Hello,
Cyril Hrubis <chrubis@xxxxxxx> writes:
> Hi!
>> > - adds tst_iterate_fd() functionality
>> > - make use of tst_iterate_fd() in readahead01
>> > - add accept03 test which uses tst_iterate_fd()
>> >
>> > This is a prototype for how the functionality to iterate over different
>> > file descriptors should look like it converts one tests and adds
>> > another. There is plenty of other syscalls that can use this kind of
>> > testing, e.g. all fooat() syscalls where we can pass invalid dir_fd, the
>> > plan is to add these if/once we agree on the API.
>>
>> I imagine the results of using this with splice could be very interesting.
>
> Good idea, I guess that we need to figure out how to do carthesian
> multiplication on the different file descriptors though. Maybe we need
> to treat the tst_interate_fd() as an iterator so that we can advance to
> the next fd with each call, so that we can do:
>
> struct tst_fd fd_in = {}, fd_out = {};
>
> while (tst_iterate_fd(&fd_in)) {
> while (tst_iterate_fd(&fd_out)) {
> ...
> TST_TEST(splice(fd_in.fd, 0, fd_out.fd, 0, ...));
> ...
> }
> }
This looks promising. I think it would be good to try this sooner rather
than later.
--
Thank you,
Richard.
