diff options
Diffstat (limited to 'src/boost/libs/context/example/callcc/throw.cpp')
-rw-r--r-- | src/boost/libs/context/example/callcc/throw.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/boost/libs/context/example/callcc/throw.cpp b/src/boost/libs/context/example/callcc/throw.cpp new file mode 100644 index 00000000..723a956b --- /dev/null +++ b/src/boost/libs/context/example/callcc/throw.cpp @@ -0,0 +1,47 @@ + +// 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 <exception> +#include <iostream> +#include <stdexcept> +#include <string> + +#include <boost/context/continuation.hpp> + +namespace ctx = boost::context; + +struct my_exception : public std::runtime_error { + ctx::continuation c; + my_exception( ctx::continuation && c_, std::string const& what) : + std::runtime_error{ what }, + c{ std::move( c_) } { + } +}; + +int main() { + ctx::continuation c = ctx::callcc([](ctx::continuation && c) { + for (;;) { + try { + std::cout << "entered" << std::endl; + c = c.resume(); + } catch ( my_exception & ex) { + std::cerr << "my_exception: " << ex.what() << std::endl; + return std::move( ex.c); + } + } + return std::move( c); + }); + c = c.resume_with( + [](ctx::continuation && c){ + throw my_exception(std::move( c), "abc"); + return std::move( c); + }); + + std::cout << "main: done" << std::endl; + + return EXIT_SUCCESS; +} |