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Message-ID: <CAJgzZor=1b7YL=sfryF-TKgLbuFK5fjSW_QLx5rww3AHOdo=cA@mail.gmail.com>
Date: Mon, 11 Mar 2024 13:35:07 -0700
From: enh <enh@...gle.com>
To: Rich Felker <dalias@...c.org>
Cc: sjf5462@....edu, Florian Weimer <fweimer@...hat.com>, Andreas Schwab <schwab@...e.de>,
Alejandro Colomar <alx@...nel.org>, Thorsten Glaser <tg@...bsd.de>, musl@...ts.openwall.com,
NRK <nrk@...root.org>, Guillem Jover <guillem@...rons.org>, libc-alpha@...rceware.org,
libbsd@...ts.freedesktop.org, "Serge E. Hallyn" <serge@...lyn.com>,
Iker Pedrosa <ipedrosa@...hat.com>, Christian Brauner <christian@...uner.io>
Subject: Re: Re: Tweaking the program name for <err.h> functions
On Mon, Mar 11, 2024 at 12:44 PM Rich Felker <dalias@...c.org> wrote:
>
> On Mon, Mar 11, 2024 at 12:05:11PM -0700, enh wrote:
> > Android's libc actually does do this for everything except for
> > first-stage `init`, the one process that doesn't have a /dev/null
> > equivalent available yet:
> > https://android.googlesource.com/platform/bionic/+/master/libc/bionic/libc_init_common.cpp#358
>
> In the absence of /dev/null, you could probably call pipe() and close
> the unwanted end. This works with no fs available, and has the "bonus"
> that you'll get a nice SIGPIPE crash if you accidentally try to write
> anything to it.
(that's an interesting idea. i'll have to think about that...)
> Rich
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