+++ /dev/null
-/* 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>
-#include <simgrid/s4u/Mutex.hpp>
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_actor_migration, "Messages specific for this s4u example");
-
-simgrid::s4u::MutexPtr checkpoint = nullptr;
-simgrid::s4u::ConditionVariablePtr identification = nullptr;
-static simgrid::s4u::ActorPtr controlled_process = nullptr;
-
-/* The Emigrant process will be moved from host to host. */
-static void emigrant()
-{
- XBT_INFO("I'll look for a new job on another machine ('Boivin') where the grass is greener.");
- simgrid::s4u::this_actor::migrate(
- simgrid::s4u::Host::by_name("Boivin")); /* - First, move to another host by myself */
-
- XBT_INFO("Yeah, found something to do");
- simgrid::s4u::this_actor::execute(98095000);
- simgrid::s4u::this_actor::sleep_for(2);
-
- XBT_INFO("Moving back home after work");
- simgrid::s4u::this_actor::migrate(simgrid::s4u::Host::by_name("Jacquelin")); /* - Move back to original location */
-
- simgrid::s4u::this_actor::migrate(simgrid::s4u::Host::by_name("Boivin")); /* - Go back to the other host to sleep*/
- simgrid::s4u::this_actor::sleep_for(4);
-
- checkpoint->lock(); /* - Get controlled at checkpoint */
- controlled_process = simgrid::s4u::Actor::self(); /* - and get moved back by the policeman process */
- identification->notify_all();
- checkpoint->unlock();
-
- simgrid::s4u::this_actor::suspend();
-
- XBT_INFO("I've been moved on this new host: %s", simgrid::s4u::this_actor::getHost()->getCname());
- XBT_INFO("Uh, nothing to do here. Stopping now");
-}
-
-/* The policeman check for emigrants and move them back to 'Jacquelin' */
-static void policeman()
-{
- checkpoint->lock();
-
- XBT_INFO("Wait at the checkpoint."); /* - block on the mutex+condition */
- while (controlled_process == nullptr)
- identification->wait(checkpoint);
-
- controlled_process->migrate(simgrid::s4u::Host::by_name("Jacquelin")); /* - Move an emigrant to Jacquelin */
- XBT_INFO("I moved the emigrant");
- controlled_process->resume();
-
- checkpoint->unlock();
-}
-
-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 the emigrant and policeman processes */
- simgrid::s4u::Actor::createActor("emigrant", simgrid::s4u::Host::by_name("Jacquelin"), emigrant);
- simgrid::s4u::Actor::createActor("policeman", simgrid::s4u::Host::by_name("Boivin"), policeman);
-
- checkpoint = simgrid::s4u::Mutex::createMutex(); /* - Initiate the mutex and conditions */
- identification = simgrid::s4u::ConditionVariable::createConditionVariable();
- e.run();
-
- XBT_INFO("Simulation time %g", e.getClock());
-
- return 0;
-}
