X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3510c8b5311a986d920eed407f5aebd36722a7a5..7eef625065d0b3af4a64b5665009491426db974f:/src/gras/Virtu/sg_emul.c

diff --git a/src/gras/Virtu/sg_emul.c b/src/gras/Virtu/sg_emul.c
index 785cedea9a..b6d371ffc7 100644
--- a/src/gras/Virtu/sg_emul.c
+++ b/src/gras/Virtu/sg_emul.c
@@ -1,8 +1,7 @@
-/* $Id$ */
-
 /* sg_emul - Emulation support (simulation)                                 */
 
-/* Copyright (c) 2003-5 Arnaud Legrand, Martin Quinson. All rights reserved.*/
+/* Copyright (c) 2005, 2006, 2007, 2009, 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. */
@@ -24,22 +23,24 @@ void gras_cpu_burn(double flops) {
   smx_cond_t cond;
   smx_mutex_t mutex;
 
-  cond = SIMIX_cond_init();
-  mutex = SIMIX_mutex_init();
+  if (flops>0) {
+    cond = SIMIX_cond_init();
+    mutex = SIMIX_mutex_init();
 
-  SIMIX_mutex_lock(mutex);
-  act =
-      SIMIX_action_execute(SIMIX_host_self(), "task", flops);
+    SIMIX_mutex_lock(mutex);
+    act =
+        SIMIX_action_execute(SIMIX_host_self(), "task", flops);
 
-  SIMIX_register_action_to_condition(act, cond);
-  SIMIX_cond_wait(cond, mutex);
-  SIMIX_unregister_action_to_condition(act, cond);
+    SIMIX_register_action_to_condition(act, cond);
+    SIMIX_cond_wait(cond, mutex);
+    SIMIX_unregister_action_to_condition(act, cond);
 
-  SIMIX_action_destroy(act);
-  SIMIX_mutex_unlock(mutex);
+    SIMIX_action_destroy(act);
+    SIMIX_mutex_unlock(mutex);
 
-  SIMIX_cond_destroy(cond);
-  SIMIX_mutex_destroy(mutex);
+    SIMIX_cond_destroy(cond);
+    SIMIX_mutex_destroy(mutex);
+  }
 }
 /*** Timing macros ***/
 static xbt_os_timer_t timer;