--- /dev/null
+/* Copyright (c) 2006-2015. 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. */
+
+#include "xbt/log.h"
+#include "src/msg/msg_private.h"
+
+#include "simgrid/s4u/Activity.hpp"
+
+XBT_LOG_EXTERNAL_CATEGORY(s4u);
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_activity,s4u,"S4U activities");
+using namespace simgrid;
+
+s4u::Activity::Activity() {
+
+}
+s4u::Activity::~Activity() {
+
+}
+
+void s4u::Activity::setRemains(double remains) {
+ xbt_assert(state_ == inited, "Cannot change the remaining amount of work once the Activity is started");
+ remains_ = remains;
+}
+