public inbox for libc-alpha@sourceware.org
 help / color / mirror / Atom feed
From: Andreas Schwab <schwab@suse.de>
To: Florian Weimer <fweimer@redhat.com>
Cc: GNU C Library <libc-alpha@sourceware.org>
Subject: Re: [PATCH v3] getrandom system call wrapper [BZ #17252]
Date: Thu, 08 Sep 2016 13:01:00 -0000	[thread overview]
Message-ID: <mvmlgz2eeb7.fsf@hawking.suse.de> (raw)
In-Reply-To: <661db778-8110-82b2-2c41-d6195916cbea@redhat.com> (Florian Weimer's message of "Thu, 8 Sep 2016 13:44:10 +0200")

On Sep 08 2016, Florian Weimer <fweimer@redhat.com> wrote:

> I have retained the __getrandom symbol mangling.  The justification for
> that is that getrandom is a fairly common name.  Application code might
> use it for something else entirely and interpose their definition, so that
> libraries cannot rely on it doing the right thing.  I think the mangling
> is justified because it is hard to spot that getrandom is broken due to
> interposition.  As <sys/random.h> is a new header, the macro will be
> exposed to few applications.

It makes it impossible to take the address of the function, though.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

  parent reply	other threads:[~2016-09-08 13:01 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-08 11:44 Florian Weimer
2016-09-08 12:46 ` Florian Weimer
2016-09-09  1:54   ` Rical Jasan
2016-09-08 13:01 ` Andreas Schwab [this message]
2016-09-08 13:02   ` Florian Weimer
2016-09-08 13:19     ` Andreas Schwab
2016-09-08 13:26       ` Florian Weimer
2016-09-08 13:37         ` Andreas Schwab
2016-09-08 13:49           ` Florian Weimer
2016-09-08 13:54             ` Andreas Schwab
2016-09-08 14:02               ` Florian Weimer
2016-09-08 15:56                 ` Andreas Schwab
2016-09-08 14:19       ` Zack Weinberg
2016-09-08 14:31         ` Florian Weimer
2016-09-08 14:39           ` Zack Weinberg
2016-09-08 14:40             ` Florian Weimer
2016-09-08 15:10               ` Zack Weinberg
2016-09-08 18:28     ` Richard Henderson
2016-09-08 18:32       ` Florian Weimer
2016-09-08 18:35         ` Richard Henderson
2016-09-12 13:48           ` Florian Weimer
2016-10-07 23:00             ` Paul Eggert
2016-10-08 10:33               ` Florian Weimer
2016-10-08 10:49                 ` Andreas Schwab
2016-10-08 12:31                   ` Florian Weimer
2016-09-09 14:21 ` Torvald Riegel
2016-09-09 14:28   ` Florian Weimer
2016-09-09 14:41     ` Zack Weinberg
2016-09-09 15:14       ` Florian Weimer
2016-09-09 15:23     ` Torvald Riegel
2016-09-12  7:26       ` Florian Weimer
2016-09-12  9:40         ` Torvald Riegel
2016-09-12 11:52           ` Florian Weimer
2016-09-23  9:44         ` Torvald Riegel
2016-09-23 11:04           ` Florian Weimer
2016-10-12 15:58         ` Florian Weimer
2016-10-12 16:10           ` Zack Weinberg
2016-10-17 13:02             ` Florian Weimer
2016-10-17 13:07               ` Zack Weinberg
2016-10-17 12:54           ` Torvald Riegel
2016-10-17 13:01             ` Florian Weimer
2016-10-03 17:51   ` Carlos O'Donell
2016-10-04 12:02     ` Florian Weimer
2016-10-04 12:24       ` Adhemerval Zanella
2016-10-04 16:05     ` Torvald Riegel
2016-10-04 20:31       ` Zack Weinberg
2016-10-05  7:18         ` Florian Weimer
2016-10-05 12:42           ` Zack Weinberg

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=mvmlgz2eeb7.fsf@hawking.suse.de \
    --to=schwab@suse.de \
    --cc=fweimer@redhat.com \
    --cc=libc-alpha@sourceware.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).