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From: enh <enh@google.com>
To: Rich Felker <dalias@libc.org>
Cc: sjf5462@rit.edu, Florian Weimer <fweimer@redhat.com>,
	Andreas Schwab <schwab@suse.de>,
	 Alejandro Colomar <alx@kernel.org>,
	Thorsten Glaser <tg@mirbsd.de>,
	musl@lists.openwall.com,  NRK <nrk@disroot.org>,
	Guillem Jover <guillem@hadrons.org>,
	libc-alpha@sourceware.org,  libbsd@lists.freedesktop.org,
	"Serge E. Hallyn" <serge@hallyn.com>,
	 Iker Pedrosa <ipedrosa@redhat.com>,
	Christian Brauner <christian@brauner.io>
Subject: Re: [musl] Re: Tweaking the program name for <err.h> functions
Date: Mon, 11 Mar 2024 13:35:07 -0700	[thread overview]
Message-ID: <CAJgzZor=1b7YL=sfryF-TKgLbuFK5fjSW_QLx5rww3AHOdo=cA@mail.gmail.com> (raw)
In-Reply-To: <20240311194435.GX4163@brightrain.aerifal.cx>

On Mon, Mar 11, 2024 at 12:44 PM Rich Felker <dalias@libc.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

  reply	other threads:[~2024-03-11 20:35 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-07 22:24 Tweaking the program name for <err.h> functions Alejandro Colomar
2024-03-08  0:30 ` Guillem Jover
2024-03-08  0:47   ` enh
2024-03-08  0:52   ` Alejandro Colomar
2024-03-09 15:02     ` [musl] " Rich Felker
2024-03-09 15:49       ` Alejandro Colomar
2024-03-09 18:35         ` Andreas Schwab
2024-03-09 18:46           ` Alejandro Colomar
2024-03-09 19:18             ` [musl] " Markus Wichmann
2024-03-09 19:25             ` Rich Felker
2024-03-09 21:44         ` Thorsten Glaser
2024-03-10  6:01         ` NRK
2024-03-10 13:17           ` Alejandro Colomar
2024-03-10 14:01             ` NRK
2024-03-10 19:39               ` Rich Felker
2024-03-10 22:25                 ` Alejandro Colomar
2024-03-10 23:22                 ` Thorsten Glaser
2024-03-10 23:44                   ` Rich Felker
2024-03-11  0:19                     ` Thorsten Glaser
2024-03-11  0:46                       ` Alejandro Colomar
2024-03-11 14:46                         ` Skyler Ferrante (RIT Student)
2024-03-11 15:09                           ` Andreas Schwab
2024-03-11 15:30                             ` Skyler Ferrante (RIT Student)
2024-03-11 18:23                               ` Florian Weimer
2024-03-11 18:48                                 ` Skyler Ferrante (RIT Student)
2024-03-11 19:05                                   ` enh
2024-03-11 19:44                                     ` Rich Felker
2024-03-11 20:35                                       ` enh [this message]
2024-03-11 19:47                               ` Rich Felker
2024-03-11 20:08                                 ` Skyler Ferrante (RIT Student)
2024-03-11 20:39                                   ` enh
2024-03-11 21:21                                 ` Laurent Bercot
2024-03-11 22:05                                 ` Thorsten Glaser
2024-03-12  0:18                                 ` Gabriel Ravier
2024-03-12  0:43                                   ` Rich Felker
2024-03-12  3:23                                     ` Gabriel Ravier
2024-03-12 14:44                                       ` Rich Felker
2024-03-12 13:54                                   ` Florian Weimer
2024-03-12 14:21                                     ` Zack Weinberg
2024-03-12 14:31                                       ` Florian Weimer
2024-03-12 14:42                                         ` Rich Felker
2024-03-12 19:25                                           ` Zack Weinberg
2024-03-12 21:19                                             ` Rich Felker
2024-03-13  8:28                                             ` Florian Weimer

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