Added this_executor and default_executor examples.

example/default_executor.cpp

@@ -0,0 +1,61 @@
+// Copyright (C) 2014 Vicente Botet
+//
+//  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)
+
+#include <boost/config.hpp>
+#if ! defined  BOOST_NO_CXX11_DECLTYPE
+#define BOOST_RESULT_OF_USE_DECLTYPE
+#endif
+
+#define BOOST_THREAD_VERSION 4
+#define BOOST_THREAD_PROVIDES_EXECUTORS
+//#define BOOST_THREAD_USES_LOG
+#define BOOST_THREAD_USES_LOG_THREAD_ID
+#define BOOST_THREAD_QUEUE_DEPRECATE_OLD
+
+#include <boost/thread/caller_context.hpp>
+#include <boost/thread/executors/basic_thread_pool.hpp>
+#include <boost/thread/executors/generic_executor_ref.hpp>
+#include <string>
+#include <iostream>
+
+#include <boost/thread/caller_context.hpp>
+
+
+boost::generic_executor_ref default_executor()
+{
+  static boost::basic_thread_pool tp(4);
+  return boost::generic_executor_ref(tp);
+}
+
+void p2()
+{
+  std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(200));
+  std::cout << BOOST_CONTEXTOF << std::endl;
+}
+
+
+void p1()
+{
+  std::cout << BOOST_CONTEXTOF << std::endl;
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(200));
+  default_executor().submit(&p2);
+  boost::this_thread::sleep_for(boost::chrono::milliseconds(400));
+  std::cout << BOOST_CONTEXTOF << std::endl;
+}
+
+int main()
+{
+  std::cout << BOOST_CONTEXTOF << std::endl;
+
+  default_executor().submit(&p1);
+
+  boost::this_thread::sleep_for(boost::chrono::seconds(5));
+
+  std::cout << BOOST_CONTEXTOF << std::endl;
+
+  return 1;
+
+}