// Copyright (C) 2014 Ian Forbed
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// Copyright (C) 2014 Vicente J. Botet Escriba
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BOOST_THREAD_EXECUTORS_DETAIL_PRIORITY_EXECUTOR_BASE_HPP
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#define BOOST_THREAD_EXECUTORS_DETAIL_PRIORITY_EXECUTOR_BASE_HPP
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#include <boost/atomic.hpp>
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#include <boost/function.hpp>
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#include <boost/thread/thread.hpp>
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#include <boost/thread/concurrent_queues/sync_timed_queue.hpp>
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#include <boost/thread/executors/work.hpp>
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namespace boost
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{
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namespace executors
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{
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namespace detail
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{
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template <class Queue>
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class priority_executor_base
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{
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public:
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//typedef boost::function<void()> work;
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typedef executors::work_pq work;
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protected:
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typedef Queue queue_type;
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queue_type _workq;
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priority_executor_base() {}
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public:
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~priority_executor_base()
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{
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if(!closed())
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{
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this->close();
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}
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}
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void close()
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{
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_workq.close();
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}
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bool closed()
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{
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return _workq.closed();
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}
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void loop()
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{
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try
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{
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for(;;)
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{
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try {
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work task;
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queue_op_status st = _workq.wait_pull(task);
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if (st == queue_op_status::closed) return;
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task();
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}
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catch (boost::thread_interrupted&)
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{
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return;
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}
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}
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}
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catch (...)
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{
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std::terminate();
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return;
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}
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}
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}; //end class
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} //end detail namespace
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} //end executors namespace
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} //end boost namespace
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#endif
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