diff options
Diffstat (limited to 'src/boost/libs/context/example/fiber/jump.cpp')
-rw-r--r-- | src/boost/libs/context/example/fiber/jump.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/boost/libs/context/example/fiber/jump.cpp b/src/boost/libs/context/example/fiber/jump.cpp new file mode 100644 index 00000000..59b592c1 --- /dev/null +++ b/src/boost/libs/context/example/fiber/jump.cpp @@ -0,0 +1,35 @@ + +// 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 <iostream> + +#include <boost/context/fiber.hpp> + +namespace ctx = boost::context; + +int main() { + int data = 1; + ctx::fiber f{ + [&data](ctx::fiber && f){ + std::cout << "entered first time: " << data << std::endl; + data += 2; + f = std::move( f).resume(); + std::cout << "entered second time: " << data << std::endl; + return std::move( f); + }}; + f = std::move( f).resume(); + std::cout << "returned first time: " << data << std::endl; + data += 2; + f = std::move( f).resume(); + if ( f) { + std::cout << "returned second time: " << data << std::endl; + } else { + std::cout << "returned second time: execution context terminated" << std::endl; + } + std::cout << "main: done" << std::endl; + return EXIT_SUCCESS; +} |