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_pid, "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::onExit(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::createActor("victim A", simgrid::s4u::Host::by_name("Fafard"), victimA_fun);
37 simgrid::s4u::ActorPtr victimB =
38 simgrid::s4u::Actor::createActor("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 aid_t pidA = victimA->getPid();
46 XBT_INFO("Kill the victim A (pid=%lu)", pidA); /* - and then kill it */
47 simgrid::s4u::Actor::kill(pidA);
49 aid_t pidB = victimB->getPid();
50 XBT_INFO("Kill victimB (pid=%lu), even if it's already dead", pidB); /* that's a no-op, there is no zombies in SimGrid */
53 simgrid::s4u::Actor::kill(pidB);
54 } catch (const std::runtime_error& e) {
55 XBT_DEBUG("Caught exception: %s", e.what());
57 simgrid::s4u::this_actor::sleep_for(1);
59 XBT_INFO("Killing everybody but myself");
60 simgrid::s4u::Actor::killAll();
62 aid_t pidMe = simgrid::s4u::this_actor::getPid();
63 XBT_INFO("OK, goodbye now. I commit a suicide (pid=%lu).", pidMe);
64 simgrid::s4u::Actor::kill(pidMe);
66 XBT_INFO("This line will never get displayed: I'm already dead since the previous line.");
69 int main(int argc, char* argv[])
71 simgrid::s4u::Engine e(&argc, argv);
72 xbt_assert(argc == 2, "Usage: %s platform_file\n\tExample: %s msg_platform.xml\n", argv[0], argv[0]);
74 e.loadPlatform(argv[1]); /* - Load the platform description */
75 /* - Create and deploy killer process, that will create the victim actors */
76 simgrid::s4u::Actor::createActor("killer", simgrid::s4u::Host::by_name("Tremblay"), killer);
78 e.run(); /* - Run the simulation */
80 XBT_INFO("Simulation time %g", e.getClock());