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// 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 <boost/context/continuation.hpp>
namespace ctx = boost::context;
int main() {
ctx::continuation c;
int data = 1;
c = ctx::callcc(
[&data](ctx::continuation && c){
std::cout << "entered first time: " << data << std::endl;
data += 2;
c = c.resume();
std::cout << "entered second time: " << data << std::endl;
return std::move( c);
});
std::cout << "returned first time: " << data << std::endl;
data += 2;
c = c.resume();
if ( c) {
std::cout << "returned second time: " << data << std::endl;
} else {
std::cout << "returned second time: execution context terminated" << std::endl;
}
std::cout << "main: done" << std::endl;
return EXIT_SUCCESS;
}
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