RVALUE_REFERENCES
Chris@102: #if defined __GNUC__ && ! defined __clang__
Chris@102: #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) || !defined(__GXX_EXPERIMENTAL_CXX0X__)
Chris@102:           bool Copyable = is_copy_constructible<T>::value,
Chris@102:           bool Movable = true
Chris@102: #else
Chris@102:           bool Copyable = std::is_copy_constructible<T>::value && std::is_copy_assignable<T>::value,
Chris@102:           bool Movable = std::is_move_constructible<T>::value && std::is_move_assignable<T>::value
Chris@102: #endif // __GNUC__
Chris@102: #elif defined _MSC_VER
Chris@102: #if _MSC_VER < 1700
Chris@102:           bool Copyable = is_copy_constructible<T>::value,
Chris@102:           bool Movable = true
Chris@102: #else
Chris@102:           bool Copyable = std::is_copy_constructible<T>::value && std::is_copy_assignable<T>::value,
Chris@102:           bool Movable = std::is_move_constructible<T>::value && std::is_move_assignable<T>::value
Chris@102: #endif // _MSC_VER
Chris@102: #else
Chris@102:           bool Copyable = std::is_copy_constructible<T>::value && std::is_copy_assignable<T>::value,
Chris@102:           bool Movable = std::is_move_constructible<T>::value && std::is_move_assignable<T>::value
Chris@102: #endif
Chris@102: #else
Chris@102:           bool Copyable = is_copy_constructible<T>::value,
Chris@102:           bool Movable = has_move_emulation_enabled<T>::value
Chris@102: #endif
Chris@102:       >
Chris@102:   struct queue_base;
Chris@102: 
Chris@102:   template <class T, class ST>
Chris@102:   struct queue_base<T, ST, true, true> {
Chris@102:     typedef queue_base_copyable_and_movable<T, ST> type;
Chris@102:   };
Chris@102:   template <class T, class ST>
Chris@102:   struct queue_base<T, ST, true, false> {
Chris@102:     typedef queue_base_copyable_only<T, ST> type;
Chris@102:   };
Chris@102:   template <class T, class ST>
Chris@102:   struct queue_base<T, ST, false, true> {
Chris@102:     typedef queue_base_movable_only<T, ST> type;
Chris@102:   };
Chris@102: 
Chris@102: }
Chris@102: 
Chris@102:   template <typename ValueType, class SizeType=std::size_t>
Chris@102:   class queue_base :
Chris@102:     public detail::queue_base<ValueType, SizeType>::type
Chris@102:   {
Chris@102:   public:
Chris@102:       typedef ValueType value_type;
Chris@102:       typedef SizeType size_type;
Chris@102:     // Constructors/Assignment/Destructors
Chris@102:     virtual ~queue_base() {};
Chris@102:   };
Chris@102: 
Chris@102: }
Chris@102: using concurrent::queue_base;
Chris@102: 
Chris@102: }
Chris@102: 
Chris@102: #include <boost/config/abi_suffix.hpp>
Chris@102: 
Chris@102: #endif