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-#ifndef BOOST_THREAD_CONCURRENT_QUEUES_DETAIL_SYNC_DEQUE_BASE_HPP
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-#define BOOST_THREAD_CONCURRENT_QUEUES_DETAIL_SYNC_DEQUE_BASE_HPP
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-
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-//////////////////////////////////////////////////////////////////////////////
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-//
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-// (C) Copyright Vicente J. Botet Escriba 2013-2017. 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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-
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-#include <boost/bind.hpp>
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-
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-#include <boost/thread/detail/config.hpp>
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-#include <boost/thread/condition_variable.hpp>
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-#include <boost/thread/detail/move.hpp>
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-#include <boost/thread/mutex.hpp>
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-#include <boost/thread/concurrent_queues/queue_op_status.hpp>
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-
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-#include <boost/chrono/time_point.hpp>
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-#include <boost/throw_exception.hpp>
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-
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-#include <boost/config/abi_prefix.hpp>
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-
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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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-
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- template <class ValueType, class Queue>
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- class sync_deque_base
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- {
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- public:
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- typedef ValueType value_type;
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- typedef Queue underlying_queue_type;
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- typedef typename Queue::size_type size_type;
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- typedef queue_op_status op_status;
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-
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- // Constructors/Assignment/Destructors
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- BOOST_THREAD_NO_COPYABLE(sync_deque_base)
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- inline sync_deque_base();
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- //template <typename Range>
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- //inline explicit sync_deque(Range range);
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- inline ~sync_deque_base();
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-
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- // Observers
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- inline bool empty() const;
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- inline bool full() const;
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- inline size_type size() const;
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- inline bool closed() const;
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-
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- // Modifiers
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- inline void close();
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-
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- inline underlying_queue_type underlying_queue() {
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- lock_guard<mutex> lk(mtx_);
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- return boost::move(data_);
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- }
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-
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- protected:
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- mutable mutex mtx_;
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- condition_variable not_empty_;
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- underlying_queue_type data_;
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- bool closed_;
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-
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- inline bool empty(unique_lock<mutex>& ) const BOOST_NOEXCEPT
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- {
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- return data_.empty();
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- }
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- inline bool empty(lock_guard<mutex>& ) const BOOST_NOEXCEPT
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- {
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- return data_.empty();
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- }
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-
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- inline size_type size(lock_guard<mutex>& ) const BOOST_NOEXCEPT
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- {
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- return data_.size();
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- }
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- inline bool closed(unique_lock<mutex>& lk) const;
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- inline bool closed(lock_guard<mutex>& lk) const;
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-
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- inline void throw_if_closed(unique_lock<mutex>&);
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- inline void throw_if_closed(lock_guard<mutex>&);
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-
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- inline bool not_empty_or_closed(unique_lock<mutex>& ) const;
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-
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- inline bool wait_until_not_empty_or_closed(unique_lock<mutex>& lk);
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- template <class WClock, class Duration>
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- queue_op_status wait_until_not_empty_or_closed_until(unique_lock<mutex>& lk, chrono::time_point<WClock,Duration> const&tp);
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- template <class WClock, class Duration>
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- queue_op_status wait_until_closed_until(unique_lock<mutex>& lk, chrono::time_point<WClock,Duration> const&tp);
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-
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- inline void notify_not_empty_if_needed(unique_lock<mutex>& )
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- {
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- not_empty_.notify_one();
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- }
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- inline void notify_not_empty_if_needed(lock_guard<mutex>& )
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- {
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- not_empty_.notify_one();
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- }
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-
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- };
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-
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- template <class ValueType, class Queue>
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- sync_deque_base<ValueType, Queue>::sync_deque_base() :
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- data_(), closed_(false)
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- {
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- BOOST_ASSERT(data_.empty());
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- }
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-
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- template <class ValueType, class Queue>
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- sync_deque_base<ValueType, Queue>::~sync_deque_base()
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- {
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- }
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-
