-void SIMIX_host_restart_processes(sg_host_t host);
-void SIMIX_host_autorestart(sg_host_t host);
-xbt_dict_t SIMIX_host_get_properties(sg_host_t host);
-int SIMIX_host_get_core(sg_host_t host);
-xbt_swag_t SIMIX_host_get_process_list(sg_host_t host);
-double SIMIX_host_get_speed(sg_host_t host);
-double SIMIX_host_get_available_speed(sg_host_t host);
-int SIMIX_host_get_state(sg_host_t host);
-double SIMIX_host_get_current_power_peak(sg_host_t host);
-double SIMIX_host_get_power_peak_at(sg_host_t host, int pstate_index);
-int SIMIX_host_get_nb_pstates(sg_host_t host);
-double SIMIX_host_get_consumed_energy(sg_host_t host);
-double SIMIX_host_get_wattmin_at(sg_host_t host,int pstate);
-double SIMIX_host_get_wattmax_at(sg_host_t host,int pstate);
-void SIMIX_host_set_pstate(sg_host_t host, int pstate_index);
-int SIMIX_host_get_pstate(sg_host_t host);
-smx_synchro_t SIMIX_process_execute(smx_process_t issuer, const char *name,
- double flops_amount, double priority, double bound, unsigned long affinity_mask);
-smx_synchro_t SIMIX_process_parallel_execute(const char *name,
- int host_nb, sg_host_t *host_list,
- double *flops_amount, double *bytes_amount,
- double amount, double rate);
-void SIMIX_process_execution_destroy(smx_synchro_t synchro);
-void SIMIX_process_execution_cancel(smx_synchro_t synchro);
-double SIMIX_process_execution_get_remains(smx_synchro_t synchro);
-e_smx_state_t SIMIX_process_execution_get_state(smx_synchro_t synchro);
-void SIMIX_process_execution_set_priority(smx_synchro_t synchro, double priority);
-void SIMIX_process_execution_set_bound(smx_synchro_t synchro, double bound);
-void SIMIX_process_execution_set_affinity(smx_synchro_t synchro, sg_host_t host, unsigned long mask);
-xbt_dynar_t SIMIX_host_get_attached_storage_list(sg_host_t host);
-
-void SIMIX_host_execution_suspend(smx_synchro_t synchro);
-void SIMIX_host_execution_resume(smx_synchro_t synchro);
-
-void SIMIX_post_host_execute(smx_synchro_t synchro);
-void SIMIX_set_category(smx_synchro_t synchro, const char *category);
+XBT_PRIVATE void SIMIX_host_autorestart(sg_host_t host);
+XBT_PRIVATE smx_activity_t SIMIX_execution_start(smx_actor_t issuer, const char *name,
+ double flops_amount, double priority, double bound);
+XBT_PRIVATE smx_activity_t SIMIX_execution_parallel_start(const char* name, int host_nb, sg_host_t* host_list,
+ double* flops_amount, double* bytes_amount, double amount,
+ double rate, double timeout);
+XBT_PRIVATE void SIMIX_execution_cancel(smx_activity_t synchro);
+XBT_PRIVATE void SIMIX_execution_set_priority(smx_activity_t synchro, double priority);
+XBT_PRIVATE void SIMIX_execution_set_bound(smx_activity_t synchro, double bound);