From: Rich Felker <dalias@libc.org>
To: musl@lists.openwall.com
Subject: Re: tcmalloc compatibility
Date: Wed, 18 Apr 2018 17:06:08 -0400 [thread overview]
Message-ID: <20180418210608.GJ3094@brightrain.aerifal.cx> (raw)
In-Reply-To: <87efjci6i7.fsf@mid.deneb.enyo.de>
On Wed, Apr 18, 2018 at 10:50:24PM +0200, Florian Weimer wrote:
> * Szabolcs Nagy:
>
> > even with the very small set of libc apis that a malloc
> > interposer may want to use, there known (but undocumented)
> > caveats:
> >
> > - glibc dlsym calls calloc (bites anybody who tries to wrap
> > calloc in the usual way)
>
> That's not what I meant with an interposed malloc. Any such partial
> interposition is going to be very tricky indeed.
I don't understand. By "partial interposition" do you mean partial in
the sense of "wrapping and calling the original via dlsym" or in the
sense of "replacing some but not all allocator functions"?
Rich
prev parent reply other threads:[~2018-04-18 21:06 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-10 10:22 Denis V. Razumovsky
2018-04-10 14:33 ` Rich Felker
2018-04-10 14:45 ` Bobby Powers
2018-04-10 15:35 ` Rich Felker
[not found] ` <878t9vlzh1.fsf@mid.deneb.enyo.de>
2018-04-10 18:39 ` Rich Felker
2018-04-10 20:33 ` Szabolcs Nagy
2018-04-10 20:44 ` Rich Felker
2018-04-10 21:17 ` Szabolcs Nagy
2018-04-15 11:52 ` ardi
2018-04-16 4:19 ` Markus Wichmann
2018-04-16 4:40 ` Rich Felker
2018-04-18 20:35 ` Rich Felker
2018-04-19 18:27 ` Szabolcs Nagy
2018-04-19 19:11 ` Rich Felker
2018-04-18 20:50 ` Florian Weimer
2018-04-18 21:06 ` Rich Felker [this message]
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