XBT_PRIVATE smx_synchro_t SIMIX_process_suspend(smx_process_t process, smx_process_t issuer);
XBT_PRIVATE void SIMIX_process_resume(smx_process_t process, smx_process_t issuer);
XBT_PRIVATE int SIMIX_process_get_PID(smx_process_t self);
XBT_PRIVATE smx_synchro_t SIMIX_process_suspend(smx_process_t process, smx_process_t issuer);
XBT_PRIVATE void SIMIX_process_resume(smx_process_t process, smx_process_t issuer);
XBT_PRIVATE int SIMIX_process_get_PID(smx_process_t self);