X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/4a18fb7c6c81b1f58a9f8111fcf0ade106c4746b..4ce83dbcd75d127f670498bd137f4216d7f646c9:/examples/msg/tracing/procmig.c

diff --git a/examples/msg/tracing/procmig.c b/examples/msg/tracing/procmig.c
index 846f59ff55..26a7eff2b8 100644
--- a/examples/msg/tracing/procmig.c
+++ b/examples/msg/tracing/procmig.c
@@ -1,8 +1,20 @@
-/* Copyright (c) 2009 The SimGrid team. All rights reserved.                */
+/* Copyright (c) 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. */
 
+/** @addtogroup MSG_examples
+ * 
+ * - <b>tracing/procmig.c</b> This program shows a process migration. Tracing
+ * this program with the options below enables a gantt-chart visualization
+ * of where the process has been during its execution. Migrations are represented by
+ * arrows from the origin to the destination host.
+ * You might want to run this program with the following parameters:
+ * --cfg=tracing:1
+ * --cfg=tracing/msg/process:1
+ * (See \ref tracing_tracing_options for details)
+ */
+
 #include "msg/msg.h"            /* core library */
 #include "xbt/sysdep.h"         /* calloc */
 
@@ -22,11 +34,11 @@ static int emigrant(int argc, char *argv[])
   while (1){ // I am an eternal emigrant
     MSG_task_receive(&(task), "master_mailbox");
     destination = (char*)MSG_task_get_data (task);
+    MSG_task_destroy (task);
     if (!destination) break; //there is no destination, die
-    XBT_INFO("Migrating to %s", destination);
     MSG_process_migrate(MSG_process_self(), MSG_get_host_by_name(destination));
     MSG_process_sleep(2); // I am tired, have to sleep for 2 seconds
-    MSG_task_destroy (task);
+    free (destination);
     task = NULL;
   }
   return 0;
@@ -56,7 +68,7 @@ static int master(int argc, char *argv[])
     if (destination){
       MSG_task_set_data(task, xbt_strdup (destination));
     }
-    TRACE_msg_set_task_category(task, "migration_order");
+    MSG_task_set_category(task, "migration_order");
     MSG_task_send (task, "master_mailbox");
     task = NULL;
   }
@@ -67,35 +79,25 @@ static int master(int argc, char *argv[])
 /** Main function */
 int main(int argc, char *argv[])
 {
-  MSG_error_t res = MSG_OK;
-
   /* Argument checking */
   MSG_global_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]);
+  char *platform_file = argv[1];
+  char *deployment_file = argv[2];
+  MSG_create_environment(platform_file);
 
   TRACE_category ("migration_order");
 
   /* Application deployment */
   MSG_function_register("emigrant", emigrant);
   MSG_function_register("master", master);
-  MSG_launch_application(argv[2]);
-
-  /* Run the simulation */
-  res = MSG_main();
-  XBT_INFO("Simulation time %g", MSG_get_clock());
-  if (res == MSG_OK)
-    res = MSG_clean();
+  MSG_launch_application(deployment_file);
 
-  if (res == MSG_OK)
-    return 0;
-  else
-    return 1;
+  MSG_main();
+  MSG_clean();
+  return 0;
 }                               /* end_of_main */