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- template <class ValueType, class Queue>
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- void sync_deque_base<ValueType, Queue>::close()
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- {
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- {
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- lock_guard<mutex> lk(mtx_);
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- closed_ = true;
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- }
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- not_empty_.notify_all();
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- }
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-
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- template <class ValueType, class Queue>
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- bool sync_deque_base<ValueType, Queue>::closed() const
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- {
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- lock_guard<mutex> lk(mtx_);
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- return closed(lk);
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- }
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- template <class ValueType, class Queue>
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- bool sync_deque_base<ValueType, Queue>::closed(unique_lock<mutex>&) const
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- {
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- return closed_;
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- }
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- template <class ValueType, class Queue>
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- bool sync_deque_base<ValueType, Queue>::closed(lock_guard<mutex>&) const
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- {
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- return closed_;
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- }
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-
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- template <class ValueType, class Queue>
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- bool sync_deque_base<ValueType, Queue>::empty() const
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- {
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- lock_guard<mutex> lk(mtx_);
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- return empty(lk);
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- }
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- template <class ValueType, class Queue>
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- bool sync_deque_base<ValueType, Queue>::full() const
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- {
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- return false;
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- }
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-
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- template <class ValueType, class Queue>
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- typename sync_deque_base<ValueType, Queue>::size_type sync_deque_base<ValueType, Queue>::size() const
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- {
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- lock_guard<mutex> lk(mtx_);
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- return size(lk);
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- }
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-
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- template <class ValueType, class Queue>
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- void sync_deque_base<ValueType, Queue>::throw_if_closed(unique_lock<mutex>& lk)
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- {
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- if (closed(lk))
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- {
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- BOOST_THROW_EXCEPTION( sync_deque_is_closed() );
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- }
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- }
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- template <class ValueType, class Queue>
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- void sync_deque_base<ValueType, Queue>::throw_if_closed(lock_guard<mutex>& lk)
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- {
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- if (closed(lk))
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- {
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- BOOST_THROW_EXCEPTION( sync_deque_is_closed() );
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- }
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- }
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-
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- template <class ValueType, class Queue>
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- bool sync_deque_base<ValueType, Queue>::not_empty_or_closed(unique_lock<mutex>& ) const
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- {
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- return ! data_.empty() || closed_;
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- }
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-
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- template <class ValueType, class Queue>
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- bool sync_deque_base<ValueType, Queue>::wait_until_not_empty_or_closed(unique_lock<mutex>& lk)
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- {
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- not_empty_.wait(lk, boost::bind(&sync_deque_base<ValueType, Queue>::not_empty_or_closed, boost::ref(*this), boost::ref(lk)));
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- if (! empty(lk)) return false; // success
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- return true; // closed
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- }
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-
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- template <class ValueType, class Queue>
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- template <class WClock, class Duration>
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- queue_op_status sync_deque_base<ValueType, Queue>::wait_until_not_empty_or_closed_until(unique_lock<mutex>& lk, chrono::time_point<WClock,Duration> const&tp)
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- {
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- if (! not_empty_.wait_until(lk, tp, boost::bind(&sync_deque_base<ValueType, Queue>::not_empty_or_closed, boost::ref(*this), boost::ref(lk))))
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- return queue_op_status::timeout;
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- if (! empty(lk)) return queue_op_status::success;
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- return queue_op_status::closed;
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- }
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-
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- template <class ValueType, class Queue>
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- template <class WClock, class Duration>
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- queue_op_status sync_deque_base<ValueType, Queue>::wait_until_closed_until(unique_lock<mutex>& lk, chrono::time_point<WClock,Duration> const&tp)
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- {
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- bool (sync_queue_base<ValueType, Queue>::*closed_function_ptr)(unique_lock<mutex>&) const = &sync_queue_base<ValueType, Queue>::closed;
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- if (! not_empty_.wait_until(lk, tp, boost::bind(closed_function_ptr, boost::ref(*this), boost::ref(lk))))
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- return queue_op_status::timeout;
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- return queue_op_status::closed;
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- }
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-
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-} // detail
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-} // concurrent
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-} // boost
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-
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-#include <boost/config/abi_suffix.hpp>
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-
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-#endif
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