Update copyright lines for 2022.

[simgrid.git] / include / simgrid / s4u / Exec.hpp

diff --git a/include/simgrid/s4u/Exec.hpp b/include/simgrid/s4u/Exec.hpp
index e030b5a..754b4bd 100644 (file)
--- a/include/simgrid/s4u/Exec.hpp
+++ b/include/simgrid/s4u/Exec.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2017-2021. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2017-2022. 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. */
@@ -40,7 +40,9 @@ class XBT_PUBLIC Exec : public Activity_T<Exec> {
 protected:
   explicit Exec(kernel::activity::ExecImplPtr pimpl);
 
-  void reset();
+  void reset() const;
+
+  static xbt::signal<void(Exec const&)> on_start;
 
 public:
 #ifndef DOXYGEN
@@ -48,7 +50,7 @@ public:
   Exec& operator=(Exec const&) = delete;
 #endif
   /*! Signal fired each time that an execution actually starts (no veto) */
-  static xbt::signal<void(Exec const&)> on_start;
+  static void on_start_cb(const std::function<void(Exec const&)>& cb) { on_start.connect(cb); }
 
   static ExecPtr init();
   Exec* start() override;