-smx_synchro_t SIMIX_comm_isend(smx_process_t src_proc, smx_rdv_t rdv,
- double task_size, double rate,
- void *src_buff, size_t src_buff_size,
- int (*match_fun)(void *, void *, smx_synchro_t),
- void (*clean_fun)(void *), // used to free the synchro in case of problem after a detached send
- void (*copy_data_fun)(smx_synchro_t, void*, size_t),
- void *data,
- int detached);