1 files changed, 98 insertions, 0 deletions
diff --git a/src/boost/libs/fiber/examples/barrier.cpp b/src/boost/libs/fiber/examples/barrier.cpp
new file mode 100644
index 00000000..dedec6c6
--- /dev/null
+++ b/src/boost/libs/fiber/examples/barrier.cpp
@@ -0,0 +1,98 @@
+
+//          Copyright Oliver Kowalke 2013.
+// 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 <functional>
+#include <iostream>
+#include <stdexcept>
+
+#include <boost/assert.hpp>
+
+#include <boost/fiber/all.hpp>
+
+int value1 = 0;
+int value2 = 0;
+
+inline
+void fn1( boost::fibers::barrier & b)
+{
+    boost::fibers::fiber::id id = boost::this_fiber::get_id();
+	std::cout << "fiber " << id << ": fn1 entered" << std::endl;
+
+	++value1;
+	std::cout << "fiber " << id << ": incremented value1: " << value1 << std::endl;
+	boost::this_fiber::yield();
+
+	std::cout << "fiber " << id << ": waits for barrier" << std::endl;
+	b.wait();
+	std::cout << "fiber " << id << ": passed barrier" << std::endl;
+
+	++value1;
+	std::cout << "fiber " << id << ": incremented value1: " << value1 << std::endl;
+	boost::this_fiber::yield();
+
+	++value1;
+	std::cout << "fiber " << id << ": incremented value1: " << value1 << std::endl;
+	boost::this_fiber::yield();
+
+	++value1;
+	std::cout << "fiber " << id << ": incremented value1: " << value1 << std::endl;
+	boost::this_fiber::yield();
+
+	std::cout << "fiber " << id << ": fn1 returns" << std::endl;
+}
+
+inline
+void fn2( boost::fibers::barrier & b)
+{
+    boost::fibers::fiber::id id = boost::this_fiber::get_id();
+	std::cout << "fiber " << id << ": fn2 entered" << std::endl;
+
+	++value2;
+	std::cout << "fiber " << id << ": incremented value2: " << value2 << std::endl;
+	boost::this_fiber::yield();
+
+	++value2;
+	std::cout << "fiber " << id << ": incremented value2: " << value2 << std::endl;
+	boost::this_fiber::yield();
+
+	++value2;
+	std::cout << "fiber " << id << ": incremented value2: " << value2 << std::endl;
+	boost::this_fiber::yield();
+
+	std::cout << "fiber " << id << ": waits for barrier" << std::endl;
+	b.wait();
+	std::cout << "fiber " << id << ": passed barrier" << std::endl;
+
+	++value2;
+	std::cout << "fiber " << id << ": incremented value2: " << value2 << std::endl;
+	boost::this_fiber::yield();
+
+	std::cout << "fiber " << id << ": fn2 returns" << std::endl;
+}
+
+int main()
+{
+	try
+	{
+		boost::fibers::barrier fb( 2);
+
+		boost::fibers::fiber f1( & fn1, std::ref( fb) );
+		boost::fibers::fiber f2( & fn2, std::ref( fb) );
+
+        f1.join();
+        f2.join();
+
+		std::cout << "done." << std::endl;
+
+		return EXIT_SUCCESS;
+	}
+	catch ( std::exception const& e)
+	{ std::cerr << "exception: " << e.what() << std::endl; }
+	catch (...)
+	{ std::cerr << "unhandled exception" << std::endl; }
+	return EXIT_FAILURE;
+}