1 /* Copyright (c) 2007, 2009-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "simgrid/msg.h"
9 XBT_LOG_NEW_DEFAULT_CATEGORY(msg_process_suspend, "Messages specific for this msg example");
11 /* The Lazy guy only wants to sleep, but can be awaken by the dream_master process. */
12 static int lazy_guy(int argc, char* argv[])
14 XBT_INFO("Nobody's watching me ? Let's go to sleep.");
15 MSG_process_suspend(MSG_process_self()); /* - Start by suspending itself */
16 XBT_INFO("Uuuh ? Did somebody call me ?");
18 XBT_INFO("Going to sleep..."); /* - Then repetitively go to sleep, but got awaken */
19 MSG_process_sleep(10.0);
20 XBT_INFO("Mmm... waking up.");
22 XBT_INFO("Going to sleep one more time (for 10 sec)...");
23 MSG_process_sleep(10.0);
24 XBT_INFO("Waking up once for all!");
26 XBT_INFO("Ok, let's do some work, then (for 10 sec on Boivin).");
27 msg_task_t task = MSG_task_create("easy work", 980.95e6, 0, NULL);
28 MSG_task_execute(task);
29 MSG_task_destroy(task);
31 XBT_INFO("Mmmh, I'm done now. Goodbye.");
35 /* The Dream master: */
36 static int dream_master(int argc, char* argv[])
38 XBT_INFO("Let's create a lazy guy."); /* - Create a lazy_guy process */
39 msg_process_t lazy = MSG_process_create("Lazy", lazy_guy, NULL, MSG_host_self());
40 XBT_INFO("Let's wait a little bit...");
41 MSG_process_sleep(10.0); /* - Wait for 10 seconds */
42 XBT_INFO("Let's wake the lazy guy up! >:) BOOOOOUUUHHH!!!!");
43 MSG_process_resume(lazy); /* - Then wake up the lazy_guy */
45 MSG_process_sleep(5.0); /* Repeat two times: */
46 XBT_INFO("Suspend the lazy guy while he's sleeping...");
47 MSG_process_suspend(lazy); /* - Suspend the lazy_guy while he's asleep */
48 XBT_INFO("Let him finish his siesta.");
49 MSG_process_sleep(10.0); /* - Wait for 10 seconds */
50 XBT_INFO("Wake up, lazy guy!");
51 MSG_process_resume(lazy); /* - Then wake up the lazy_guy again */
53 MSG_process_sleep(5.0);
54 XBT_INFO("Suspend again the lazy guy while he's sleeping...");
55 MSG_process_suspend(lazy);
56 XBT_INFO("This time, don't let him finish his siesta.");
57 MSG_process_sleep(2.0);
58 XBT_INFO("Wake up, lazy guy!");
59 MSG_process_resume(lazy);
61 MSG_process_sleep(5.0);
62 XBT_INFO("Give a 2 seconds break to the lazy guy while he's working...");
63 MSG_process_suspend(lazy);
64 MSG_process_sleep(2.0);
65 XBT_INFO("Back to work, lazy guy!");
66 MSG_process_resume(lazy);
68 XBT_INFO("OK, I'm done here.");
72 int main(int argc, char* argv[])
74 MSG_init(&argc, argv);
75 xbt_assert(argc > 1, "Usage: %s platform_file\n\tExample: %s msg_platform.xml\n", argv[0], argv[0]);
77 MSG_create_environment(argv[1]); /* - Load the platform description */
78 MSG_function_register("dream_master", dream_master); /* - Create and deploy the dream_master */
79 xbt_dynar_t hosts = MSG_hosts_as_dynar();
80 MSG_process_create("dream_master", dream_master, NULL, xbt_dynar_getfirst_as(hosts, msg_host_t));
81 xbt_dynar_free(&hosts);
82 msg_error_t res = MSG_main(); /* - Run the simulation */