#include "simgrid/msg.h"
-XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example");
+XBT_LOG_NEW_DEFAULT_CATEGORY(msg_process_suspend, "Messages specific for this msg example");
-#define SLEEP(duration) \
- if (MSG_process_sleep(duration) != MSG_OK) \
- xbt_die("What's going on??? I failed to sleep!");
-
-/** @addtogroup MSG_examples
- *
- * - <b>suspend/suspend.c</b>: Demonstrates how to suspend and resume processes using
- * @ref MSG_process_suspend and @ref MSG_process_resume.
- */
-
-/** Lazy guy function. This process suspends itself asap. */
+/* The Lazy guy only wants to sleep, but can be awaken by the dream_master process. */
static int lazy_guy(int argc, char *argv[])
{
XBT_INFO("Nobody's watching me ? Let's go to sleep.");
- MSG_process_suspend(MSG_process_self());
+ MSG_process_suspend(MSG_process_self()); /* - Start by suspending itself */
XBT_INFO("Uuuh ? Did somebody call me ?");
- XBT_INFO("Going to sleep...");
- SLEEP(10.0);
+ XBT_INFO("Going to sleep..."); /* - Then repetitively go to sleep, but got awaken */
+ MSG_process_sleep(10.0);
XBT_INFO("Mmm... waking up.");
- XBT_INFO("Going to sleep one more time...");
- SLEEP(10.0);
+ XBT_INFO("Going to sleep one more time (for 10 sec)...");
+ MSG_process_sleep(10.0);
XBT_INFO("Waking up once for all!");
- XBT_INFO("Mmmh, goodbye now.");
+ XBT_INFO("Ok, let's do some work, then (for 10 sec on Boivin).");
+ msg_task_t task = MSG_task_create("easy work", 980.95e6, 0, NULL);
+ MSG_task_execute(task);
+ MSG_task_destroy(task);
+
+ XBT_INFO("Mmmh, I'm done now. Goodbye.");
return 0;
-} /* end_of_lazy_guy */
+}
-/** Dream master function. This process creates a lazy_guy process and resumes it 10 seconds later. */
+/* The Dream master: */
static int dream_master(int argc, char *argv[])
{
msg_process_t lazy = NULL;
- XBT_INFO("Let's create a lazy guy.");
+ XBT_INFO("Let's create a lazy guy."); /* - Create a lazy_guy process */
lazy = MSG_process_create("Lazy", lazy_guy, NULL, MSG_host_self());
XBT_INFO("Let's wait a little bit...");
- SLEEP(10.0);
+ MSG_process_sleep(10.0); /* - Wait for 10 seconds */
XBT_INFO("Let's wake the lazy guy up! >:) BOOOOOUUUHHH!!!!");
- MSG_process_resume(lazy);
+ MSG_process_resume(lazy); /* - Then wake up the lazy_guy */
- SLEEP(5.0);
+ MSG_process_sleep(5.0); /* Repeat two times: */
XBT_INFO("Suspend the lazy guy while he's sleeping...");
- MSG_process_suspend(lazy);
+ MSG_process_suspend(lazy); /* - Suspend the lazy_guy while he's asleep */
XBT_INFO("Let him finish his siesta.");
- SLEEP(10.0);
+ MSG_process_sleep(10.0); /* - Wait for 10 seconds */
XBT_INFO("Wake up, lazy guy!");
- MSG_process_resume(lazy);
+ MSG_process_resume(lazy); /* - Then wake up the lazy_guy again */
- SLEEP(5.0);
+ MSG_process_sleep(5.0);
XBT_INFO("Suspend again the lazy guy while he's sleeping...");
MSG_process_suspend(lazy);
XBT_INFO("This time, don't let him finish his siesta.");
- SLEEP(2.0);
+ MSG_process_sleep(2.0);
XBT_INFO("Wake up, lazy guy!");
MSG_process_resume(lazy);
- XBT_INFO("OK, goodbye now.");
+ MSG_process_sleep(5.0);
+ XBT_INFO("Give a 2 seconds break to the lazy guy while he's working...");
+ MSG_process_suspend(lazy);
+ MSG_process_sleep(2.0);
+ XBT_INFO("Back to work, lazy guy!");
+ MSG_process_resume(lazy);
+
+ XBT_INFO("OK, I'm done here.");
return 0;
-} /* end_of_dream_master */
+}
int main(int argc, char *argv[])
{
- msg_error_t res = MSG_OK;
-
MSG_init(&argc, argv);
xbt_assert(argc > 1, "Usage: %s platform_file\n\tExample: %s msg_platform.xml\n", argv[0], argv[0]);
- MSG_create_environment(argv[1]);
- MSG_function_register("dream_master", dream_master);
+ MSG_create_environment(argv[1]); /* - Load the platform description */
+ MSG_function_register("dream_master", dream_master); /* - Create and deploy the dream_master */
xbt_dynar_t hosts = MSG_hosts_as_dynar();
MSG_process_create("dream_master", dream_master, NULL, xbt_dynar_getfirst_as(hosts, msg_host_t));
xbt_dynar_free(&hosts);
- res = MSG_main();
+ msg_error_t res = MSG_main(); /* - Run the simulation */
- XBT_INFO("Simulation time %g", MSG_get_clock());
return res != MSG_OK;
}