1
2// Copyright Oliver Kowalke 2016.
3// Distributed under the Boost Software License, Version 1.0.
4// (See accompanying file LICENSE_1_0.txt or copy at
5// http://www.boost.org/LICENSE_1_0.txt)
6
7#include <cstdlib>
8#include <iostream>
9
10#include <boost/context/continuation.hpp>
11
12namespace ctx = boost::context;
13
14ctx::continuation f1( ctx::continuation && c) {
15 std::cout << "f1: entered first time" << std::endl;
16 c = c.resume();
17 std::cout << "f1: entered second time" << std::endl;
18 return std::move( c);
19}
20
21int main() {
22 ctx::continuation c = ctx::callcc( fn&: f1);
23 std::cout << "f1: returned first time" << std::endl;
24 c = c.resume();
25 std::cout << "f1: returned second time" << std::endl;
26 std::cout << "main: done" << std::endl;
27 return EXIT_SUCCESS;
28}
29

source code of boost/libs/context/example/callcc/jump_void.cpp