1 /* Copyright (c) 2017. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/s4u.hpp"
7 #include "simgrid/forward.h"
8 #include "simgrid/s4u/VirtualMachine.hpp"
9 #include "simgrid/s4u/forward.hpp"
11 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Messages specific for this s4u example");
13 static void monitor(simgrid::s4u::ExecPtr activity)
15 while (not activity->test()) {
16 XBT_INFO("activity remaining duration: %g (%.0f%%)", activity->get_remaining(),
17 100 * activity->getRemainingRatio());
18 simgrid::s4u::this_actor::sleep_for(5);
20 XBT_INFO("My task is over.");
23 static void executor()
25 XBT_INFO("Create one monitored task, and wait for it");
26 simgrid::s4u::ExecPtr activity = simgrid::s4u::this_actor::exec_async(1e9);
27 simgrid::s4u::Actor::createActor("monitor 1", simgrid::s4u::Host::by_name("Tremblay"), monitor, activity);
28 activity->wait(); // This blocks until the activity is over
29 XBT_INFO("The monitored task is over. Let's start 3 of them now.");
30 simgrid::s4u::Actor::createActor("monitor 2", simgrid::s4u::Host::by_name("Jupiter"), monitor,
31 simgrid::s4u::this_actor::exec_async(1e9));
32 simgrid::s4u::Actor::createActor("monitor 3", simgrid::s4u::Host::by_name("Ginette"), monitor,
33 simgrid::s4u::this_actor::exec_async(1e9));
34 simgrid::s4u::Actor::createActor("monitor 4", simgrid::s4u::Host::by_name("Bourassa"), monitor,
35 simgrid::s4u::this_actor::exec_async(1e9));
36 XBT_INFO("All activities are started; finish now");
37 // Waiting execution activities is not mandatory: they go to completion once started
39 // No memory is leaked here: activities are automatically refcounted, thanks to C++ smart pointers
42 int main(int argc, char* argv[])
44 simgrid::s4u::Engine e(&argc, argv);
45 e.loadPlatform(argv[1]);
47 simgrid::s4u::Actor::createActor("executor", simgrid::s4u::Host::by_name("Fafard"), executor);