New signal: Activity::on_veto, to detect when an activity fails to start

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

diff --git a/include/simgrid/s4u/Exec.hpp b/include/simgrid/s4u/Exec.hpp
index 3aa1400..e6b18d0 100644 (file)
--- a/include/simgrid/s4u/Exec.hpp
+++ b/include/simgrid/s4u/Exec.hpp
@@ -46,7 +46,9 @@ public:
   Exec(Exec const&) = delete;
   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;
+  /*! Signal fired each time that an execution terminates (either normally, cancelled or failed) */
   static xbt::signal<void(Exec const&)> on_completion;
 
   static ExecPtr init();