-XBT_PUBLIC smx_activity_t simcall_execution_start(const char* name, double flops_amount, double priority, double bound,
- sg_host_t host);
-XBT_PUBLIC smx_activity_t simcall_execution_parallel_start(const char* name, int host_nb, sg_host_t* host_list,
+#ifdef __cplusplus
+XBT_PUBLIC smx_activity_t simcall_execution_start(std::string name, std::string category, double flops_amount,
+ double priority, double bound, sg_host_t host);
+XBT_PUBLIC smx_activity_t simcall_execution_parallel_start(std::string name, int host_nb, sg_host_t* host_list,