Hi!
> > Apart from that the logic looks fine. The test could be probably cleaned
> > by using checkpoints instead of pipe and the function used to propagate
> > exit value from child, but that is probably worth of separate patch.
>
> Checkpoint alone doesn't seem to be enough to tell difference between:
> - child has read one record and will continue reading
> - child read has reached eof and will now exit
>
> while parent does:
> do {
> ret = tst_checkpoint_wait()
> } while (ret == 0)
>
> I could map some shared memory for such flag, but I'm thinking if I can't just
> use tst_futexes to store such flag. In that case, it would likely be
> needed to handle EWOULDBLOCK in tst_checkpoint_wait and restart wait.
Or we can pass down to the child what is expected result, make it print
the PASS/FAIL and then just record the child status in the parent.
--
Cyril Hrubis
[email protected]
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