+++ /dev/null
-/* Copyright (c) 2009-2020. 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/msg.h"
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_process_migration, "Messages specific for this msg example");
-
-msg_bar_t barrier;
-static msg_process_t controlled_process = NULL;
-
-/* The Emigrant process will be moved from host to host. */
-static int emigrant(XBT_ATTRIB_UNUSED int argc, XBT_ATTRIB_UNUSED char* argv[])
-{
- XBT_INFO("I'll look for a new job on another machine ('Boivin') where the grass is greener.");
- MSG_process_migrate(MSG_process_self(), MSG_host_by_name("Boivin")); /* - First, move to another host by myself */
-
- XBT_INFO("Yeah, found something to do");
- msg_task_t task = MSG_task_create("job", 98095000, 0, NULL); /* - Execute some work there */
- MSG_task_execute(task);
- MSG_task_destroy(task);
- MSG_process_sleep(2);
- XBT_INFO("Moving back home after work");
- MSG_process_migrate(MSG_process_self(), MSG_host_by_name("Jacquelin")); /* - Move back to original location */
- MSG_process_migrate(MSG_process_self(), MSG_host_by_name("Boivin")); /* - Go back to the other host to sleep*/
- MSG_process_sleep(4);
- controlled_process = MSG_process_self(); /* - Get controlled at checkpoint */
- MSG_barrier_wait(barrier);
- MSG_process_suspend(MSG_process_self());
- const_sg_host_t h = MSG_process_get_host(MSG_process_self());
- XBT_INFO("I've been moved on this new host: %s", MSG_host_get_name(h));
- XBT_INFO("Uh, nothing to do here. Stopping now");
- return 0;
-}
-
-/* The policeman check for emigrants and move them back to 'Jacquelin' */
-static int policeman(XBT_ATTRIB_UNUSED int argc, XBT_ATTRIB_UNUSED char* argv[])
-{
- XBT_INFO("Wait at the checkpoint."); /* - block on the mutex+condition */
- MSG_barrier_wait(barrier);
- MSG_process_migrate(controlled_process, MSG_host_by_name("Jacquelin")); /* - Move an emigrant to Jacquelin */
- XBT_INFO("I moved the emigrant");
- MSG_process_resume(controlled_process);
-
- return 0;
-}
-
-int main(int argc, char* argv[])
-{
- MSG_init(&argc, argv);
- xbt_assert(argc == 2, "Usage: %s platform_file\n\tExample: %s msg_platform.xml\n", argv[0], argv[0]);
-
- MSG_create_environment(argv[1]); /* - Load the platform description */
- /* - Create and deploy the emigrant and policeman processes */
- MSG_process_create("emigrant", emigrant, NULL, MSG_get_host_by_name("Jacquelin"));
- MSG_process_create("policeman", policeman, NULL, MSG_get_host_by_name("Boivin"));
-
- barrier = MSG_barrier_init(2);
- msg_error_t res = MSG_main(); /* - Run the simulation */
- XBT_INFO("Simulation time %g", MSG_get_clock());
- MSG_barrier_destroy(barrier);
-
- return res != MSG_OK;
-}
