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+// Copyright (C) 2013,2014 Vicente J. Botet Escriba
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// 2013/09 Vicente J. Botet Escriba
+// Adapt to boost from CCIA C++11 implementation
+
+#ifndef BOOST_THREAD_EXECUTORS_EXECUTOR_ADAPTOR_HPP
+#define BOOST_THREAD_EXECUTORS_EXECUTOR_ADAPTOR_HPP
+
+#include <boost/thread/detail/config.hpp>
+
+#include <boost/thread/executors/executor.hpp>
+
+#include <boost/config/abi_prefix.hpp>
+
+namespace boost
+{
+namespace executors
+{
+ /**
+ * Polymorphic adaptor of a model of Executor to an executor.
+ */
+ template <typename Executor>
+ class executor_adaptor : public executor
+ {
+ Executor ex;
+ public:
+ /// type-erasure to store the works to do
+ typedef executor::work work;
+
+ /// executor is not copyable.
+ BOOST_THREAD_NO_COPYABLE(executor_adaptor)
+
+ /**
+ * executor_adaptor constructor
+ */
+#if ! defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+ template <typename ...Args>
+ executor_adaptor(BOOST_THREAD_RV_REF(Args) ... args) : ex(boost::forward<Args>(args)...) {}
+#else
+ /**
+ * executor_adaptor constructor
+ */
+ executor_adaptor() : ex() {}
+
+ template <typename A1>
+ executor_adaptor(
+ BOOST_THREAD_FWD_REF(A1) a1
+ ) :
+ ex(
+ boost::forward<A1>(a1)
+ ) {}
+ template <typename A1, typename A2>
+ executor_adaptor(
+ BOOST_THREAD_FWD_REF(A1) a1,
+ BOOST_THREAD_FWD_REF(A2) a2
+ ) :
+ ex(
+ boost::forward<A1>(a1),
+ boost::forward<A2>(a2)
+ ) {}
+ template <typename A1, typename A2, typename A3>
+ executor_adaptor(
+ BOOST_THREAD_FWD_REF(A1) a1,
+ BOOST_THREAD_FWD_REF(A2) a2,
+ BOOST_THREAD_FWD_REF(A3) a3
+ ) :
+ ex(
+ boost::forward<A1>(a1),
+ boost::forward<A2>(a2),
+ boost::forward<A3>(a3)
+ ) {}
+#endif
+ Executor& underlying_executor() { return ex; }
+
+ /**
+ * \b Effects: close the \c executor for submissions.
+ * The worker threads will work until there is no more closures to run.
+ */
+ void close() { ex.close(); }
+
+ /**
+ * \b Returns: whether the pool is closed for submissions.
+ */
+ bool closed() { return ex.closed(); }
+
+ /**
+ * \b Effects: The specified closure will be scheduled for execution at some point in the future.
+ * If invoked closure throws an exception the executor will call std::terminate, as is the case with threads.
+ *
+ * \b Synchronization: completion of closure on a particular thread happens before destruction of thread's thread local variables.
+ *
+ * \b Throws: \c sync_queue_is_closed if the thread pool is closed.
+ * Whatever exception that can be throw while storing the closure.
+ */
+ void submit(BOOST_THREAD_RV_REF(work) closure) {
+ return ex.submit(boost::move(closure));
+ }
+// void submit(work & closure) {
+// return ex.submit(closure);
+// }
+
+#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+ template <typename Closure>
+ void submit(Closure & closure)
+ {
+ submit(work(closure));
+ }
+#endif
+ void submit(void (*closure)())
+ {
+ submit(work(closure));
+ }
+
+ template <typename Closure>
+ void submit(BOOST_THREAD_RV_REF(Closure) closure)
+ {
+ submit(work(boost::forward<Closure>(closure)));
+ }
+
+ /**
+ * Effects: try to execute one task.
+ * Returns: whether a task has been executed.
+ * Throws: whatever the current task constructor throws or the task() throws.
+ */
+ bool try_executing_one() { return ex.try_executing_one(); }
+
+ };
+}
+using executors::executor_adaptor;
+}
+
+#include <boost/config/abi_suffix.hpp>
+
+#endif