1 /* Copyright (c) 2017-2018. 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>
8 XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_actor_kill, "Messages specific for this s4u example");
10 static int on_exit(void*, void*)
12 XBT_INFO("I have been killed!");
16 static void victimA_fun()
18 simgrid::s4u::this_actor::on_exit(on_exit, nullptr);
20 XBT_INFO("Suspending myself");
21 simgrid::s4u::this_actor::suspend(); /* - Start by suspending itself */
22 XBT_INFO("OK, OK. Let's work"); /* - Then is resumed and start to execute a task */
23 simgrid::s4u::this_actor::execute(1e9);
24 XBT_INFO("Bye!"); /* - But will never reach the end of it */
27 static void victimB_fun()
29 XBT_INFO("Terminate before being killed");
34 XBT_INFO("Hello!"); /* - First start a victim process */
35 simgrid::s4u::ActorPtr victimA =
36 simgrid::s4u::Actor::create("victim A", simgrid::s4u::Host::by_name("Fafard"), victimA_fun);
37 simgrid::s4u::ActorPtr victimB =
38 simgrid::s4u::Actor::create("victim B", simgrid::s4u::Host::by_name("Jupiter"), victimB_fun);
39 simgrid::s4u::this_actor::sleep_for(10); /* - Wait for 10 seconds */
41 XBT_INFO("Resume the victim A"); /* - Resume it from its suspended state */
43 simgrid::s4u::this_actor::sleep_for(2);
45 XBT_INFO("Kill the victim A"); /* - and then kill it */
46 simgrid::s4u::Actor::kill(victimA->get_pid()); // Kill by PID is legit
48 simgrid::s4u::this_actor::sleep_for(1);
50 XBT_INFO("Kill victimB, even if it's already dead"); /* that's a no-op, there is no zombies in SimGrid */
51 victimB->kill(); // the actor is automatically garbage-collected after this last reference
53 simgrid::s4u::this_actor::sleep_for(1);
55 XBT_INFO("Start a new actor, and kill it right away");
56 simgrid::s4u::ActorPtr victimC =
57 simgrid::s4u::Actor::create("victim C", simgrid::s4u::Host::by_name("Jupiter"), victimA_fun);
60 simgrid::s4u::this_actor::sleep_for(1);
62 XBT_INFO("Killing everybody but myself");
63 simgrid::s4u::Actor::kill_all();
65 XBT_INFO("OK, goodbye now. I commit a suicide.");
66 simgrid::s4u::this_actor::kill();
68 XBT_INFO("This line will never get displayed: I'm already dead since the previous line.");
71 int main(int argc, char* argv[])
73 simgrid::s4u::Engine e(&argc, argv);
74 xbt_assert(argc == 2, "Usage: %s platform_file\n\tExample: %s msg_platform.xml\n", argv[0], argv[0]);
76 e.load_platform(argv[1]); /* - Load the platform description */
77 /* - Create and deploy killer process, that will create the victim actors */
78 simgrid::s4u::Actor::create("killer", simgrid::s4u::Host::by_name("Tremblay"), killer);
80 e.run(); /* - Run the simulation */