41 lines
1.5 KiB
C++
41 lines
1.5 KiB
C++
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// Copyright Oliver Kowalke 2016.
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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 <iostream>
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#include <tuple>
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#include <boost/context/continuation.hpp>
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namespace ctx = boost::context;
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int main() {
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int data = 0;
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ctx::continuation c = ctx::callcc( [&data](ctx::continuation && c) {
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std::cout << "f1: entered first time: " << data << std::endl;
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data += 1;
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c = c.resume();
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std::cout << "f1: entered second time: " << data << std::endl;
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data += 1;
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c = c.resume();
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std::cout << "f1: entered third time: " << data << std::endl;
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return std::move( c);
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});
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std::cout << "f1: returned first time: " << data << std::endl;
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data += 1;
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c = c.resume();
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std::cout << "f1: returned second time: " << data << std::endl;
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data += 1;
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c = c.resume_with( [&data](ctx::continuation && c){
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std::cout << "f2: entered: " << data << std::endl;
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data = -1;
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return std::move( c);
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});
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std::cout << "f1: returned third time" << std::endl;
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std::cout << "main: done" << std::endl;
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return EXIT_SUCCESS;
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}
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