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From: Joe Marcus Clarke <marcus@FreeBSD.org>
To: Daniel Eischen <deischen@FreeBSD.org>
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Subject: Re: [PATCH] Dynamic thread stack size
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On Mon, 2005-01-24 at 19:41 -0500, Daniel Eischen wrote:
> On Mon, 24 Jan 2005, Joe Marcus Clarke wrote:
>=20
> > Ah, okay, I suspected that was the case for libc_r, but I wasn't sure i=
f
> > the same thing held for all threading libraries.
> >
> > What about increasing the default stack sizes as you've said you wanted
> > to do, plus leaving in the environment variable to aid in transition
> > should the stack size have to be bumped again in the future?  This woul=
d
>=20
> I don't want an environment variable :-)

Why?  I've listed two good reasons for having some way of dynamically
tuning thread stacks.  What are the downsides?

>=20
> > also give us an easy way to test for stack overflows without instructin=
g
> > users to rebuild their threading library.
> >
> > Also, what were your planned stacksize increments?  I was hoping for
> > something along the lines of:
> >
> > INITIAL (32-bit): 2 MB
> > INITIAL (64-bit) 4 MB
>=20
> I think I was going to make the initial bigger than that (I forgot
> what I chose).
>=20
> > DEFAULT (32-bit): 1 MB
> > DEFAULT (64-bit): 2 MB
>=20
> Yes, I think that's what I was planning for other-than-initial threads.

When do you plan to commit the changes?

Joe

>=20
--=20
Joe Marcus Clarke
FreeBSD GNOME Team      ::      gnome@FreeBSD.org
FreeNode / #freebsd-gnome
http://www.FreeBSD.org/gnome

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