12345678910111213141516171819202122232425262728293031323334353637383940 |
- // Copyright Oliver Kowalke 2016.
- // 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 <iostream>
- #include <tuple>
- #include <boost/context/continuation.hpp>
- namespace ctx = boost::context;
- ctx::continuation f1( ctx::continuation && c) {
- std::cout << "f1: entered first time" << std::endl;
- c = c.resume();
- std::cout << "f1: entered second time" << std::endl;
- c = c.resume();
- std::cout << "f1: entered third time" << std::endl;
- return std::move( c);
- }
- ctx::continuation f2( ctx::continuation && c) {
- std::cout << "f2: entered" << std::endl;
- return std::move( c);
- }
- int main() {
- ctx::continuation c = ctx::callcc( f1);
- std::cout << "f1: returned first time" << std::endl;
- c = c.resume();
- std::cout << "f1: returned second time" << std::endl;
- c = c.resume_with( f2);
- std::cout << "f1: returned third time" << std::endl;
- std::cout << "main: done" << std::endl;
- return EXIT_SUCCESS;
- }
|