Comment unused function parameters.

[simgrid.git] / src / plugins / vm / VmHostExt.cpp

diff --git a/src/plugins/vm/VmHostExt.cpp b/src/plugins/vm/VmHostExt.cpp
index a4fcf09..f85143a 100644 (file)
--- a/src/plugins/vm/VmHostExt.cpp
+++ b/src/plugins/vm/VmHostExt.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2013-2016. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2013-2018. 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. */
@@ -10,8 +10,12 @@ XBT_LOG_DEFAULT_CATEGORY(surf_vm);
 
 namespace simgrid {
 namespace vm {
-VmHostExt::~VmHostExt()
+simgrid::xbt::Extension<s4u::Host, VmHostExt> VmHostExt::EXTENSION_ID;
+
+void VmHostExt::ensureVmExtInstalled()
 {
+  if (not EXTENSION_ID.valid())
+    EXTENSION_ID = simgrid::s4u::Host::extension_create<VmHostExt>();
 }
 }
 }