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Re: lib/53805: dlclose(3) does not interact correctly with atexit(3) callbacks
The following reply was made to PR lib/53805; it has been noted by GNATS.
From: Joerg Sonnenberger <joerg%bec.de@localhost>
Cc: lib-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
Subject: Re: lib/53805: dlclose(3) does not interact correctly with atexit(3)
Date: Thu, 20 Dec 2018 19:19:06 +0100
On Thu, Dec 20, 2018 at 06:10:01PM +0000, Kamil Rytarowski wrote:
> This is the common behavior of atexit(3) vs dlclose(3). Internally
> atexit(3) is registered together with its DSO pointer so we have all we
> need there.
It's not, that's the whole point. atexit(3) has no idea what DSO the
handler is in beyond doing address scans. Which is exactly atexit(3) is
the wrong interface here.
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