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Re: setrlimit(RLIMIT_NETWORK) vs. prctl(???)

From:  Ulrich Drepper <>
To:  Michael Stone <>
Subject:  Re: setrlimit(RLIMIT_NETWORK) vs. prctl(???)
Date:  Sat, 12 Dec 2009 21:20:13 -0800
Cc:,,, Andi Kleen <>, David Lang <>, Oliver Hartkopp <>, Alan Cox <>, Herbert Xu <>, Valdis Kletnieks <>, Bryan Donlan <>, Rémi Denis-Courmont <>, Evgeniy Polyakov <>, "C. Scott Ananian" <>, James Morris <>, "Eric W. Biederman" <>, Bernie Innocenti <>, Mark Seaborn <>
Archive-link:  Article, Thread

On Sat, Dec 12, 2009 at 21:09, Michael Stone <> wrote:
>> That being said, I'm not wedded to the decision. Could you give me some
>> more
>> specific examples of the kinds of changes in low-level userspace code that
>> you're worried about?

It was an accident that I sent the email privately.

As summarized in the paraphrased comment, it's a pain to deal with
rlimit extensions.  It's easy enough to do all this using prctl() with
the same semantics and without forcing any other code to be modified.
I let others more competent to judge the usefulness.  But using rlimit
as the interface is just plain wrong.
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