mailing list of musl libc
 help / color / mirror / code / Atom feed
From: Rob Landley <rob@landley.net>
To: musl@lists.openwall.com
Cc: musl@lists.openwall.com
Subject: Re: static linking and dlopen
Date: Sun, 09 Dec 2012 14:02:35 -0600	[thread overview]
Message-ID: <1355083355.9353.1@driftwood> (raw)
In-Reply-To: <20121208204709.GD23126@port70.net> (from nsz@port70.net on Sat Dec  8 14:47:09 2012)

On 12/08/2012 02:47:09 PM, Szabolcs Nagy wrote:
> * Paul Schutte <sjpschutte@gmail.com> [2012-12-08 20:09:35 +0200]:
> > When I link a binary statically and that binary then use dlopen,  
> would that
> > work 100% ?
> 
> not required to work
> 
> and musl does not implement it (always returns 0)
> 
> > What would open if the shared object that was dlopened want's to  
> call
> > functions in other shared libraries ?
> 
> see the first paragraph in the description of dlopen:
> 
> http://pubs.opengroup.org/onlinepubs/9699919799/functions/dlopen.html

Please add this to the FAQ, or whatever "how shared libraries work"  
documentation you wind up doing. There were also earlier discussions of  
the horrors of dlclose that should be noted somewhere.

(Unless this is a "belling the cat" situation where suggesting it makes  
it my responsibility, but I don't actually know this stuff...)

Rob

  reply	other threads:[~2012-12-09 20:02 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-08 18:09 Paul Schutte
2012-12-08 20:47 ` Szabolcs Nagy
2012-12-09 20:02   ` Rob Landley [this message]
2012-12-08 22:52 ` Rich Felker
2012-12-08 23:17   ` Charlie Kester
2012-12-08 23:23     ` Rich Felker
2012-12-09  0:04       ` Paul Schutte
2012-12-09  0:16         ` Rich Felker
2012-12-09 15:24           ` Paul Schutte
2012-12-09 17:54             ` Rich Felker
2012-12-09 19:07               ` Szabolcs Nagy
2012-12-09 19:24                 ` Rich Felker
2012-12-09  2:39         ` Szabolcs Nagy
2012-12-09  6:36     ` croco
2012-12-09  7:25       ` Isaac Dunham
2012-12-09  8:10         ` Charlie Kester
2012-12-09 10:08         ` croco
2012-12-09 11:46           ` Szabolcs Nagy
2012-12-09 15:11             ` Rich Felker
2012-12-09 20:43           ` Rob Landley
2012-12-08 23:29   ` Paul Schutte
2012-12-09  2:55   ` Szabolcs Nagy
2012-12-09  3:10     ` Rich Felker
2012-12-09  7:30     ` Isaac Dunham
2012-12-09 20:09   ` Rob Landley
2012-12-09 21:53     ` Rich Felker

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=1355083355.9353.1@driftwood \
    --to=rob@landley.net \
    --cc=musl@lists.openwall.com \
    /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.
Code repositories for project(s) associated with this public inbox

	https://git.vuxu.org/mirror/musl/

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 NNTP newsgroup(s).