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- // Copyright Oliver Kowalke 2013.
- // 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 <cstdlib>
- #include <exception>
- #include <functional>
- #include <iostream>
- #include <string>
- #include <boost/fiber/all.hpp>
- inline
- int fn( std::string const& str, int n)
- {
- for ( int i = 0; i < n; ++i)
- {
- std::cout << i << ": " << str << std::endl;
- boost::this_fiber::yield();
- }
- return n;
- }
- void start()
- {
- boost::fibers::future< int > fi(
- boost::fibers::async(
- std::bind( fn, "abc", 5) ) );
- fi.wait();
- std::cout << "fn() returned " << fi.get() << std::endl;
- }
- int main()
- {
- try
- {
- boost::fibers::fiber( start).join();
- std::cout << "done." << std::endl;
- return EXIT_SUCCESS;
- }
- catch ( std::exception const& e)
- { std::cerr << "exception: " << e.what() << std::endl; }
- catch (...)
- { std::cerr << "unhandled exception" << std::endl; }
- return EXIT_FAILURE;
- }
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