Date: Sun, 21 Sep 2014 21:36:25 -0600 From: "Justin T. Gibbs" <gibbs@scsiguy.com> To: Konstantin Belousov <kostikbel@gmail.com> Cc: "Ivan A. Kosarev" <ivan@ivan-labs.com>, freebsd-current@freebsd.org, doc@freebsd.org Subject: Re: libthr and main thread stack size Message-ID: <F0A2DBD9-195E-4F4E-BA36-1F7644827111@scsiguy.com> In-Reply-To: <20140920170658.GE2210@kib.kiev.ua> References: <53E36E84.4060806@ivan-labs.com> <FEB60EB5-546D-454D-AE62-B2483246E42C@scsiguy.com> <20140916081324.GQ2737@kib.kiev.ua> <5242716.s4iaScq0Bu@ralph.baldwin.cx> <20140920170658.GE2210@kib.kiev.ua>
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[-- Attachment #1 --] On Sep 20, 2014, at 11:06 AM, Konstantin Belousov <kostikbel@gmail.com> wrote: > On Fri, Sep 19, 2014 at 03:27:25PM -0400, John Baldwin wrote: >> I suspect it was done out of reasons of being overly conservative in >> interpreting RLIMIT_STACK. I think it is quite surprising behavior >> though and would rather we make your option the default and implement >> what the Open Group says above. > > Ok, below is the patch. I felt bad about adding yet another magic and > undocumented tunable to our libthr. Since there seems to be no > alternative than a tunable to enforce old behaviour, I documented > the quirks I am aware of. Why do we need to support the old behavior? Any program that ran in the old model will run in the new. In the unlikely event that someone was using the old scheme for administrative control, there are other mechanisms for this already available that we can point them to instead. — Justin [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org iQEcBAEBAgAGBQJUH5k5AAoJED9n8CuvaSf4r3QH/imMeCsoVyLJQC4JO9vDum8B DEHcPN0A4j7eZaO9itzbGY9R7Ie9F+orBsFra+ucCBTwSvzpD5YXTsnaY+oS+rV3 a0iefizkVpRrC3GOe9g5cjtJ5bHIKl2Oi7pfxvXEQTOdjwniNHOXozG0CCWQPX52 iIoLJ4q98acKxb/qTm5fsy0Xyx6exmk1YOY6o9PKv6te6ane81BnmPS+wmdD98nH 7q4qME8Y379Ul1NIo1crkw7qVu6jZZHgiEaX/BDDdE/tvx2F6Ot+PsJ6d79ilM7z Wat1t6GCcZAbytNjqR9sgZX8cpY43jgXzjceBA6uGJd/wPRxUm/gZhIN5QGs80k= =o76e -----END PGP SIGNATURE-----
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