Re: [PATCH -v4] random: introduce getrandom(2) system call

From: Theodore Ts'o
Date: Mon Jul 21 2014 - 18:25:08 EST


On Mon, Jul 21, 2014 at 10:21:26PM +0200, Till Smejkal wrote:
> Hi,
>
> On Fri, 18 Jul 2014, Theodore Ts'o wrote:
> [...]
> > If the GRND_RANDOM bit is not set, then the /dev/urandom pool
> > will be used. Unlike using read(2) to fetch data from
> > /dev/urandom, if the urandom pool has not been sufficiently
> > initialized, getrandom(2) will block or return -1 with the
> > errno set to EGAIN if the GRND_NONBLOCK bit is set in flags.
> ^^^^^
> Small typo: this should be EAGAIN.

Thanks for pointing this out! Will fix.

- Ted
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/