+++ /dev/null
-/* Copyright (c) 2009, 2010. 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 "msg/msg.h" /* core library */
-#include "xbt/sysdep.h" /* calloc */
-
-/* Create a log channel to have nice outputs. */
-#include "xbt/log.h"
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test,
- "Messages specific for this msg example");
-
-/** @addtogroup MSG_examples
- *
- * - <b>migration/migration.c</b> Demonstrates how to use the @ref
- * MSG_process_migrate function to let processes change the host they
- * run on after their start.
- */
-
-xbt_mutex_t mutex = NULL;
-xbt_cond_t cond = NULL;
-static msg_process_t process_to_migrate = NULL;
-
-/** The guy we will move from host to host. It move alone and then is moved by policeman back */
-static int emigrant(int argc, char *argv[])
-{
- msg_task_t task;
- XBT_INFO
- ("I'll look for a new job on another machine where the grass is greener.");
- MSG_process_migrate(MSG_process_self(), MSG_get_host_by_name("Boivin"));
-
- XBT_INFO("Yeah, found something to do");
- task = MSG_task_create("job", 98095000, 0, NULL);
- 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_get_host_by_name("Jacquelin"));
- MSG_process_migrate(MSG_process_self(), MSG_get_host_by_name("Boivin"));
- MSG_process_sleep(4);
- xbt_mutex_acquire(mutex);
- process_to_migrate = MSG_process_self();
- xbt_cond_broadcast(cond);
- xbt_mutex_release(mutex);
- MSG_process_suspend(MSG_process_self());
- msg_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;
-} /* end_of_emigrant */
-
-
-/* This function move the emigrant on Jacquelin */
-static int policeman(int argc, char *argv[])
-{
-
- xbt_mutex_acquire(mutex);
- XBT_INFO("Wait a bit before migrating the emigrant.");
- while (process_to_migrate == NULL) xbt_cond_wait(cond, mutex);
- MSG_process_migrate(process_to_migrate, MSG_get_host_by_name("Jacquelin"));
- XBT_INFO("I moved the emigrant");
- MSG_process_resume(process_to_migrate);
- xbt_mutex_release(mutex);
-
- return 0;
-} /* end_of_policeman */
-
-
-/** Main function */
-int main(int argc, char *argv[])
-{
- msg_error_t res = MSG_OK;
-
- /* Argument checking */
- MSG_init(&argc, argv);
- if (argc < 3) {
- XBT_CRITICAL("Usage: %s platform_file deployment_file\n", argv[0]);
- XBT_CRITICAL("example: %s msg_platform.xml msg_deployment_suspend.xml\n",
- argv[0]);
- exit(1);
- }
-
- /* Simulation setting */
- MSG_create_environment(argv[1]);
-
- /* Application deployment */
- MSG_function_register("emigrant", emigrant);
- MSG_function_register("policeman", policeman);
- MSG_launch_application(argv[2]);
-
- /* Run the simulation */
- mutex = xbt_mutex_init();
- cond = xbt_cond_init();
- res = MSG_main();
- XBT_INFO("Simulation time %g", MSG_get_clock());
- xbt_cond_destroy(cond);
- xbt_mutex_destroy(mutex);
-
- if (res == MSG_OK)
- return 0;
- else
- return 1;
-} /* end_of_main */
