MPI_Query_thread(provide, ierror)
integer provided, ierror
　　返回支持线程的级别


MPI_Register_datarep(datarep, read_conversion_fn, write_conversion_fn, dtype_file_extent_fn, extra_state, ierror)
character*(*) datarep
external read_conversion_fn, write_conversion_fn, dtype_file_extent_fn
integer(kind=MPI_ADDRESS_KIND) extra_state
integer ierror
　　加入新的文件数据表示到MPI


MPI_Request_get_status(request, falg, status, ierror)
integer request, status(MPI_STATUS_SIZE), ierror
logical flag
　　测试非阻塞操作的完成情况，如完成不释放请求对象


MPI_Sizeof(x, size, ierror)
<type> x
integer size, ierror
　　返回变量的机器表示字节数


MPI_Status_set_cancelled(status, flag, ierror)
integer status(MPI_STATUS_SIZE), ierror
logical falg
　　设置MPI_Test_cancelled将要返回的值


MPI_Status_set_elements(status, datatype, count, ierror)
integer status(MPI_STATUS_SIZE), datatype, count, ierror
　　设置MPI_Get_elements将要返回的值