From: Pavel Machek <pavel@ucw.cz>
To: Ulrich Drepper <drepper@redhat.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: short read from /dev/urandom
Date: Wed, 19 Jan 2005 16:48:54 +0100 [thread overview]
Message-ID: <20050119154854.GD476@openzaurus.ucw.cz> (raw)
In-Reply-To: <41E833F4.8090800@redhat.com>
Hi!
> >What do you think? Does gcc -pg calls sigaction with SA_RESTART, to
> >avoid changing the behaviour of the programs that it is profiling?
>
> Profiling certainly uses SA_RESTART. But this was just one possible
> problem case.
>
> I'm concerned that there is isgnificant code out there relying on the
> no-short-read promise. And perhaps more importantly, other
> implementations promise the same.
Well, but such code will need to be fixed, anyway; pre-2.6.10 kernels
will stay here for quite a long time.
Pavel
--
64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms
next prev parent reply other threads:[~2005-01-20 20:03 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-14 4:54 short read from /dev/urandom Ulrich Drepper
2005-01-14 5:56 ` David Wagner
2005-01-14 6:54 ` Ulrich Drepper
2005-01-14 19:55 ` David Wagner
2005-01-14 19:10 ` Theodore Ts'o
2005-01-14 21:04 ` Ulrich Drepper
2005-01-14 23:21 ` Theodore Ts'o
2005-01-15 2:36 ` H. Peter Anvin
2005-01-16 2:51 ` Matt Mackall
2005-01-16 3:18 ` H. Peter Anvin
2005-01-15 2:34 ` H. Peter Anvin
2005-01-19 15:48 ` Pavel Machek [this message]
2005-01-16 2:44 ` Matt Mackall
2005-01-16 3:58 ` Ulrich Drepper
2005-01-16 4:58 ` Matt Mackall
2005-01-16 13:23 ` Andries Brouwer
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