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/* Copyright (c) 2017-2025. 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. */
import org.simgrid.s4u.*;
/* The Lazy guy only wants to sleep, but can be awaken by the dream_master actor. */
class LazyGuy extends Actor {
public void run()
{
Engine.info("Nobody's watching me ? Let's go to sleep.");
this.suspend(); /* - Start by suspending itself */
Engine.info("Uuuh ? Did somebody call me ?");
Engine.info("Going to sleep..."); /* - Then repetitively go to sleep, but got awaken */
this.sleep_for(10);
Engine.info("Mmm... waking up.");
Engine.info("Going to sleep one more time (for 10 sec)...");
this.sleep_for(10);
Engine.info("Waking up once for all!");
Engine.info("Ok, let's do some work, then (for 10 sec on Boivin).");
this.execute(980.95e6);
Engine.info("Mmmh, I'm done now. Goodbye.");
}
}
/* The Dream master: */
class DreamMaster extends Actor {
public void run()
{
Engine.info("Let's create a lazy guy."); /* - Create a lazy_guy actor */
Actor lazy = this.get_host().add_actor("Lazy", new LazyGuy());
Engine.info("Let's wait a little bit...");
this.sleep_for(10); /* - Wait for 10 seconds */
Engine.info("Let's wake the lazy guy up! >:) BOOOOOUUUHHH!!!!");
if (lazy.is_suspended())
lazy.resume(); /* - Then wake up the lazy_guy */
else
Engine.error("I was thinking that the lazy guy would be suspended now");
this.sleep_for(5); /* Repeat two times: */
Engine.info("Suspend the lazy guy while he's sleeping...");
lazy.suspend(); /* - Suspend the lazy_guy while he's asleep */
Engine.info("Let him finish his siesta.");
this.sleep_for(10); /* - Wait for 10 seconds */
Engine.info("Wake up, lazy guy!");
lazy.resume(); /* - Then wake up the lazy_guy again */
this.sleep_for(5);
Engine.info("Suspend again the lazy guy while he's sleeping...");
lazy.suspend();
Engine.info("This time, don't let him finish his siesta.");
this.sleep_for(2);
Engine.info("Wake up, lazy guy!");
lazy.resume();
this.sleep_for(5);
Engine.info("Give a 2 seconds break to the lazy guy while he's working...");
lazy.suspend();
this.sleep_for(2);
Engine.info("Back to work, lazy guy!");
lazy.resume();
Engine.info("OK, I'm done here.");
}
}
public class actor_suspend {
public static void main(String[] args)
{
Engine e = new Engine(args);
e.load_platform(args[0]);
e.host_by_name("Boivin").add_actor("dream_master", new DreamMaster());
e.run();
// The following call is useless in your code, but our continuous integration uses it to track memleaks
e.force_garbage_collection();
}
}
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