* @brief Callbacks handler which emit the callbacks after Storage creation *
* @details Callback functions have the following signature: `void(Storage*)`
*/
-XBT_PUBLIC_DATA(surf_callback(void, simgrid::surf::Storage*)) storageCreatedCallbacks;
+XBT_PUBLIC_DATA(simgrid::surf::signal<void(simgrid::surf::Storage*)>) storageCreatedCallbacks;
/** @ingroup SURF_callbacks
* @brief Callbacks handler which emit the callbacks after Storage destruction *
* @details Callback functions have the following signature: `void(StoragePtr)`
*/
-XBT_PUBLIC_DATA(surf_callback(void, simgrid::surf::Storage*)) storageDestructedCallbacks;
+XBT_PUBLIC_DATA(simgrid::surf::signal<void(simgrid::surf::Storage*)>) storageDestructedCallbacks;
/** @ingroup SURF_callbacks
* @brief Callbacks handler which emit the callbacks after Storage State changed *
* @details Callback functions have the following signature: `void(StorageAction *action, e_surf_resource_state_t old, e_surf_resource_state_t current)`
*/
-XBT_PUBLIC_DATA(surf_callback(void, simgrid::surf::Storage*, e_surf_resource_state_t, e_surf_resource_state_t)) storageStateChangedCallbacks;
+XBT_PUBLIC_DATA(simgrid::surf::signal<void(simgrid::surf::Storage*, e_surf_resource_state_t, e_surf_resource_state_t)>) storageStateChangedCallbacks;
/** @ingroup SURF_callbacks
* @brief Callbacks handler which emit the callbacks after StorageAction State changed *
* @details Callback functions have the following signature: `void(StorageAction *action, e_surf_action_state_t old, e_surf_action_state_t current)`
*/
-XBT_PUBLIC_DATA(surf_callback(void, simgrid::surf::StorageAction*, e_surf_action_state_t, e_surf_action_state_t)) storageActionStateChangedCallbacks;
+XBT_PUBLIC_DATA(simgrid::surf::signal<void(simgrid::surf::StorageAction*, e_surf_action_state_t, e_surf_action_state_t)>) storageActionStateChangedCallbacks;
/*********
* Model *