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1 | |
2 | // Copyright Oliver Kowalke 2014. | |
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 | #include <tuple> | |
10 | ||
11 | #include <boost/context/all.hpp> | |
12 | ||
13 | namespace ctx = boost::context; | |
14 | ||
15 | ctx::execution_context< void > f1( ctx::execution_context< void > ctx) { | |
16 | std::cout << "f1: entered first time" << std::endl; | |
17 | ctx = ctx(); | |
18 | std::cout << "f1: entered second time" << std::endl; | |
19 | ctx = ctx(); | |
20 | std::cout << "f1: entered third time" << std::endl; | |
21 | return ctx; | |
22 | } | |
23 | ||
24 | ctx::execution_context< void > f2( ctx::execution_context< void > ctx) { | |
25 | std::cout << "f2: entered" << std::endl; | |
26 | return ctx; | |
27 | } | |
28 | ||
29 | int main() { | |
30 | ctx::execution_context< void > ctx( f1); | |
31 | ctx = ctx(); | |
32 | std::cout << "f1: returned first time" << std::endl; | |
33 | ctx = ctx(); | |
34 | std::cout << "f1: returned second time" << std::endl; | |
35 | ctx = ctx( ctx::exec_ontop_arg, f2); | |
36 | std::cout << "f1: returned third time" << std::endl; | |
37 | ||
38 | std::cout << "main: done" << std::endl; | |
39 | ||
40 | return EXIT_SUCCESS; | |
41 | } |