+/* Copyright (c) 2014-2015. 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. */
+
+#ifndef SIMGRID_XBT_SIGNAL_HPP
+#define SIMGRID_XBT_SIGNAL_HPP
+
+#ifdef SIMGRID_HAVE_LIBSIG
+#include <sigc++/sigc++.h>
+
+namespace simgrid {
+namespace xbt {
+ // Wraps sigc++ signals with the interface of boost::signals2:
+ template<class T> class signal;
+ template<class R, class... P>
+ class signal<R(P...)> {
+ private:
+ sigc::signal<R, P...> sig_;
+ public:
+ template<class U> XBT_ALWAYS_INLINE
+ void connect(U&& slot)
+ {
+ sig_.connect(std::forward<U>(slot));
+ }
+ template<class Res, class... Args> XBT_ALWAYS_INLINE
+ void connect(Res(*slot)(Args...))
+ {
+ sig_.connect(sigc::ptr_fun(slot));
+ }
+ template<class... Args> XBT_ALWAYS_INLINE
+ R operator()(Args&&... args) const
+ {
+ return sig_.emit(std::forward<Args>(args)...);
+ }
+ };
+}
+}
+
+#else
+
+#include <boost/signals2.hpp>
+namespace simgrid {
+namespace xbt {
+ template<class T>
+ using signal = ::boost::signals2::signal<T>;
+}
+}
+
+#endif
+
+#endif
