203 lines
6.1 KiB
C++
203 lines
6.1 KiB
C++
#ifndef BOOST_THREAD_QUEUE_BASE_HPP
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#define BOOST_THREAD_QUEUE_BASE_HPP
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//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Vicente J. Botet Escriba 2014. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/thread for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#include <boost/thread/detail/config.hpp>
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#include <boost/thread/detail/move.hpp>
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#include <boost/thread/concurrent_queues/queue_op_status.hpp>
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#include <boost/type_traits/conditional.hpp>
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#include <boost/type_traits/is_copy_constructible.hpp>
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#include <boost/config/abi_prefix.hpp>
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namespace boost
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{
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namespace concurrent
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{
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namespace detail
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{
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template <typename ValueType, class SizeType>
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class queue_base_copyable_only
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{
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public:
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typedef ValueType value_type;
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typedef SizeType size_type;
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// Constructors/Assignment/Destructors
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virtual ~queue_base_copyable_only() {};
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// Observers
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virtual bool empty() const = 0;
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virtual bool full() const = 0;
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virtual size_type size() const = 0;
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virtual bool closed() const = 0;
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// Modifiers
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virtual void close() = 0;
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virtual void push(const value_type& x) = 0;
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virtual void pull(value_type&) = 0;
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virtual value_type pull() = 0;
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virtual queue_op_status try_push(const value_type& x) = 0;
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virtual queue_op_status try_pull(value_type&) = 0;
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virtual queue_op_status nonblocking_push(const value_type& x) = 0;
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virtual queue_op_status nonblocking_pull(value_type&) = 0;
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virtual queue_op_status wait_push(const value_type& x) = 0;
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virtual queue_op_status wait_pull(ValueType& elem) = 0;
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};
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template <typename ValueType, class SizeType>
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class queue_base_movable_only
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{
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public:
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typedef ValueType value_type;
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typedef SizeType size_type;
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// Constructors/Assignment/Destructors
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virtual ~queue_base_movable_only() {};
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// Observers
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virtual bool empty() const = 0;
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virtual bool full() const = 0;
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virtual size_type size() const = 0;
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virtual bool closed() const = 0;
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// Modifiers
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virtual void close() = 0;
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virtual void pull(value_type&) = 0;
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// enable_if is_nothrow_movable<value_type>
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virtual value_type pull() = 0;
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virtual queue_op_status try_pull(value_type&) = 0;
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virtual queue_op_status nonblocking_pull(value_type&) = 0;
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virtual queue_op_status wait_pull(value_type& elem) = 0;
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virtual void push(BOOST_THREAD_RV_REF(value_type) x) = 0;
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virtual queue_op_status try_push(BOOST_THREAD_RV_REF(value_type) x) = 0;
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virtual queue_op_status nonblocking_push(BOOST_THREAD_RV_REF(value_type) x) = 0;
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virtual queue_op_status wait_push(BOOST_THREAD_RV_REF(value_type) x) = 0;
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};
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template <typename ValueType, class SizeType>
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class queue_base_copyable_and_movable
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{
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public:
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typedef ValueType value_type;
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typedef SizeType size_type;
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// Constructors/Assignment/Destructors
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virtual ~queue_base_copyable_and_movable() {};
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// Observers
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virtual bool empty() const = 0;
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virtual bool full() const = 0;
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virtual size_type size() const = 0;
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virtual bool closed() const = 0;
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// Modifiers
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virtual void close() = 0;
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virtual void push(const value_type& x) = 0;
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virtual void pull(value_type&) = 0;
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// enable_if is_nothrow_copy_movable<value_type>
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virtual value_type pull() = 0;
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virtual queue_op_status try_push(const value_type& x) = 0;
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virtual queue_op_status try_pull(value_type&) = 0;
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virtual queue_op_status nonblocking_push(const value_type& x) = 0;
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virtual queue_op_status nonblocking_pull(value_type&) = 0;
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virtual queue_op_status wait_push(const value_type& x) = 0;
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virtual queue_op_status wait_pull(value_type& elem) = 0;
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virtual void push(BOOST_THREAD_RV_REF(value_type) x) = 0;
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virtual queue_op_status try_push(BOOST_THREAD_RV_REF(value_type) x) = 0;
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virtual queue_op_status nonblocking_push(BOOST_THREAD_RV_REF(value_type) x) = 0;
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virtual queue_op_status wait_push(BOOST_THREAD_RV_REF(value_type) x) = 0;
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};
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template <class T, class ST,
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#if ! defined BOOST_NO_CXX11_RVALUE_REFERENCES
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#if defined __GNUC__ && ! defined __clang__
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#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7) || !defined(__GXX_EXPERIMENTAL_CXX0X__)
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bool Copyable = is_copy_constructible<T>::value,
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bool Movable = true
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#else
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bool Copyable = std::is_copy_constructible<T>::value && std::is_copy_assignable<T>::value,
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bool Movable = std::is_move_constructible<T>::value && std::is_move_assignable<T>::value
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#endif // __GNUC__
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#elif defined _MSC_VER
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#if _MSC_VER < 1700
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bool Copyable = is_copy_constructible<T>::value,
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bool Movable = true
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#else
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bool Copyable = std::is_copy_constructible<T>::value && std::is_copy_assignable<T>::value,
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bool Movable = std::is_move_constructible<T>::value && std::is_move_assignable<T>::value
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#endif // _MSC_VER
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#else
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bool Copyable = std::is_copy_constructible<T>::value && std::is_copy_assignable<T>::value,
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bool Movable = std::is_move_constructible<T>::value && std::is_move_assignable<T>::value
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#endif
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#else
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bool Copyable = is_copy_constructible<T>::value,
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bool Movable = has_move_emulation_enabled<T>::value
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#endif
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>
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struct queue_base;
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template <class T, class ST>
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struct queue_base<T, ST, true, true> {
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typedef queue_base_copyable_and_movable<T, ST> type;
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};
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template <class T, class ST>
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struct queue_base<T, ST, true, false> {
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typedef queue_base_copyable_only<T, ST> type;
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};
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template <class T, class ST>
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struct queue_base<T, ST, false, true> {
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typedef queue_base_movable_only<T, ST> type;
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};
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}
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template <typename ValueType, class SizeType=std::size_t>
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class queue_base :
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public detail::queue_base<ValueType, SizeType>::type
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{
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public:
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typedef ValueType value_type;
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typedef SizeType size_type;
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// Constructors/Assignment/Destructors
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virtual ~queue_base() {};
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};
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}
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using concurrent::queue_base;
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}
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#include <boost/config/abi_suffix.hpp>
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#endif
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