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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 <exception> | |
9 | #include <iostream> | |
10 | #include <stdexcept> | |
11 | #include <string> | |
12 | ||
13 | #include <boost/context/all.hpp> | |
14 | ||
15 | namespace ctx = boost::context; | |
16 | ||
17 | struct my_exception : public std::runtime_error { | |
18 | my_exception( std::string const& what) : | |
19 | std::runtime_error{ what } { | |
20 | } | |
21 | }; | |
22 | ||
23 | int main() { | |
24 | ctx::execution_context< void > ctx([](ctx::execution_context<void> && ctx) { | |
25 | for (;;) { | |
26 | try { | |
27 | std::cout << "entered" << std::endl; | |
28 | ctx = ctx(); | |
29 | } catch ( ctx::ontop_error const& e) { | |
30 | try { | |
31 | std::rethrow_if_nested( e); | |
32 | } catch ( my_exception const& ex) { | |
33 | std::cerr << "my_exception: " << ex.what() << std::endl; | |
34 | } | |
35 | return e.get_context< void >(); | |
36 | } | |
37 | } | |
38 | return std::move( ctx); | |
39 | }); | |
40 | ctx = ctx(); | |
41 | ctx = ctx(); | |
42 | ctx = ctx( ctx::exec_ontop_arg, []() { throw my_exception("abc"); }); | |
43 | ||
44 | std::cout << "main: done" << std::endl; | |
45 | ||
46 | return EXIT_SUCCESS; | |
47 | } |