-/* Copyright (c) 2009-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2009-2016. 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. */
XBT_LOG_NEW_DEFAULT_CATEGORY(msg_process_migration, "Messages specific for this msg example");
-/** @addtogroup MSG_examples
- *
- * - <b>Process Migration: process-migration/process-migration.c</b>. Processes can move or be moved from a host to
- * another while they are running thanks to the @ref MSG_process_migrate function.
- */
-
xbt_mutex_t checkpoint = NULL;
xbt_cond_t identification = NULL;
static msg_process_t controlled_process = NULL;
-/** The Emigrant will be moved from host to host. */
+/* The Emigrant process will be moved from host to host. */
static int emigrant(int argc, 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 */
+ 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_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_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);
- xbt_mutex_acquire(checkpoint); /** - Get controlled at checkpoint */
- controlled_process = MSG_process_self(); /** - and get moved back by @ref policeman */
+ xbt_mutex_acquire(checkpoint); /* - Get controlled at checkpoint */
+ controlled_process = MSG_process_self(); /* - and get moved back by the policeman process */
xbt_cond_broadcast(identification);
xbt_mutex_release(checkpoint);
MSG_process_suspend(MSG_process_self());
return 0;
}
-/** The policeman check for emigrants and move them back to 'Jacquelin' */
+/* The policeman check for emigrants and move them back to 'Jacquelin' */
static int policeman(int argc, char *argv[])
{
xbt_mutex_acquire(checkpoint);
- XBT_INFO("Wait at the checkpoint."); /** - Wait at @ref checkpoint to control the @ref identification of processes */
+ XBT_INFO("Wait at the checkpoint."); /* - block on the mutex+condition */
while (controlled_process == NULL) xbt_cond_wait(identification, checkpoint);
- MSG_process_migrate(controlled_process, MSG_host_by_name("Jacquelin")); /** - Move an emigrant to Jacquelin */
+ 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);
xbt_mutex_release(checkpoint);
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 @ref emigrant and @ref policeman processes */
+ 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"));
- checkpoint = xbt_mutex_init(); /** - Initiate @ref checkpoint and @ref identification*/
+ checkpoint = xbt_mutex_init(); /* - Initiate the mutex and conditions */
identification = xbt_cond_init();
- res = MSG_main(); /** - Run the simulation */
+ res = MSG_main(); /* - Run the simulation */
XBT_INFO("Simulation time %g", MSG_get_clock());
xbt_cond_destroy(identification);
xbt_mutex_destroy(checkpoint);
