X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9b73466ada27682d1729f394549479da83ef4a99..c054968af1d1cee9e7fc296d6b7f84cbb99b10ac:/examples/simdag/sd_comm_throttling.c

diff --git a/examples/simdag/sd_comm_throttling.c b/examples/simdag/sd_comm_throttling.c
index 1364f6e73a..260ef34874 100644
--- a/examples/simdag/sd_comm_throttling.c
+++ b/examples/simdag/sd_comm_throttling.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2006-2010, 2012-2013. The SimGrid Team.
+/* Copyright (c) 2006-2010, 2012-2015. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -6,7 +6,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include "simdag/simdag.h"
+#include "simgrid/simdag.h"
 #include "xbt/ex.h"
 #include "xbt/log.h"
 
@@ -26,11 +26,8 @@ int main(int argc, char **argv)
 
   /*  xbt_log_control_set("sd.thres=debug"); */
 
-  if (argc < 2) {
-    XBT_INFO("Usage: %s platform_file", argv[0]);
-    XBT_INFO("example: %s sd_platform.xml", argv[0]);
-    exit(1);
-  }
+  xbt_assert(argc > 1, "Usage: %s platform_file\n"
+	     "\nExample: %s two_clusters.xml", argv[0], argv[0]);
 
   /* creation of the environment */
   platform_file = argv[1];
@@ -74,12 +71,12 @@ int main(int argc, char **argv)
     /* let throttle the communication for taskD if its parent is SD_DONE */
     /* the bandwidth is 1.25e8, the data size is 1e7, and we want to throttle
      * the bandwidth by a factor 2. the rate is then 1.25e8/(2*1e7)=6.25
+     * Changing the rate is possible before the task execution starts (in SD_RUNNING
+     * state).
      */
-    if (SD_task_get_state(taskC) == SD_DONE)
+    if (SD_task_get_state(taskC) == SD_DONE && SD_task_get_state(taskD) < SD_RUNNING)
       SD_task_set_rate(taskD, 6.25);
-    xbt_dynar_free_container(&changed_tasks);
   }
-  xbt_dynar_free_container(&changed_tasks);
 
   XBT_DEBUG("Destroying tasks...");