+/* Copyright (c) 2006-2018. The SimGrid Team. All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include <memory>
+#include "simgrid/s4u.hpp"
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "a sample log category");
+
+/// Wait on the barrier then leave
+static void worker(std::shared_ptr<simgrid::s4u::Barrier> barrier)
+{
+ XBT_INFO("Waiting on the barrier");
+ barrier->wait();
+
+ XBT_INFO("Bye");
+}
+
+/// Spawn process_count-1 workers and do a barrier with them
+static void master(int process_count)
+{
+ std::shared_ptr<simgrid::s4u::Barrier> barrier(new simgrid::s4u::Barrier(process_count));
+
+ XBT_INFO("Spawning %d workers", process_count-1);
+ for (int i = 0; i < process_count-1; i++)
+ {
+ simgrid::s4u::Actor::create("worker", simgrid::s4u::Host::by_name("Jupiter"), worker, barrier);
+ }
+
+ XBT_INFO("Waiting on the barrier");
+ barrier->wait();
+
+ XBT_INFO("Bye");
+}
+
+int main(int argc, char **argv)
+{
+ // Parameter: Number of processes in the barrier
+ xbt_assert(argc >= 2, "Usage: %s <process-count>\n", argv[0]);
+ int process_count = std::stoi(argv[1]);
+ xbt_assert(process_count > 0, "<process-count> must be greater than 0");
+
+ simgrid::s4u::Engine e(&argc, argv);
+ e.load_platform("../../platforms/two_hosts.xml");
+ simgrid::s4u::Actor::create("master", simgrid::s4u::Host::by_name("Tremblay"), master, process_count);
+ e.run();
+
+ return 0;
+}