From: Theodore Ts'o <tytso-3s7WtUTddSA@public.gmane.org>
To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-crypto-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
beck-7YlrpqBBQ3VAfugRpC6u6w@public.gmane.org,
deraadt-VON6Tr2NNtkmbxgs1yVkuA@public.gmane.org
Subject: Re: [PATCH -v4] random: introduce getrandom(2) system call
Date: Mon, 21 Jul 2014 18:23:22 -0400 [thread overview]
Message-ID: <20140721222322.GC24960@thunk.org> (raw)
In-Reply-To: <20140721202125.GF1158@osiris>
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
WARNING: multiple messages have this Message-ID (diff)
From: "Theodore Ts'o" <tytso@mit.edu>
To: linux-kernel@vger.kernel.org, linux-api@vger.kernel.org,
linux-crypto@vger.kernel.org, beck@openbsd.org,
deraadt@cvs.openbsd.org
Subject: Re: [PATCH -v4] random: introduce getrandom(2) system call
Date: Mon, 21 Jul 2014 18:23:22 -0400 [thread overview]
Message-ID: <20140721222322.GC24960@thunk.org> (raw)
In-Reply-To: <20140721202125.GF1158@osiris>
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
next prev parent reply other threads:[~2014-07-21 22:23 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-18 21:15 [PATCH -v4] random: introduce getrandom(2) system call Theodore Ts'o
[not found] ` <1405718127-30042-1-git-send-email-tytso-3s7WtUTddSA@public.gmane.org>
2014-07-21 20:21 ` Till Smejkal
2014-07-21 20:21 ` Till Smejkal
2014-07-21 22:23 ` Theodore Ts'o [this message]
2014-07-21 22:23 ` Theodore Ts'o
2014-07-22 14:36 ` Rolf Eike Beer
2014-07-30 12:26 ` Pavel Machek
2014-07-30 13:56 ` Bob Beck
2014-07-30 14:40 ` Bernd Petrovitsch
2014-07-30 22:18 ` Pavel Machek
2014-07-31 8:06 ` Bernd Petrovitsch
2014-08-03 11:38 ` Pavel Machek
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