From: Roland McGrath <roland@redhat.com>
To: davidm@hpl.hp.com
Cc: drepper@redhat.com, libc-hacker@sources.redhat.com
Subject: Re: enabling caching for dl_iterate_phdr()
Date: Tue, 23 Dec 2003 22:24:00 -0000 [thread overview]
Message-ID: <200312232224.hBNMON0p029115@magilla.sf.frob.com> (raw)
In-Reply-To: David Mosberger's message of Tuesday, 16 December 2003 11:54:57 -0800 <200312161954.hBGJsvaC003146@napali.hpl.hp.com>
> Would it be possible to add two atomic counters, dl_load_additions and
> dl_load_removals, which would get incremented whenever something is a
> phdr is added to/removed from the list that is traversed by
> dl_iterate_phdr()?
What interface do you propose for exposing such counters?
We won't be adding any published interfaces using variables.
> Any opinions? I guess the alternative that was mentioned in the past
> was to use callbacks, but that seems very dangerous in regards to
> deadlock etc.
If your callback functions do nothing but increment atomic counters of your
own, then there is no problem.
next prev parent reply other threads:[~2003-12-23 22:24 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-16 19:55 David Mosberger
2003-12-23 22:24 ` Roland McGrath [this message]
[not found] <16387.9755.753294.37588@napali.hpl.hp.com>
2004-01-17 0:57 ` Roland McGrath
2004-01-17 1:39 ` Jakub Jelinek
2004-01-17 1:40 ` Roland McGrath
2004-01-17 1:51 ` David Mosberger
2004-01-22 0:35 ` David Mosberger
2004-01-22 8:39 ` Jakub Jelinek
2004-01-24 5:54 ` David Mosberger
2004-01-24 20:27 ` Ulrich Drepper
2004-01-26 21:48 ` David Mosberger
2004-01-26 22:39 ` Ulrich Drepper
2004-01-26 22:58 ` Roland McGrath
2004-01-26 23:03 ` David Mosberger
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