SimGrid  3.18
Versatile Simulation of Distributed Systems
examples/s4u/actor-kill/s4u-actor-kill.cpp
/* Copyright (c) 2017 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 <simgrid/s4u.hpp>
XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_actor_kill, "Messages specific for this s4u example");
static int on_exit(void*, void*)
{
XBT_INFO("I have been killed!");
return 0;
}
static void victimA_fun()
{
XBT_INFO("Hello!");
XBT_INFO("Suspending myself");
simgrid::s4u::this_actor::suspend(); /* - Start by suspending itself */
XBT_INFO("OK, OK. Let's work"); /* - Then is resumed and start to execute a task */
XBT_INFO("Bye!"); /* - But will never reach the end of it */
}
static void victimB_fun()
{
XBT_INFO("Terminate before being killed");
}
static void killer()
{
XBT_INFO("Hello!"); /* - First start a victim process */
simgrid::s4u::Actor::createActor("victim B", simgrid::s4u::Host::by_name("Jupiter"), victimB_fun);
simgrid::s4u::this_actor::sleep_for(10); /* - Wait for 10 seconds */
XBT_INFO("Resume the victim A"); /* - Resume it from its suspended state */
victimA->resume();
XBT_INFO("Kill the victim A"); /* - and then kill it */
victimA->kill();
XBT_INFO("Kill victimB, even if it's already dead"); /* that's a no-op, there is no zombies in SimGrid */
victimB->kill();
XBT_INFO("Killing everybody but myself");
XBT_INFO("OK, goodbye now. I commit a suicide.");
XBT_INFO("This line will never get displayed: I'm already dead since the previous line.");
}
int main(int argc, char* argv[])
{
simgrid::s4u::Engine e(&argc, argv);
xbt_assert(argc == 2, "Usage: %s platform_file\n\tExample: %s msg_platform.xml\n", argv[0], argv[0]);
e.loadPlatform(argv[1]); /* - Load the platform description */
/* - Create and deploy killer process, that will create the victim actors */
e.run(); /* - Run the simulation */
XBT_INFO("Simulation time %g", e.getClock());
return 0;
}