51 lines
1.0 KiB
C++
51 lines
1.0 KiB
C++
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// Copyright Oliver Kowalke 2013.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <cstdlib>
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#include <exception>
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#include <functional>
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#include <iostream>
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#include <string>
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#include <boost/fiber/all.hpp>
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inline
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int fn( std::string const& str, int n)
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{
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for ( int i = 0; i < n; ++i)
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{
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std::cout << i << ": " << str << std::endl;
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boost::this_fiber::yield();
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}
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return n;
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}
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void start()
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{
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boost::fibers::future< int > fi(
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boost::fibers::async(
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std::bind( fn, "abc", 5) ) );
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fi.wait();
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std::cout << "fn() returned " << fi.get() << std::endl;
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}
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int main()
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{
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try
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{
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boost::fibers::fiber( start).join();
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std::cout << "done." << std::endl;
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return EXIT_SUCCESS;
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}
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catch ( std::exception const& e)
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{ std::cerr << "exception: " << e.what() << std::endl; }
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catch (...)
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{ std::cerr << "unhandled exception" << std::endl; }
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return EXIT_FAILURE;
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}
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