Hello Conrad,
Wednesday, September 5, 2018, 7:39:07 AM, you wrote:
> I believe the EWOULDBLOCK is just a boring leak of tsleep(9)'s timeout
> condition. This may be sufficient to fix the problem:
> --- a/sys/dev/random/randomdev.c
> +++ b/sys/dev/random/randomdev.c
> @@ -156,6 +156,10 @@ READ_RANDOM_UIO(struct uio *uio, bool nonblock)
> error = tsleep(&random_alg_context, PCATCH, "randseed",
> hz/10);
> if (error == ERESTART || error == EINTR)
> break;
> + /* Squash hz/10 timeout condition */
> + if (error == EWOULDBLOCK)
> + error = 0;
> + KASSERT(error == 0, ("unexpected %d", error));
> }
> if (error == 0) {
> read_rate_increment((uio->uio_resid +
> sizeof(uint32_t))/sizeof(uint32_t));
Fantastic! Thanks!
--
Best regards,
Lev mailto:l...@freebsd.org
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