48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
|
|
// Copyright Oliver Kowalke 2014.
|
|
// 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 <exception>
|
|
#include <iostream>
|
|
#include <stdexcept>
|
|
#include <string>
|
|
|
|
#include <boost/context/execution_context.hpp>
|
|
|
|
namespace ctx = boost::context;
|
|
|
|
struct my_exception : public std::runtime_error {
|
|
my_exception( std::string const& what) :
|
|
std::runtime_error{ what } {
|
|
}
|
|
};
|
|
|
|
int main() {
|
|
ctx::execution_context< void > ctx([](ctx::execution_context<void> && ctx) {
|
|
for (;;) {
|
|
try {
|
|
std::cout << "entered" << std::endl;
|
|
ctx = ctx();
|
|
} catch ( ctx::ontop_error const& e) {
|
|
try {
|
|
std::rethrow_if_nested( e);
|
|
} catch ( my_exception const& ex) {
|
|
std::cerr << "my_exception: " << ex.what() << std::endl;
|
|
}
|
|
return e.get_context< void >();
|
|
}
|
|
}
|
|
return std::move( ctx);
|
|
});
|
|
ctx = ctx();
|
|
ctx = ctx();
|
|
ctx = ctx( ctx::exec_ontop_arg, []() { throw my_exception("abc"); });
|
|
|
|
std::cout << "main: done" << std::endl;
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|