Use a reference as parameter for signal callbacks.

[simgrid.git] / src / surf / cpu_interface.hpp

diff --git a/src/surf/cpu_interface.hpp b/src/surf/cpu_interface.hpp
index 27aa3c9..16ecdfd 100644 (file)
--- a/src/surf/cpu_interface.hpp
+++ b/src/surf/cpu_interface.hpp
@@ -166,9 +166,10 @@ protected:
 class XBT_PUBLIC CpuAction : public simgrid::kernel::resource::Action {
 public:
   /** @brief Signal emitted when the action state changes (ready/running/done, etc)
-   *  Signature: `void(CpuAction *action, simgrid::kernel::resource::Action::State previous)`
+   *  Signature: `void(CpuAction const& action, simgrid::kernel::resource::Action::State previous)`
    */
-  static simgrid::xbt::signal<void(simgrid::surf::CpuAction*, simgrid::kernel::resource::Action::State)> on_state_change;
+  static simgrid::xbt::signal<void(simgrid::surf::CpuAction const&, simgrid::kernel::resource::Action::State)>
+      on_state_change;
 
   CpuAction(simgrid::kernel::resource::Model * model, double cost, bool failed) : Action(model, cost, failed) {}
   CpuAction(simgrid::kernel::resource::Model * model, double cost, bool failed, kernel::lmm::Variable* var)