[PATCH] Dynamic thread stack size
deischen at freebsd.org
Mon Jan 24 17:36:28 PST 2005
On Mon, 24 Jan 2005, Joe Marcus Clarke wrote:
> On Mon, 2005-01-24 at 19:41 -0500, Daniel Eischen wrote:
> > On Mon, 24 Jan 2005, Joe Marcus Clarke wrote:
> > > Ah, okay, I suspected that was the case for libc_r, but I wasn't sure if
> > > 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 would
> > 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?
Because I don't want anyone to have to rely on environment variables
to get things to work. There's already a POSIX way to set stacks
which should be used if you want to use something other than default.
That's what should be used, not an environment variable.
> > >
> > > INITIAL (32-bit): 2 MB
> > > INITIAL (64-bit) 4 MB
> > I think I was going to make the initial bigger than that (I forgot
> > what I chose).
> > > DEFAULT (32-bit): 1 MB
> > > DEFAULT (64-bit): 2 MB
> > Yes, I think that's what I was planning for other-than-initial threads.
> When do you plan to commit the changes?
As soon as I can.
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