1 files changed, 40 insertions, 0 deletions
diff --git a/src/boost/libs/context/example/callcc/ontop.cpp b/src/boost/libs/context/example/callcc/ontop.cpp
new file mode 100644
index 000000000..d59fde8a4
--- /dev/null
+++ b/src/boost/libs/context/example/callcc/ontop.cpp
@@ -0,0 +1,40 @@
+
+//          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 <tuple>
+
+#include <boost/context/continuation.hpp>
+
+namespace ctx = boost::context;
+
+int main() {
+    int data = 0;
+    ctx::continuation c = ctx::callcc( [&data](ctx::continuation && c) {
+                        std::cout << "f1: entered first time: " << data  << std::endl;
+                        data += 1;
+                        c = c.resume();
+                        std::cout << "f1: entered second time: " << data  << std::endl;
+                        data += 1;
+                        c = c.resume();
+                        std::cout << "f1: entered third time: " << data << std::endl;
+                        return std::move( c);
+                    });
+    std::cout << "f1: returned first time: " << data << std::endl;
+    data += 1;
+    c = c.resume();
+    std::cout << "f1: returned second time: " << data << std::endl;
+    data += 1;
+    c = c.resume_with( [&data](ctx::continuation && c){
+                            std::cout << "f2: entered: " << data << std::endl;
+                            data = -1;
+                            return std::move( c);
+                        });
+    std::cout << "f1: returned third time" << std::endl;
+    std::cout << "main: done" << std::endl;
+    return EXIT_SUCCESS;
+}