Date: Mon, 24 Jan 2005 14:37:14 -0500 From: Joe Marcus Clarke <marcus@FreeBSD.org> To: Daniel Eischen <deischen@FreeBSD.org> Cc: threads@FreeBSD.org Subject: Re: [PATCH] Dynamic thread stack size Message-ID: <1106595434.28710.29.camel@shumai.marcuscom.com> In-Reply-To: <Pine.GSO.4.43.0501241431090.18241-100000@sea.ntplx.net> References: <Pine.GSO.4.43.0501241431090.18241-100000@sea.ntplx.net>
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--=-drvOjHciAWI/GxRE++cY Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Mon, 2005-01-24 at 14:31 -0500, Daniel Eischen wrote: > On Mon, 24 Jan 2005, Joe Marcus Clarke wrote: >=20 > > On Sat, 2005-01-22 at 13:03 -0500, Daniel Eischen wrote: > > > On Fri, 21 Jan 2005, Joe Marcus Clarke wrote: > > > > > > > In a follow-up to the previous discussion on increasing our default > > > > thread stacksize, I thought I'd look at how some other BSD > > > > implementations do it. Mezz mentioned that he thought NetBSD had a= 2 MB > > > > default stacksize, so I took a look. > > > > > > > > What I found was that NetBSD doesn't have a static default stacksiz= e. > > > > Instead, they use the stacksize rlimit and a PTHREAD_STACKSIZE > > > > environment variable to get both the initial stacksize as well as e= ach > > > > thread's default stacksize. I thought this would be a really good = way > > > > of doing things, so I ported their work to FreeBSD. > > > > > > Please no. I don't want to have to set any more environment > > > variables or login defaults to get libpthread to work with > > > certain ports. > > > > No need. The default stacksize rlimit is more than enough (64 MB) to > > satisfy every one of the affected ports thus far. The environment >=20 > And 64MB is way too big for a default stack size... Okay, so lobby that it gets reduced in login.conf. Why should threads be given less stack than processes, especially the initial thread? Joe >=20 --=20 Joe Marcus Clarke FreeBSD GNOME Team :: gnome@FreeBSD.org FreeNode / #freebsd-gnome http://www.FreeBSD.org/gnome --=-drvOjHciAWI/GxRE++cY Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQBB9U5qb2iPiv4Uz4cRAqe6AJ4g18KlhmfnJOdop3euBIy66cKttwCfbglW HbbLLDIZJdmKE9WP+Ix6ICw= =lmiP -----END PGP SIGNATURE----- --=-drvOjHciAWI/GxRE++cY--
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